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Reel/Frame:050450/0582   Pages: 120
Recorded: 09/19/2019
Attorney Dkt #:WD FREMONT TO WD TECH INC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1097
Page 1 of 11
Pages: 1 2 3 4 5 6 7 8 9 10 11
1
Patent #:
Issue Dt:
02/01/1983
Application #:
06206461
Filing Dt:
11/13/1980
Title:
HIGH RESOLUTION HALL EFFECT READ HEAD
2
Patent #:
Issue Dt:
04/16/1985
Application #:
06375714
Filing Dt:
05/07/1982
Title:
AUTOMATIC THROAT HEIGHT CONTROL FOR FILM HEADS
3
Patent #:
Issue Dt:
09/15/1987
Application #:
06817621
Filing Dt:
01/10/1986
Title:
THIN FILM MAGNETIC HEAD WITH THREE SUPERIMPOSED COILS
4
Patent #:
Issue Dt:
01/30/1990
Application #:
07160147
Filing Dt:
02/25/1988
Title:
DE-STAKING TOOL AND METHOD FOR REMOVAL OF HEAD GIMBALS FROM HEAD STACK ASSEMBLIES
5
Patent #:
Issue Dt:
04/16/1991
Application #:
07328869
Filing Dt:
03/27/1989
Title:
DISK HEAD ASSEMBLY FLEXURE WITH SLOPED RAMP SUPPORT STRUCTURE
6
Patent #:
Issue Dt:
06/25/1991
Application #:
07328874
Filing Dt:
03/27/1989
Title:
DISK HEAD ASSEMBLY LOAD BEAM
7
Patent #:
Issue Dt:
10/20/1992
Application #:
07531941
Filing Dt:
06/01/1990
Title:
METHOD FOR FABRICATING MAGNETIC HEAD AIR BEARING SLIDERS
8
Patent #:
Issue Dt:
08/11/1992
Application #:
07572059
Filing Dt:
08/23/1990
Title:
DISK HEAD ASSEMBLY FLEXURE WITH IMPROVED MOTION STABILITY
9
Patent #:
Issue Dt:
04/20/1993
Application #:
07673651
Filing Dt:
03/22/1991
Title:
AUTOMATED SYSTEM FOR LAPPING AIR BEARING SURFACE OF MAGNETIC HEADS
10
Patent #:
Issue Dt:
05/25/1993
Application #:
07675096
Filing Dt:
03/22/1991
Title:
THROAT HEIGHT CONTROL DURING LAPPING OF MAGNETIC HEADS
11
Patent #:
Issue Dt:
06/02/1992
Application #:
07679836
Filing Dt:
04/01/1991
Title:
ADJUSTABLE TRANSFER TOOL FOR LAPPING MAGNETIC HEAD SLIDERS
12
Patent #:
Issue Dt:
02/16/1993
Application #:
07689132
Filing Dt:
04/22/1991
Title:
DISK HEAD ASSEMBLY ATTACHMENT MEANS AND METHOD
13
Patent #:
Issue Dt:
08/17/1993
Application #:
07705754
Filing Dt:
05/28/1991
Title:
THIN FILM TAPE HEAD ASSEMBLY
14
Patent #:
Issue Dt:
12/22/1992
Application #:
07709333
Filing Dt:
06/03/1991
Title:
THIN FILM HEAD WITH COILS OF VARYING THICKNESS
15
Patent #:
Issue Dt:
02/11/1992
Application #:
07740064
Filing Dt:
08/05/1991
Title:
PROCESS FOR MAKING A THIN FILM MAGNETIC HEAD WITH SINGLE STEP LIFT-OFF
16
Patent #:
Issue Dt:
08/09/1994
Application #:
07763591
Filing Dt:
09/23/1991
Title:
PROCESSING OF MAGNETIC HEAD FLEXURES WITH SLIDER ELEMENTS
17
Patent #:
Issue Dt:
10/26/1993
Application #:
07786095
Filing Dt:
10/31/1991
Title:
ALUMINA MATERIAL USEFUL WITH THIN FILM HEADS
