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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:017176/0050   Pages: 7
Recorded: 01/24/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 55
1
Patent #:
4813011
Issue Dt:
03/14/1989
Application #:
06733421
Filing Dt:
05/13/1985
Title:
DATA PROCESSING PERIPHERAL SUBSYSTEMS HAVING A CONTROLLER AND A PLURALITY OF PERIPHERAL DEVICES
2
Patent #:
4794586
Issue Dt:
12/27/1988
Application #:
07139344
Filing Dt:
12/29/1987
Title:
ROTARY ACCESS ARM FOR OPTICAL DISKS
3
Patent #:
5105415
Issue Dt:
04/14/1992
Application #:
07448450
Filing Dt:
12/11/1989
Title:
DETECTING MAGNETOOPTIC AND INTENSITY-MODULATED OPTICAL SIGNALS WITH THE SAME DETECTOR
4
Patent #:
5200936
Issue Dt:
04/06/1993
Application #:
07571796
Filing Dt:
08/24/1990
Title:
MAGNETO-OPTIC METHOD AND APPARATUS FOR RECORDING AND RETRIEVING HIGH- DENSITY DIGITAL DATA
5
Patent #:
5233584
Issue Dt:
08/03/1993
Application #:
07577250
Filing Dt:
09/04/1990
Title:
AN OPTICAL DISK DEVICE USING HIGH AND LOW DATA-SENSING CRITERIA PLUS DEVICE RECALIBRATION FOR ERROR CONTROL
6
Patent #:
5327408
Issue Dt:
07/05/1994
Application #:
07579434
Filing Dt:
09/07/1990
Title:
OPTICAL DISK WITH SECTOR SERVO PATTERNS COMPENSATING FOR VARIATIONS IN PATTERN SIZE AND/OR RADIAL VELOCITY
7
Patent #:
5134602
Issue Dt:
07/28/1992
Application #:
07589135
Filing Dt:
09/27/1990
Title:
CALIBRATING OPTICAL DISK RECORDERS TO SOME PARAMETERS DURING DISK SPIN UP WHILE DEFERRING CALIBRATION OF OTHER PARAMETERS
8
Patent #:
5077748
Issue Dt:
12/31/1991
Application #:
07678397
Filing Dt:
04/01/1991
Title:
LASER SYSTEM AND METHOD
9
Patent #:
5347651
Issue Dt:
09/13/1994
Application #:
07689584
Filing Dt:
04/23/1991
Title:
SYSTEM FOR ALLOCATING WORM OPTICAL MEDIUM FILE STORAGE IN GROUPS OF FIXED SIZE ADDRESSABLE AREAS WHILE TRACKING UNRECORDED AREAS AND END OF VOLUME
10
Patent #:
5247498
Issue Dt:
09/21/1993
Application #:
07714946
Filing Dt:
06/13/1991
Title:
OPTICAL DISK DRIVE APPARATUS AND A SEEK METHOD SPIRAL TRACK
11
Patent #:
5199017
Issue Dt:
03/30/1993
Application #:
07757775
Filing Dt:
09/11/1991
Title:
OPTICAL DISK DRIVE AND METHOD FOR COUNTING THE NUMBER OF TRACKS ON AN OPTICAL DISK
12
Patent #:
5291468
Issue Dt:
03/01/1994
Application #:
07760653
Filing Dt:
09/16/1991
Title:
METHOD AND APPARATUS FOR SYNCHRONIZING THE READOUT OF A SEQUENTIAL MEDIA DEVICE WITH A SEPARATE CLOCKED DEVICE
13
Patent #:
5394534
Issue Dt:
02/28/1995
Application #:
07943613
Filing Dt:
09/11/1992
Title:
DATA COMPRESSION/DECOMPRESSION AND STORAGE OF COMPRESSED AND UNCOMPRESSED DATA ON A SAME REMOVABLE DATA STORAGE MEDIUM
14
Patent #:
5293369
Issue Dt:
03/08/1994
Application #:
07967669
Filing Dt:
10/28/1992
Title:
ASYNCHRONOUS SAMPLING DIGITAL DETECTOR SYSTEM FOR MAGNETIC AND OPTICAL RECORDING CHANNELS
15
Patent #:
5325343
Issue Dt:
06/28/1994
Application #:
07970895
Filing Dt:
11/03/1992
Title:
MAGNETO-OPTICAL RECORDING MEDIUM HAVING TWO RE-TM LAYERS WITH THE SAVE CURIE TEMPERATURE
16
Patent #:
5315568
Issue Dt:
05/24/1994
Application #:
07974639
Filing Dt:
11/12/1992
Title:
APPARATUS AND METHOD FOR ACCESSING SECTORS OF A ROTATING DISK
17
Patent #:
5388085
Issue Dt:
02/07/1995
Application #:
08025465
Filing Dt:
03/03/1993
Title:
APPARATUS AND METHOD FOR ACCESSING SECTORS OF A ROTATING DISK
18
Patent #:
5329505
Issue Dt:
07/12/1994
Application #:
08109015
Filing Dt:
08/18/1993
Title:
SYSTEM AND METHOD FOR OVERWRITEABLE MAGNETO-OPTICAL RECORDING
