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Patent #:
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Issue Dt:
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12/02/1986
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Application #:
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06460658
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Filing Dt:
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01/24/1983
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Title:
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THIN FILM MAGNETIC HEAD
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Patent #:
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Issue Dt:
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01/13/1987
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Application #:
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06463656
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Filing Dt:
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02/03/1983
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Title:
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THIN FILM MAGNETIC HEAD HAVING MAGNETIC LAYERS OF DIFFERENT THICKNESS AND MANUFACTURING METHOD THEREFOR
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Patent #:
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Issue Dt:
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11/04/1986
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Application #:
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06513422
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Filing Dt:
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07/13/1983
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Title:
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PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MANUFACTURING METHOD THEREOF
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Patent #:
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Issue Dt:
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10/29/1985
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Application #:
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06559083
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Filing Dt:
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12/07/1983
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Title:
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THIN-FILM MAGNETIC HEAD AND METHOD FOR FABRICATING THE SAME
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Patent #:
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Issue Dt:
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06/03/1986
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Application #:
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06639012
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Filing Dt:
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08/09/1984
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Title:
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METHOD OF PATTERNING THIN FILM
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Patent #:
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Issue Dt:
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11/18/1986
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Application #:
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06658161
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Filing Dt:
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10/05/1984
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Title:
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THIN FILM OF NI-CO-FE TERNARY ALLOY AND PROCESS FOR PRODUCING THE SAME
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Patent #:
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Issue Dt:
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02/17/1987
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Application #:
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06685118
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Filing Dt:
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12/21/1984
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Title:
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EQUALIZER USED FOR MAGNETIC STORAGE DEVICE
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Patent #:
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Issue Dt:
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11/17/1987
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Application #:
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06721715
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Filing Dt:
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04/10/1985
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Title:
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PERPENDICULAR MAGNETIC RECORDING MEDIUM
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Patent #:
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Issue Dt:
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01/31/1989
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Application #:
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06828349
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Filing Dt:
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02/11/1986
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Title:
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A MAGNETO-RESISTIVE HEAD FOR PROTECTING AGAINST OUTPUT SPIKE NOISES
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Patent #:
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Issue Dt:
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02/07/1989
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Application #:
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07040126
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Filing Dt:
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04/20/1987
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Title:
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RECORDING/REPRODUCING METHOD AND APPARATUS OF A MAGNETIC DISK UNIT IN WHICH PLAYBACK COMMENCES BEFORE THE MAGNETIC HEAD IS COMPLETELY CENTERED ON THE TRACK
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Patent #:
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Issue Dt:
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06/20/1989
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Application #:
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07056661
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Filing Dt:
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06/02/1987
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Title:
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MAGNETIC RECORDING MEDIUM
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Patent #:
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Issue Dt:
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04/02/1991
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Application #:
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07240196
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Filing Dt:
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09/06/1988
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Title:
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METHOD AND APPARATUS FOR WAVEFORM EQUALIZATION
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Patent #:
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Issue Dt:
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02/20/1990
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Application #:
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07271381
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Filing Dt:
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11/14/1988
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Title:
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METHOD FOR CONTROLLING DATA TRANSFER
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Patent #:
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Issue Dt:
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10/16/1990
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Application #:
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07279045
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Filing Dt:
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12/02/1988
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Title:
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WIRE WITH COATING FOR ULTRASONIC BONDING
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Patent #:
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Issue Dt:
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04/08/1997
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Application #:
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07295777
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Filing Dt:
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01/11/1989
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Title:
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THIN FILM MAGNETIC HEAD HAVING MAGNETIC LAYERS FOR PREVENTING MAGNETIC SATURATION AND MANUFACTURING METHOD THEREFOR
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Patent #:
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Issue Dt:
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01/05/1993
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Application #:
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07503909
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Filing Dt:
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04/04/1990
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Title:
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DUAL-ACTUATOR TRANSDUCER POSITION CONTROL APPARATUS FOR SEEKING AND FOLLOWING TRACK ON ROTARY DISK
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Patent #:
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Issue Dt:
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10/27/1992
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Application #:
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07531336
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Filing Dt:
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05/31/1990
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Title:
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PHASE AND PERIOD SYNCHRONIZATION FOR A SLAVE DISK DRIVE
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Patent #:
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Issue Dt:
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04/14/1992
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Application #:
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07540187
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Filing Dt:
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06/19/1990
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Title:
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MAGNETIC RECORDING MEDIUM WHICH INCLUDES A PROTECTIVE LAYER, AN ADHESION SRRENGTHENING SUBSTANCE AND A LUBRICANT LAYER
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Patent #:
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Issue Dt:
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08/31/1993
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Application #:
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07541724
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Filing Dt:
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06/21/1990
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Title:
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SERVO INFORMATION RECORDING METHOD FOR A STORAGE APPARATUS
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Patent #:
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Issue Dt:
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08/31/1993
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Application #:
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07541724
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Filing Dt:
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06/21/1990
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Title:
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SERVO INFORMATION RECORDING METHOD FOR A STORAGE APPARATUS
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Patent #:
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Issue Dt:
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07/29/1997
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Application #:
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07591935
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Filing Dt:
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10/02/1990
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Title:
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PLASMA PROCESSING METHOD AND APPARATUS
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Patent #:
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Issue Dt:
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08/16/1994
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Application #:
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07724716
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Filing Dt:
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07/02/1991
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Title:
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ROTARY TYPE STORAGE APPARATUS AND CONTROL METHOD THEREOF
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Patent #:
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Issue Dt:
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04/07/1998
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Application #:
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07740708
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Filing Dt:
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08/06/1991
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Title:
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MAGNETIC RECORDING MEDIUM HAVING AT LEAST TWO MAGNETIC LAYERS WITH EASY AXES ORIENTED IN THE SAME DIRECTION
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Patent #:
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Issue Dt:
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02/08/1994
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Application #:
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07905103
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Filing Dt:
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06/26/1992
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Title:
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METHOD OF AVOIDING MEDIUM DEFECTS IN RECORD/REPRODUCE APPARATUS
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Patent #:
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Issue Dt:
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07/04/1995
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Application #:
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07996383
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Filing Dt:
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12/23/1992
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Title:
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METHOD AND APPARATUS FOR OPTIMIZING THE RECORDING AND REPRODUCING OF INFORMATION FROM MAGNETIC DISKS
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Patent #:
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Issue Dt:
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10/01/1996
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Application #:
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08026770
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Filing Dt:
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03/05/1993
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Title:
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METHOD OF FINE GRAIN MILLING AND MACHINE THEREFOR
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Patent #:
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Issue Dt:
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09/27/1994
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Application #:
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08069586
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Filing Dt:
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06/01/1993
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Title:
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METHOD OF FABRICATING THIN-FILM MAGNETIC HEAD
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Patent #:
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Issue Dt:
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07/16/1996
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Application #:
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08207609
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Filing Dt:
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03/09/1994
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Title:
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MAGNETIC RECORDING MEDIUM AND FABRICATION METHOD THEREFOR
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Patent #:
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Issue Dt:
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09/17/1996
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Application #:
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08253551
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Filing Dt:
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06/03/1994
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Title:
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AD CONVERTER AND MAGNETIC RECORDING/REGENERATING APPARATUS USING THE SAME
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Patent #:
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Issue Dt:
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10/17/1995
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Application #:
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08286250
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Filing Dt:
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08/08/1994
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Title:
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DIAGNOSTIC SYSTEM OF MAGNETIC RECORDING CHANNEL AND MAGNETIC DISK DRIVE APPARATUS
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Patent #:
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Issue Dt:
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09/16/1997
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Application #:
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08351562
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Filing Dt:
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12/07/1994
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Title:
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MAGNETIC DISC APPARATUS
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Patent #:
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Issue Dt:
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08/22/2000
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Application #:
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08456779
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Filing Dt:
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06/01/1995
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Title:
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CERAMIC/METALLIC ARTICULATION COMPONENT AND PROSTHESIS
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Patent #:
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Issue Dt:
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08/12/1997
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Application #:
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08471460
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Filing Dt:
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06/06/1995
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Title:
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METHOD AND APPARATUS FOR OPTIMIZING THE RECORDING AND REPRODUCING OF INFORMATION FROM MAGNETIC DISKS
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Patent #:
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Issue Dt:
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04/14/1998
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Application #:
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08524254
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Filing Dt:
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09/06/1995
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Title:
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AUTOMATIC ASSEMBLING SYSTEM
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Patent #:
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Issue Dt:
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01/30/2001
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Application #:
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08533450
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Filing Dt:
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09/25/1995
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Title:
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MAGNETIC DISK APPARATUS WITH SLIDER AND SLIDER SUPPORTING MECHANISM INCLUDING FLEXIBLE SECTION INTEGRALLY FORMED FROM SAME MATERIAL
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Patent #:
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Issue Dt:
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09/08/1998
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Application #:
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08536264
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Filing Dt:
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09/29/1995
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Title:
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PHASE LOCK LOOP SYSTEM INCLUDING A PRIMARY PHASE LOCK LOOP APPARATUS AND A HIGH PHASELOCK LOOP APPARATUS
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Patent #:
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Issue Dt:
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10/13/1998
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Application #:
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08554809
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Filing Dt:
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11/07/1995
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Title:
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MAGNETIC DISK, AND MAGNETIC DISK APPARATUS
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Patent #:
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Issue Dt:
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09/07/1999
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Application #:
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08561256
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Filing Dt:
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11/21/1995
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Title:
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METHOD OF FINE GRAIN MILLING AND MACHINE THEREFOR
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Patent #:
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Issue Dt:
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02/04/1997
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Application #:
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08632355
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Filing Dt:
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04/10/1996
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Title:
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METHOD OF FABRICATING A MAGNETIC RECORDING MEDIUM
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Patent #:
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Issue Dt:
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05/11/1999
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Application #:
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08696801
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Filing Dt:
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08/14/1996
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Title:
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HARD DISK DRIVE AND HARD DISK APPARATUS HAVING BUS AND ITS INSTALLING METHOD
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Patent #:
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Issue Dt:
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09/15/1998
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Application #:
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08708954
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Filing Dt:
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09/06/1996
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Title:
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TRACKING METHOD AND RECORDING MEANS THEREBY
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Patent #:
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Issue Dt:
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03/23/1999
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Application #:
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08710515
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Filing Dt:
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09/18/1996
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Title:
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BEARING DEVICE AND SPINDLE MOTOR PROVIDED WITH THE BEARING DEVICE
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Patent #:
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Issue Dt:
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04/28/1998
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Application #:
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08712558
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Filing Dt:
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09/13/1996
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Title:
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AD CONVERTER AND MAGNETIC RECORDING/REGENERATING APPARATUS USING THEREOF
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Patent #:
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Issue Dt:
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11/11/1997
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Application #:
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08729381
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Filing Dt:
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10/17/1996
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Title:
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METHOD OF FABRICATING A MAGNETIC RECORDING MEDIUM
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Patent #:
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Issue Dt:
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08/28/2001
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Application #:
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08825128
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Filing Dt:
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03/27/1997
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Title:
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RECORDING APPARATUS
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Patent #:
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Issue Dt:
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12/22/1998
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Application #:
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08832330
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Filing Dt:
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03/26/1997
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Title:
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MAGNETIC RECORDING MEDIA AND MAGNETIC RECORDING READ-BACK SYSTEM WHICH USES SUCH MEDIA
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Patent #:
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Issue Dt:
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10/31/2000
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Application #:
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08969482
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Filing Dt:
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11/13/1997
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Title:
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COMPENSATING CIRCUIT, EQUALIZER AND MAGNETIC RECORDING/REPRODUCING APPARATUS USING THE SAME
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Patent #:
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Issue Dt:
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08/18/1998
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Application #:
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08976505
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Filing Dt:
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11/24/1997
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Title:
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INFORMATION RECORDING APPARATUS
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Patent #:
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Issue Dt:
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11/19/2002
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Application #:
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08992083
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Filing Dt:
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12/17/1997
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Title:
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SMALL MEMORY UNIT WITH A HARD DISK
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Patent #:
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Issue Dt:
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10/29/2002
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Application #:
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09025235
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Filing Dt:
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02/18/1998
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Publication #:
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Pub Dt:
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08/23/2001
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Title:
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INFORMATION STORAGE DEVICE HAVING TRANSDUCERS OPERATING IN A PULSE MODE IN SYNCHRONISM WITH A TIMING CLOCK
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Patent #:
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Issue Dt:
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10/02/2001
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Application #:
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09051711
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Filing Dt:
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04/17/1998
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Title:
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MAGNETIC DISK AND MAGNETIC RECORDING/REPRODUCTION APPARATUS
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Patent #:
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Issue Dt:
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10/22/2002
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Application #:
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09065868
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Filing Dt:
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04/24/1998
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Title:
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MAGNETIC HEAD AND MAGNETIC STORAGE APPARATUS USING THE SAME
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Patent #:
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Issue Dt:
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10/30/2001
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Application #:
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09225972
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Filing Dt:
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01/05/1999
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Title:
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MAGNETIC DISK APPARATUS