18
Patent #:
Issue Dt:
10/19/1993
Application #:
07807194
Filing Dt:
12/16/1991
Title:
READ-WRITE MAGNETIC HEAD WITH FLUX SENSING READ ELEMENT
19
Patent #:
Issue Dt:
03/07/1995
Application #:
07843895
Filing Dt:
02/27/1992
Title:
COMPACT, HIGH-SPEED, ROTARY ACTUATOR AND TRANSDUCER ASSEMBLY WITH REDUCED MOMENT OF INERTIA AND MASS-BALANCED STRUCTURAL OVERLAP WITH DRIVE MOTOR AND ORGANIZING METHOD FOR THE SAME
20
Patent #:
Issue Dt:
07/05/1994
Application #:
07904033
Filing Dt:
06/25/1992
Title:
THIN FILM CONTACT RECORDING HEAD
21
Patent #:
Issue Dt:
03/01/1994
Application #:
07911457
Filing Dt:
07/10/1992
Title:
UNIDIRECTIONAL FIELD GENERATOR
22
Patent #:
Issue Dt:
03/29/1994
Application #:
07926033
Filing Dt:
08/05/1992
Title:
MAGNETIC HEAD SUSPENSION ASSEMBLY
23
Patent #:
Issue Dt:
05/03/1994
Application #:
07976536
Filing Dt:
11/16/1992
Title:
DUAL ELEMENT MAGNETORESISTIVE SENSING HEAD
24
Patent #:
Issue Dt:
01/31/1995
Application #:
07986252
Filing Dt:
12/07/1992
Title:
STABILIZING DOMAINS IN INDUCTIVE THIN FILM HEADS
25
Patent #:
Issue Dt:
10/25/1994
Application #:
07993438
Filing Dt:
12/21/1992
Title:
MAGNETIC HEAD AIR BEARING SLIDER
26
Patent #:
Issue Dt:
08/23/1994
Application #:
07996615
Filing Dt:
12/24/1992
Title:
TEST FIXTURE FOR AIR BEARING MAGNETIC HEAD SUSPENSION ASSEMBLY
27
Patent #:
Issue Dt:
02/07/1995
Application #:
08016272
Filing Dt:
02/11/1993
Title:
AUTOMATED SYSTEM FOR CONTROLLING TAPER LENGTH DURING THE LAPPING OF AIR BEARING SURFACE OF MAGNETIC HEADS
28
Patent #:
Issue Dt:
09/07/1999
Application #:
08020306
Filing Dt:
02/19/1993
Title:
THIN FILM MAGNETIC HEAD WITH STRESS RELIEF LAYERING
29
Patent #:
Issue Dt:
01/25/1994
Application #:
08042906
Filing Dt:
04/05/1993
Title:
MAGNETIC HEAD SUSPENSION ASSEMBLY FABRICATED WITH INTEGRAL LOAD BEAM AND FLEXURE
30
Patent #:
Issue Dt:
10/19/1993
Application #:
08047309
Filing Dt:
04/19/1993
Title:
THIN FILM MAGNETIC HEAD WITH NARROW YOKE
31
Patent #:
Issue Dt:
10/19/1993
Application #:
08047497
Filing Dt:
04/19/1993
Title:
PROCESS OF MAKING THIN FILM MAGNETIC HEAD
32
Patent #:
Issue Dt:
10/12/1999
Application #:
08078917
Filing Dt:
06/21/1993
Title:
MAGNETORESISTIVE READ HEAD HAVING AN EXCHANGE LAYER
33
Patent #:
Issue Dt:
10/18/1994
Application #:
08100212
Filing Dt:
08/02/1993
Title:
ALUMINA MATERIAL USEFUL WITH THIN FILM HEADS
34
Patent #:
Issue Dt:
10/04/1994
Application #:
08117484
Filing Dt:
09/07/1993
Title:
AIR BEARING MAGNETIC SLIDER WITH WISHBONE-SHAPED RAILS
35
Patent #:
Issue Dt:
12/11/2001
Application #:
08121876
Filing Dt:
09/17/1993
Title:
REDUCED STICTION AIR BEARING SLIDER