19
Patent #:
5396476
Issue Dt:
03/07/1995
Application #:
08125273
Filing Dt:
09/23/1993
Title:
SENSING CONTAMINATION LEVEL IN AN OPTICAL STORAGE DEVICE
20
Patent #:
5760991
Issue Dt:
06/02/1998
Application #:
08330945
Filing Dt:
10/28/1994
Title:
DISK STORAGE UNIT POSITIONING CONTROL FOR APPLYING DC OFFSETS TO A TRACKING ERROR
21
Patent #:
RE36864
Issue Dt:
09/12/2000
Application #:
08430947
Filing Dt:
04/28/1995
Title:
OPTICAL DISK DRIVE AND METHODS FOR COUNTING THE NUMBER OF TRACKS ON AN OPTICAL DISK
22
Patent #:
5737371
Issue Dt:
04/07/1998
Application #:
08568238
Filing Dt:
12/06/1995
Title:
REALIGNMENT OF DATA STREAM FROM AN OPTICAL DISK
23
Patent #:
5623470
Issue Dt:
04/22/1997
Application #:
08578869
Filing Dt:
12/28/1995
Title:
REALLOCATION OF DEFECTIVE RECORDING AREAS ON CD-R OR CD-E MEDIA
24
Patent #:
6512652
Issue Dt:
01/28/2003
Application #:
08608974
Filing Dt:
02/29/1996
Title:
POWER SAVING METHOD AND APPARATUS FOR COMPUTER DISK DRIVES
25
Patent #:
5793718
Issue Dt:
08/11/1998
Application #:
08627716
Filing Dt:
04/01/1996
Title:
ACTIVE TRACKING SYSTEM FOR OPTICAL DISK STORAGE
26
Patent #:
5715424
Issue Dt:
02/03/1998
Application #:
08763876
Filing Dt:
12/11/1996
Title:
APPARATUS AND METHOD FOR WRITING DATA ONTO REWRITABLE OPTICAL MEDIA
27
Patent #:
6119201
Issue Dt:
09/12/2000
Application #:
08801337
Filing Dt:
02/19/1997
Title:
DISK UNDER-RUN PROTECTION USING FORMATTED PADDING SECTORS
28
Patent #:
5936919
Issue Dt:
08/10/1999
Application #:
08803549
Filing Dt:
02/20/1997
Title:
SYSTEM FOR COMPENSATING FOR HARD SECTOR NOISE DEGRADATION OF TRACKING ERROR SIGNALS IN AN OPTICAL DATA STORAGE SYSTEM
29
Patent #:
5802031
Issue Dt:
09/01/1998
Application #:
08972467
Filing Dt:
11/18/1997
Title:
PROGRAMMABLE PPM/PWM WRITING SYSTEM FOR OPTICAL DISK
30
Patent #:
6118745
Issue Dt:
09/12/2000
Application #:
09013058
Filing Dt:
01/26/1998
Title:
ACQUISITION OF HIGHLY VARIABLE DATA FREQUENCY BY DIGITAL EDGE PROCESSING
31
Patent #:
6088308
Issue Dt:
07/11/2000
Application #:
09023550
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, A TRACKING CIRCUIT FOR PROVIDING POSITIONING INFORMATION
32
Patent #:
6049512
Issue Dt:
04/11/2000
Application #:
09023722
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, AN APPARATUS FOR TWO-SIDED WRITING
33
Patent #:
6034929
Issue Dt:
03/07/2000
Application #:
09023732
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, A METHOD FOR MULTI-LAYER LASER SOURCE POSITIONING
34
Patent #:
6097681
Issue Dt:
08/01/2000
Application #:
09023812
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, AN APPARATUS FOR DETERMINING ANGULAR POSITION, THETA
35
Patent #:
6088306
Issue Dt:
07/11/2000
Application #:
09023888
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, AN APPARATUS FOR COMBINED WRITING AND READING OPERATIONS
36
Patent #:
6097677
Issue Dt:
08/01/2000
Application #:
09023914
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, A METHOD FOR COMBINED WRITING AND READING OPERATIONS
37
Patent #:
6128262
Issue Dt:
10/03/2000
Application #:
09023917
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, A METHOD FOR CUSTOMIZING SAID MEDIA WITH TIMING INFORMATION
38
Patent #:
6081489
Issue Dt:
06/27/2000
Application #:
09023920
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, AN APPARATUS FOR PERFORMING BOTH READ AND WRITE OPERATIONS
39
Patent #:
5872723
Issue Dt:
02/16/1999
Application #:
09023935