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Patent #:
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Issue Dt:
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03/28/2000
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Application #:
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09252811
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Filing Dt:
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02/19/1999
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Title:
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HARD DISK DRIVE AND HARD DISK APPARATUS HAVING BUS AND ITS INSTALLING METHOD
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Patent #:
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Issue Dt:
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02/06/2001
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Application #:
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09285751
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Filing Dt:
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04/05/1999
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Title:
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PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS USING THE SAME
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Patent #:
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Issue Dt:
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02/11/2003
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Application #:
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09314955
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Filing Dt:
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05/20/1999
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Title:
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SIGNAL PROCESSING APPARATUS AND A DATA RECORDING AND REPRODUCING APPARATUS INCLUDING LOCAL MEMORY PROCESSOR
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Patent #:
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Issue Dt:
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10/31/2000
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Application #:
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09333005
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Filing Dt:
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06/15/1999
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Title:
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MAGNETORESISTIVE EFFECT HEAD
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Patent #:
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Issue Dt:
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09/30/2003
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Application #:
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09365838
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Filing Dt:
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08/03/1999
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Publication #:
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Pub Dt:
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09/26/2002
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Title:
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MAGNETIC HEAD SLIDER HAVING OPTIMIZED RATIO OF NEGATIVE PRESSURE RECESS
TO FRONT STEP BEARING
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Patent #:
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Issue Dt:
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06/11/2002
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Application #:
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09379462
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Filing Dt:
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08/24/1999
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Publication #:
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Pub Dt:
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07/26/2001
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Title:
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MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS USING THE SAME
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Patent #:
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Issue Dt:
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05/07/2002
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Application #:
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09413813
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Filing Dt:
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10/07/1999
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Title:
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MAGNETIC RECORDING MEDIUM
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Patent #:
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Issue Dt:
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07/09/2002
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Application #:
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09467729
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Filing Dt:
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12/20/1999
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Title:
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MAGNETIC HEAD WITH BIAS FIELD APPLIED TO TUNNELING MAGNETO-RESISTIVE ELEMENT BY SECOND VOLTAGE SUPPLIER
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Patent #:
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Issue Dt:
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08/21/2001
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Application #:
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09469180
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Filing Dt:
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12/21/1999
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Title:
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MAGNETIC HEAD AND MAGNETIC HEAD MANUFACTURING METHOD
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Patent #:
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Issue Dt:
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04/02/2002
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Application #:
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09487172
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Filing Dt:
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01/19/2000
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Title:
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MAGNETIC RECORDING MEDIA AND MAGNETIC STORAGE DEVICE
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Patent #:
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Issue Dt:
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10/30/2001
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Application #:
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09503248
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Filing Dt:
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02/14/2000
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Title:
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MAGNETIC DISC CONTROL APPARATUS WITH PARALLEL DATA TRANSFER BETWEEN DISC CONTROL UNIT AND ENCODER CIRCUIT
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Patent #:
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Issue Dt:
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09/10/2002
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Application #:
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09594570
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Filing Dt:
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06/15/2000
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Title:
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MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS USING THE SAME
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Patent #:
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Issue Dt:
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02/24/2004
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Application #:
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09597272
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Filing Dt:
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06/19/2000
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Title:
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PERFORMANCE EVALUATION METHOD, PERFORMANCE EVALUATION SYSTEM, AND INFORMATION STORAGE APPARATUS USING SAME
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Patent #:
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Issue Dt:
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03/18/2003
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Application #:
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09604132
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Filing Dt:
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06/27/2000
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Title:
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INFORMATION RECORDING MEDIA AND INFORMATION RECORDING DRIVE
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Patent #:
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Issue Dt:
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10/29/2002
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Application #:
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09604633
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Filing Dt:
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06/27/2000
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Title:
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MAGNETIC RECORDING DISK
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Patent #:
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Issue Dt:
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05/13/2003
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Application #:
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09610455
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Filing Dt:
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07/05/2000
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Title:
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PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS
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Patent #:
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Issue Dt:
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10/28/2003
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Application #:
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09644072
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Filing Dt:
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08/23/2000
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Title:
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PLASMA PROCESSING APPARATUS WITH REAL-TIME PARTICLE FILTER