36
Patent #:
Issue Dt:
04/11/1995
Application #:
08132832
Filing Dt:
10/07/1993
Title:
AIR BEARING MAGNETIC HEAD SLIDERS WITH SEPARATE CENTER RAIL SEGMENTS
37
Patent #:
Issue Dt:
08/29/1995
Application #:
08203225
Filing Dt:
02/28/1994
Title:
MAGNETIC HEAD ASSEMBLY WITH MR SENSOR
38
Patent #:
Issue Dt:
04/09/1996
Application #:
08217550
Filing Dt:
03/25/1994
Title:
METHOD AND APPARATUS FOR COMPENSATING FOR PROCESS VARIATIONS IN AN AUTOMATIC POSITIONING SYSTEM
39
Patent #:
Issue Dt:
07/25/1995
Application #:
08220486
Filing Dt:
03/31/1994
Title:
INTEGRATED YOKE MAGNETORESISTIVE TRANSDUCER WITH MAGNETIC SHUNT
40
Patent #:
Issue Dt:
05/02/1995
Application #:
08231157
Filing Dt:
04/22/1994
Title:
CADDY AND CARRIER TOOL FOR ASSEMBLING A HEAD ARM STACK
41
Patent #:
Issue Dt:
11/14/1995
Application #:
08231402
Filing Dt:
04/22/1994
Title:
METHOD OF ASSEMBLING A HEAD ARM STACK FOR A MAGNETIC DISK DRIVE
42
Patent #:
Issue Dt:
03/07/1995
Application #:
08236145
Filing Dt:
05/02/1994
Title:
AIR BEARING MAGNETIC HEAD SLIDERS
43
Patent #:
Issue Dt:
08/01/1995
Application #:
08242457
Filing Dt:
05/13/1994
Title:
MAGNETORESISTIVE STRUCTURE WITH CONTIGUOUS JUNCTION HARD BIAS DESIGN WITH LOW LEAD RESISTANCE
44
Patent #:
Issue Dt:
12/13/1994
Application #:
08251304
Filing Dt:
05/31/1994
Title:
CONFIGURING DOMAIN PATTERN IN THIN FILMS OF MAGNETIC HEADS
45
Patent #:
Issue Dt:
05/14/1996
Application #:
08260029
Filing Dt:
06/15/1994
Title:
METHOD AND APPARATUS FOR BLENDING AIR BEARING SLIDERS
46
Patent #:
Issue Dt:
10/22/1996
Application #:
08263999
Filing Dt:
06/22/1994
Title:
METHOD AND APPARATUS FOR CALIBRATION OF A TRANSDUCER FLYING HEIGHT MEASUREMENT INSTRUMENT
47
Patent #:
Issue Dt:
09/19/1995
Application #:
08280577
Filing Dt:
07/25/1994
Title:
THIN FILM MAGNETIC HEADS WITH MULTIPLE YOKES
48
Patent #:
Issue Dt:
08/01/1995
Application #:
08299524
Filing Dt:
09/01/1994
Title:
SYSTEM FOR TESTING THE VOICE COIL ELEMENT OF A DISK DRIVE ROTARY ACTUATOR
49
Patent #:
Issue Dt:
07/18/1995
Application #:
08312537
Filing Dt:
09/26/1994
Title:
MULTILAYER HARD BIAS FILMS FOR LONGITUDINAL BIASING IN MAGNETORESISTIVE TRANSDUCER
50
Patent #:
Issue Dt:
11/19/1996
Application #:
08337878
Filing Dt:
11/14/1994
Title:
COMPACT READ/WRITE HEAD HAVING BIASED GMR ELEMENT
51
Patent #:
Issue Dt:
04/16/1996
Application #:
08364387
Filing Dt:
12/23/1994
Title:
DUAL ELEMENT MAGNETORESISTIVE SENSING HEAD HAVING IN-GAP FLUX GUIDE AND FLUX CLOSURE PIECE WITH PARTICULAR CONNECTION OF MAGNETORESISTIVE SENSING ELEMENT TO DIFFERENTIAL AMPLIFIER
52
Patent #:
Issue Dt:
07/09/1996
Application #:
08370479