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA AN APPARATUS FOR DETERMINING DRIVE MECHANISM AGING CHARACTERISTICS
40
Patent #:
6111830
Issue Dt:
08/29/2000
Application #:
09023943
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, AN APPARATUS FOR DETERMINING LINEAR AND/OR ANGULAR VELOCITY
41
Patent #:
6118740
Issue Dt:
09/12/2000
Application #:
09023972
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, A METHOD FOR WRITING CLOSELY SPACED INFORMATION TRACKS
42
Patent #:
6081487
Issue Dt:
06/27/2000
Application #:
09024519
Filing Dt:
02/13/1998
Title:
IN A SYSTEM FOR CREATING, READING AND WRITING ON ROTATABLE INFORMATION STORAGE MEDIA, AN APPARATUS FOR CONTROLLING LASER POSITIONING
43
Patent #:
6233213
Issue Dt:
05/15/2001
Application #:
09197484
Filing Dt:
11/20/1998
Title:
METHOD OF CONVERTING BITS OF OPTICAL DISK, DEMODULATING METHOD AND APPARATUS
44
Patent #:
6052345
Issue Dt:
04/18/2000
Application #:
09261927
Filing Dt:
03/03/1999
Title:
SYSTEM FOR COMPENSATING FOR HARD SECTOR NOISE DEGRADATION OF TRACKING ERROR SIGNALS IN AN OPTICAL DATA STORAGE SYSTEM
45
Patent #:
6250550
Issue Dt:
06/26/2001
Application #:
09333079
Filing Dt:
06/14/1999
Title:
AUTOMATED MEDIA STORAGE LIBRARY WITH VARIABLE FOCAL LENGTH LENS
46
Patent #:
6421807
Issue Dt:
07/16/2002
Application #:
09343946
Filing Dt:
06/30/1999
Title:
DECODING APPARATUS, PROCESSING APPARATUS AND METHODS THEREFOR
47
Patent #:
6421309
Issue Dt:
07/16/2002
Application #:
09388751
Filing Dt:
09/02/1999
Title:
APPARATUS AND METHOD FOR DETECTING MAXIMUM MARK LENGHTS
48
Patent #:
6317809
Issue Dt:
11/13/2001
Application #:
09431065
Filing Dt:
11/01/1999
Title:
OPTICAL DISK UNDER-RUN PROTECTION
49
Patent #:
6279136
Issue Dt:
08/21/2001
Application #:
09432386
Filing Dt:
11/01/1999
Title:
ERROR CORRECTION CODE SYSTEM WHICH INHIBITS THE TRANSFER OF PADDED SECTORS
50
Patent #:
6629197
Issue Dt:
09/30/2003
Application #:
09704570
Filing Dt:
11/03/2000
Title:
METHOD AND SYSTEM FOR STORING DIGITAL AUDIO DATA AND EMULATING MULTIPLE CD-CHANGER UNITS
51
Patent #:
6745340
Issue Dt:
06/01/2004
Application #:
09758814
Filing Dt:
01/11/2001
Title:
METHOD AND SYSTEM FOR RECOVERING DATA FROM AN OPTICAL WRITE ONCE READ MANY (WORM) MEDIUM WITH BOTH DIRECTORY ENTRIES DAMAGED
52
Patent #:
6347742
Issue Dt:
02/19/2002
Application #:
09761212
Filing Dt:
01/16/2001
Publication #:
US20010002033
Pub Dt:
05/31/2001
Title:
VARIABLE FOCAL LENGTH LENSES
53
Patent #:
6370098
Issue Dt:
04/09/2002
Application #:
09791174
Filing Dt:
02/21/2001
Publication #:
US20010038593
Pub Dt:
11/08/2001
Title:
Method of converting bits of optical disk, demodulating method and apparatus
54
Patent #:
6348883
Issue Dt:
02/19/2002
Application #:
09791280
Filing Dt:
02/21/2001
Publication #:
US20010030614
Pub Dt:
10/18/2001
Title:
Method of converting bits of optical disk, demodulating method and apparatus
55
Patent #:
6847601
Issue Dt:
01/25/2005
Application #:
09921837
Filing Dt:
08/03/2001
Publication #:
US20020021645
Pub Dt:
02/21/2002
Title:
DATA RECOVERY APPARATUS AND METHOD
Assignor
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
Exec Dt:
09/30/2005
Assignee
1
MEDIATEK INC.
1-2 INNOVATION ROAD 1
SCIENCE-BASED INDUSTRIAL PARK
HSIN-CHU CITY, TAIWAN R.O.C. 300
Correspondence name and address
ANDREW D. FORTNEY
LAW OFFICES OF ANDREW D. FORTNEY, PHD PC
7257 N. MAPLE AVE., SUITE 107
FROSNO, CA 93720

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