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Patent #:
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Issue Dt:
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01/14/2003
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Application #:
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09679416
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Filing Dt:
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10/04/2000
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Title:
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MAGNETORESISTIVE EFFECT HEAD
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Patent #:
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Issue Dt:
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02/03/2004
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Application #:
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09717213
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Filing Dt:
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11/22/2000
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Title:
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PERPENDICULAR MAGNETIC RECORDING MEDIA, MAGNETIC RECORDING APPARATUS
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Patent #:
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Issue Dt:
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01/21/2003
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Application #:
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09761736
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Filing Dt:
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01/18/2001
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Publication #:
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Pub Dt:
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03/07/2002
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Title:
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DISTURBANCE DETECTION CIRCUIT, MEMORY DEVICE THEREOF, AND DISTURBANCE DETECTION METHOD
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Patent #:
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Issue Dt:
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01/07/2003
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Application #:
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09767847
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Filing Dt:
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01/24/2001
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Publication #:
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Pub Dt:
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06/28/2001
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Title:
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SPIN TUNNEL MAGNETO-RESISTANCE TYPE MAGNETIC SENSOR
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Patent #:
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Issue Dt:
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07/06/2004
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Application #:
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09785416
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Filing Dt:
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02/20/2001
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Publication #:
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Pub Dt:
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04/25/2002
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Title:
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PERPENDICULAR MAGNETIC RECORDING MEDIA AND MAGNETIC STORAGE APPARATUS USING THE SAME
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Patent #:
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Issue Dt:
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09/14/2004
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Application #:
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09793924
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Filing Dt:
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02/28/2001
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Publication #:
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Pub Dt:
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11/22/2001
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Title:
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APPARATUS FOR INFORMATION RECORDING AND REPRODUCING
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Patent #:
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Issue Dt:
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09/14/2004
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Application #:
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09793924
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Filing Dt:
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02/28/2001
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Publication #:
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Pub Dt:
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11/22/2001
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Title:
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APPARATUS FOR INFORMATION RECORDING AND REPRODUCING
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Patent #:
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Issue Dt:
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02/03/2004
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Application #:
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09801846
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Filing Dt:
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03/09/2001
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Publication #:
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Pub Dt:
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09/12/2002
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Title:
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DISK APPARATUS AND INFORMATION PROCESSING SYSTEM DISCRIMINATIVE PLURAL EXTERNAL ELECTRONIC APPLIANCES
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Patent #:
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Issue Dt:
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04/27/2004
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Application #:
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09808992
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Filing Dt:
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03/16/2001
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Publication #:
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Pub Dt:
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01/31/2002
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Title:
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MAGNETIC HEAD, MAGNETIC RECORDING AND REPRODUCING APPARATUS, METHOD FOR REPRODUCING AND RECORDING MAGNETIC RECORDING INFORMATION
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Patent #:
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Issue Dt:
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12/30/2003
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Application #:
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09810572
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Filing Dt:
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03/19/2001
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Publication #:
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Pub Dt:
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10/04/2001
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Title:
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MAGNETIC HEAD AND MAGNETIC DISK APPARATUS
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Patent #:
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Issue Dt:
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03/04/2003
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Application #:
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09811471
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Filing Dt:
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03/20/2001
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Publication #:
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Pub Dt:
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01/10/2002
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Title:
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PERPENDICULAR-MAGNETIC RECORDING MEDIA AND MAGNETIC RECORDING APPARATUS
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Patent #:
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Issue Dt:
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10/21/2003
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Application #:
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09811482
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Filing Dt:
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03/20/2001
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Publication #:
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Pub Dt:
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11/15/2001
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Title:
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MAGNETORESISTIVE SENSOR, MAGNETIC HEAD AND MAGNETIC DISK APPARATUS
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Patent #:
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Issue Dt:
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02/10/2004
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Application #:
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09811567
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Filing Dt:
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03/20/2001
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Publication #:
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Pub Dt:
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02/07/2002
| | | | |
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Title:
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MAGNETIC HEAD, MAGNETIC RECORDING AND REPRODUCING APPARATUS, METHOD FOR REPRODUCING AND RECORDING MAGNETIC RECORDING INFORMATION
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Patent #:
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Issue Dt:
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03/22/2005
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Application #:
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09811606
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Filing Dt:
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03/20/2001
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Publication #:
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Pub Dt:
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01/10/2002
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Title:
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MAGNETORESISTIVE SENSOR INCLUDING MAGNETIC DOMAIN CONTROL LAYERS HAVING HIGH ELECTRIC RESISTIVITY
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Patent #:
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Issue Dt:
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10/14/2003
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Application #:
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09840869
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Filing Dt:
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04/25/2001
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Publication #:
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Pub Dt:
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08/30/2001
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Title:
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MAGNETORESISTIVE ELEMENT
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Patent #:
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Issue Dt:
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09/02/2003
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Application #:
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09849404
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Filing Dt:
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05/07/2001
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Publication #:
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Pub Dt:
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09/13/2001
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Title:
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MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING APPARATUS
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Patent #:
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Issue Dt:
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09/17/2002
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Application #:
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09860645
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Filing Dt:
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05/21/2001
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Publication #:
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Pub Dt:
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10/11/2001
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Title:
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Magnetic storage apparatus
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Patent #:
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Issue Dt:
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02/17/2004
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Application #:
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09884166
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Filing Dt:
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06/20/2001
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Publication #:
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Pub Dt:
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01/31/2002
| | | | |
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Title:
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MAGNETIC DISK APPARATUS
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Patent #:
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Issue Dt:
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03/29/2005
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Application #:
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09887328
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Filing Dt:
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06/25/2001
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Publication #:
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Pub Dt:
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11/01/2001
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Title:
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DIGITAL MAGNETIC RECORDING/REPRODUCING APPARATUS
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Patent #:
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Issue Dt:
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09/23/2003
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Application #:
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09888523
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Filing Dt:
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06/26/2001
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Publication #:
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Pub Dt:
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05/30/2002
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Title:
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MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS
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Patent #:
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Issue Dt:
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12/16/2003
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Application #:
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09897401
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Filing Dt:
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07/03/2001
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Publication #:
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Pub Dt:
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02/21/2002
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Title:
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MAGNETIC DISK DRIVE WITH SUPPLY OF PERFLUOROPOLYETHER AS LUBRICANT
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Patent #:
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Issue Dt:
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03/01/2005
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Application #:
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09901889
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07/11/2001
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Publication #:
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Pub Dt:
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03/07/2002
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Title:
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APPARATUS FOR LATCHING A MAGNETIC DISK
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Patent #:
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12/02/2003
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09911541
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07/25/2001
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Publication #:
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Pub Dt:
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07/25/2002
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Title:
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MAGNETORESISTIVE MAGNETIC SENSOR WITH TUNNEL EFFECT AND MAGNETIC STORAGE APPARATUS
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Patent #:
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Issue Dt:
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09/02/2003
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Application #:
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09917706
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07/31/2001
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Publication #:
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Pub Dt:
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02/28/2002
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Title:
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DISC DRIVE HEAD SUPPORTING MECHANISM HAVING POWER SUPPLY PADS FOR AN INTEGRATED CIRCUIT WHICH ARE OF A GREATER AREA THAN SIGNAL/CONTROL JUNCTION PADS
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Patent #:
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04/20/2004
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09917892
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07/31/2001
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Publication #:
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Pub Dt:
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08/08/2002
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Title:
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STRUCTURE AND PLATING METHOD OF THIN FILM MAGNETIC HEAD AND MAGNETIC STORAGE APPARATUS
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Patent #:
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11/23/2004
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09919915
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08/02/2001
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Publication #:
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05/23/2002
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Title:
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MAGNETIC HARD DISK DRIVE
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Patent #:
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Issue Dt:
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12/16/2003
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09920644
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08/03/2001
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10/03/2002
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Title:
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MAGNETIC HEAD THAT DETECTS LEAKAGE FLUXES FROM A MEDIUM AT A HIGH RESOLUTION AND LEADS THE FLUXES INTO A MAGNETO-RESISTIVE ELEMENT
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Patent #:
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03/23/2004
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09920648
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08/03/2001
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03/21/2002
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Title:
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SINGLE POLE TYPE RECORDING HEAD INCLUDING TAPERED EDGES
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01/07/2003
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09927392
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08/13/2001
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03/07/2002
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Title:
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MAGNETIC HEAD AND MAGNETIC HEAD MANUFACTURING METHOD
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06/01/2004
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09928414
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08/14/2001
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08/29/2002
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Title:
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CONTINUOUS RECORDING APPARATUS BY INTERPOLATING THE AUDIO SIGNAL DURING SEEKING OPERATION
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