Filing Dt:
01/09/1995
Title:
DISK DRIVE APPARATUS HAVING UP AND DOWN HEAD SUPSENSIONS INDEPENDENTLY LOADABLE INTO A SPACE BETWEEN IMMEDIATELY ADJACENT DISKS
53
Patent #:
Issue Dt:
12/05/1995
Application #:
08383978
Filing Dt:
02/06/1995
Title:
TRIPAD AIR BEARING MAGNETIC HEAD SLIDER
54
Patent #:
Issue Dt:
12/05/1995
Application #:
08384467
Filing Dt:
02/02/1995
Title:
AIR BEARING THIN FILM MAGNETIC HEAD WITH A WEAR-RESISTANT END CAP HAVING ALTERNATING LAMINATION
55
Patent #:
Issue Dt:
09/16/1997
Application #:
08389301
Filing Dt:
02/16/1995
Title:
NOISE DETECTING APPARATUS FOR MAGNETIC HEADS
56
Patent #:
Issue Dt:
12/05/1995
Application #:
08407270
Filing Dt:
03/20/1995
Title:
METHOD OF MAKING A BI-LEVEL COIL FOR A THIN FILM MAGNETIC TRANSDUCER
57
Patent #:
Issue Dt:
05/14/1996
Application #:
08410774
Filing Dt:
03/27/1995
Title:
PLANARIZATION OF AIR BEARING SLIDER SURFACES FOR REACTIVE ION ETCHING OR ION MILLING
58
Patent #:
Issue Dt:
04/01/1997
Application #:
08413071
Filing Dt:
03/20/1995
Title:
MAGNETIC HEAD STRUCTURE WITH REDUCTION OF MAGNETIC DOMAIN INSTABILITY
59
Patent #:
Issue Dt:
10/22/1996
Application #:
08418451
Filing Dt:
12/22/1994
Title:
MAGNETIC HEAD SUSPENSION
60
Patent #:
Issue Dt:
10/29/1996
Application #:
08419760
Filing Dt:
04/10/1995
Title:
NEGATIVE PRESSURE AIR BEARING SLIDER
61
Patent #:
Issue Dt:
11/17/1998
Application #:
08423078
Filing Dt:
04/17/1995
Title:
MAGNETORESISTIVE TRANSDUCER HAVING LAMINATED MAGNETIC SHIELDS
62
Patent #:
Issue Dt:
02/11/1997
Application #:
08496581
Filing Dt:
06/29/1995
Title:
GIMBAL ASSEMBLY OF A MAGNETIC HEAD SUSPENSION
63
Patent #:
Issue Dt:
11/26/1996
Application #:
08498169
Filing Dt:
07/05/1995
Title:
ALIGNMENT OF MAGNETIC POLES OF THIN FILM TRANSDUCER
64
Patent #:
Issue Dt:
06/20/2000
Application #:
08500741
Filing Dt:
07/11/1995
Title:
MAGNETIC TAPE HEAD WITH FLUX SENSING ELEMENT
65
Patent #:
Issue Dt:
02/25/1997
Application #:
08501950
Filing Dt:
07/13/1995
Title:
ALTITUDE INSENSITIVE AIR BEARING SLIDER
66
Patent #:
Issue Dt:
08/05/1997
Application #:
08505382
Filing Dt:
07/21/1995
Title:
HEAD ARM ASSEMBLY HAVING AN INTEGRAL ARM WITH A PORTION ENCASED IN A RIGID MOLDED MATERIAL
67
Patent #:
Issue Dt:
01/13/1998
Application #:
08508477
Filing Dt:
07/28/1995
Title:
VARIABLE GAP MAGNETORESISTIVE TRANSDUCER AND METHOD OF MAKING THE SAME
68
Patent #:
Issue Dt:
06/30/1998
Application #:
08509118
Filing Dt:
07/31/1995
Title:
METHOD AND APPARATUS FOR CONTROLLING THE LAPPING OF MAGNETIC HEADS
69
Patent #:
Issue Dt:
08/12/1997
Application #:
08529574
Filing Dt:
09/18/1995
Title:
STABILIZATION OF GIANT MAGNETORESISTIVE TRANSDUCERS
70
Patent #:
Issue Dt:
04/17/2001
Application #:
08541441
Filing Dt:
10/10/1995
Title:
HIGH DENSITY GIANT MAGNETORESISTIVE TRANSDUCER WITH RECESSED SENSOR
71
Patent #:
Issue Dt:
09/01/1998
Application #:
08544090
Filing Dt:
01/18/1996
Title:
APPARATUS AND METHOD FOR TESTING MAGNETIC HEADS USING TRANSLATIONAL SKILLS AND A ROTATABLE ARM
72
Patent #:
Issue Dt:
06/25/1996
Application #:
08547694
Filing Dt:
10/19/1995
Title:
METHOD OF PRODUCING EXCHANGE COUPLED MAGNETIC THIN FILMS WITH POST- DEPOSITION ANNEALING
73
Patent #:
Issue Dt:
08/18/1998
Application #:
08570220
Filing Dt:
12/08/1995
Title:
MAGNETIC DEVICE FOR ROTATING A SUBSTRATE
74
Patent #:
Issue Dt:
05/06/1997
Application #:
08600239
Filing Dt:
02/12/1996
Title:
THIN FILM GIANT MAGNETORESISTIVE CPP TRANSDUCER WITH FLUX GUIDE YOKE STRUCTURE
75
Patent #:
Issue Dt:
08/11/1998
Application #:
08607130
Filing Dt:
02/26/1996
Title:
LOW NOISE MAGNETIC HEAD FOR HIGH FREQUENCY RECORDING
76
Patent #:
Issue Dt:
12/01/1998
Application #:
08618039
Filing Dt:
03/18/1996
Title:
APPARATUS FOR ADJUSTING THE GRAM LOAD OF HEAD GIMBAL ASSEMBLIES
77
Patent #:
Issue Dt:
03/18/1997
Application #:
08619279
Filing Dt:
03/18/1996
Title:
CONTACT RECORDING SLIDER WITH ACTIVE CONTACT SURFACES
78
Patent #:
Issue Dt:
01/13/1998
Application #:
08619369
Filing Dt:
03/21/1996
Title:
SPIN VALVE MAGNETORESISTIVE TRANSDUCERS HAVING PERMANENT MAGNETS
79
Patent #:
Issue Dt:
08/11/1998
Application #:
08636059
Filing Dt:
04/23/1996
Title:
MAGNETORESISTIVE HEAD USING SENSE CURRENTS OF OPPOSITE POLARITIES
80
Patent #:
Issue Dt:
03/31/1998
Application #:
08648329
Filing Dt:
05/15/1996
Title:
DUAL GAP MAGNETIC HEAD AND METHOD OF MAKING THE SAME
81
Patent #:
Issue Dt:
05/12/1998
Application #:
08648538
Filing Dt:
04/15/1996
Title:
MULTILAYER EXCHANGE COUPLED MAGNETIC POLES WITH APPROXIMATE ZERO MAGNETOSTRICTION
82
Patent #:
Issue Dt:
05/05/1998
Application #:
08657999
Filing Dt:
06/04/1996
Title:
MAGNETORESISTIVE REAS TRANSDUCER WITH EXCHANGE BIASING OF MAGNETORESISTIVE SENSOR AND SOFT ADJACENT LAYER
83
Patent #:
Issue Dt:
04/14/1998
Application #:
08658000
Filing Dt:
06/04/1996
Title:
MAGNETORESISTIVE READ TRANSDUCERS WITH MULTIPLE LONGITUDINAL STABILIZATION LAYERS
84
Patent #:
Issue Dt:
03/10/1998
Application #:
08661749
Filing Dt:
06/11/1996
Title:
THIN FILM MAGNETIC HEAD WITH TRIMMED POLE TIPS ETCHED BY FOCUSED ION BEAM FOR UNDERSHOOT REDUCTIONS
85
Patent #:
Issue Dt:
01/23/2007
Application #:
08662528
Filing Dt:
06/13/1996
Title:
MAGNETIC HEAD SUSPENSION ASSEMBLY FABRICATED WITH INTEGRAL LOAD BEAM AND FLEXURE
86
Patent #:
Issue Dt:
04/01/2008
Application #:
08662885
Filing Dt:
06/13/1996
Title:
MAGNETIC HEAD SUSPENSION ASSEMBLY FABRICATED WITH INTEGRAL LOAD BEAM AND FLEXURE
87
Patent #:
Issue Dt:
04/21/1998
Application #:
08666209
Filing Dt:
06/20/1996
Title:
MAGNETIC HEAD HAVING ENCAPSULATED MAGNETORESISTIVE TRANSDUCER AND MULTILAYERED LEAD STRUCTURE
88
Patent #:
Issue Dt:
06/29/1999
Application #:
08668859
Filing Dt:
06/24/1996
Title:
MAGNETORESISTIVE HEAD WITH MAGNETIC BIAS LEVEL CONTROL
89
Patent #:
Issue Dt:
12/02/1997
Application #:
08673947
Filing Dt:
07/01/1996
Title:
SHIELDED MAGNETIC HEAD HAVING AN INDUCTIVE COIL WITH LOW MUTUAL INDUCTANCE
90
Patent #:
Issue Dt:
05/12/1998
Application #:
08679228
Filing Dt:
07/12/1996
Title:
THIN FILM HEADS WITH INSULATED LAMINATIONS FOR IMPROVED HIGH FREQUENCY PERFORMANCE
91
Patent #:
Issue Dt:
08/15/2000
Application #:
08680495
Filing Dt:
07/15/1996
Title:
MAGNETIC THIN FILM HEAD ZERO THROAT POLE TIP DEFINITION
92
Patent #:
Issue Dt:
07/21/1998
Application #:
08682270
Filing Dt:
07/17/1996
Title:
COMPACT READ/WRITE HEAD HAVING BIASED GMR ELEMENT
93
Patent #:
Issue Dt:
04/21/1998
Application #:
08682276
Filing Dt:
07/17/1996
Title:
MAGNETORESISTIVE SPIN VALVE SENSOR WITH MULTILAYERED KEEPER
94
Patent #:
Issue Dt:
03/17/1998
Application #:
08684876
Filing Dt:
07/25/1996
Title:
THIN FILM MAGNETIC HEAD AND METHOD OF FABRICATION
95
Patent #:
Issue Dt:
06/23/1998
Application #:
08686273
Filing Dt:
07/25/1996
Title:
HEAD GIMBAL ASSEMBLY WITH TRANSDUCER WIRES ATTACHED AT TWO POINTS TO SLIDER
96
Patent #:
Issue Dt:
11/11/1997
Application #:
08689511
Filing Dt:
08/13/1996
Title:
ROLL BALANCE SUB-AMBIENT PRESSURE AIR BEARING SLIDER
97
Patent #:
Issue Dt:
02/09/1999
Application #:
08693408
Filing Dt:
08/07/1996
Title:
MAGNETIC HEAD SUSPENSION ASSEMBLY HAVING LOAD BEAM WITH HIGH RESONANT FREQUENCY AND SHOCK RESISTANCE
98
Patent #:
Issue Dt:
09/22/1998
Application #:
08693441
Filing Dt:
08/07/1996
Title:
METHOD OF MAKING A MAGNETIC HEAD ASSEMBLY WITH WRITE POLE/SHIELD STRUCTURE
99
Patent #:
Issue Dt:
03/18/1997
Application #:
08696656
Filing Dt:
08/14/1996
Title:
METHOD OF FORMING A THIN FILM MAGNETIC STRUCTURE HAVING FERROMAGNETIC AND ANTIFERROMAGNETIC LAYERS
100
Patent #:
Issue Dt:
01/06/1998
Application #:
08700759
Filing Dt:
12/09/1996
Title:
ALTITUDE INSENSITIVE AIR BEARING SLIDER
Assignor
1
Exec Dt:
05/08/2019
Assignee
1
5601 GREAT OAKS PARKWAY
SAN JOSE, CALIFORNIA 95119
Correspondence name and address
WESTERN DIGITAL TECHNOLOGIES
951 SANDISK DRIVE
LEGAL DEP./SIMONA BENJAMIN
MILPITAS, CA 95035

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