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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:011111/0459   Pages: 4
Recorded: 08/01/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 126
Page 1 of 2
Pages: 1 2
1
Patent #:
Issue Dt:
02/05/1985
Application #:
06280127
Filing Dt:
07/02/1981
Title:
METHOD AND APPARATUS FOR NORMALIZING SERVO-POSITIONING SIGNALS
2
Patent #:
Issue Dt:
07/24/1984
Application #:
06280137
Filing Dt:
07/02/1981
Title:
METHOD FOR CONTROLLING A DISC HEAD
3
Patent #:
Issue Dt:
09/18/1984
Application #:
06280138
Filing Dt:
07/02/1981
Title:
DATA RECORD WITH PRE-RECORDED TRANSDUCER POSITIONING SIGNALS, AND SYSTEM FOR UTILIZING SAME
4
Patent #:
Issue Dt:
08/28/1984
Application #:
06280139
Filing Dt:
07/02/1981
Title:
POSITIONER APPARATUS FOR TAPE RECORDER HEADS
5
Patent #:
Issue Dt:
11/08/1983
Application #:
06309573
Filing Dt:
10/08/1981
Title:
STREAMING CARTRIDGE TAPE DRIVE
6
Patent #:
Issue Dt:
08/14/1984
Application #:
06333309
Filing Dt:
12/22/1981
Title:
DIGITAL TAPE ERASURE CONDITIONING SYSTEM
7
Patent #:
Issue Dt:
02/05/1985
Application #:
06360696
Filing Dt:
03/22/1982
Title:
TAPE CARTRIDGE RECEPTACLE
8
Patent #:
Issue Dt:
07/10/1984
Application #:
06369564
Filing Dt:
04/19/1982
Title:
DISK CARTRIDGE
9
Patent #:
Issue Dt:
02/19/1985
Application #:
06385082
Filing Dt:
06/04/1982
Title:
CAPSTANLESS MAGNETIC TAPE DRIVE WITH ELECTRONIC EQUIVALENT TO LENGTH OF TAPE
10
Patent #:
Issue Dt:
02/25/1986
Application #:
06441762
Filing Dt:
11/15/1982
Title:
CARTRIDGE TAPE DRIVE
11
Patent #:
Issue Dt:
09/10/1985
Application #:
06444712
Filing Dt:
11/26/1982
Title:
RECORDING SYSTEM FOR RECORDING DATA ON TAPE IN A DISK-RECORDING FORMAT
12
Patent #:
Issue Dt:
12/17/1985
Application #:
06444834
Filing Dt:
11/26/1982
Title:
TAPE CARTRIDGE DRIVE WITH MOVABLE READ/WRITE HEAD
13
Patent #:
Issue Dt:
10/15/1985
Application #:
06542050
Filing Dt:
10/14/1983
Title:
METHOD OF ATTACHING ELECTRICAL CONDUCTORS TO THIN FILM MAGNETIC TRANSDUCER
14
Patent #:
Issue Dt:
02/18/1986
Application #:
06542051
Filing Dt:
10/14/1983
Title:
METHOD OF MANUFACTURING A MAGNETIC HEAD ASSEMBLY AND PRODUCT
15
Patent #:
Issue Dt:
10/30/1990
Application #:
06542052
Filing Dt:
10/14/1983
Title:
MAGNETIC HEAD ASSEMBLY HAVING A TRANSVERSE GUIDING SURFACE FORMED OF A MIXTURE OF ALUMINUM OXIDE AND TITANIUM CARBIDE
16
Patent #:
Issue Dt:
11/20/1990
Application #:
06542100
Filing Dt:
10/14/1983
Title:
READ WHILE WRITE MAGNETIC HEAD ASSEMBLY
17
Patent #:
Issue Dt:
12/03/1985
Application #:
06555373
Filing Dt:
11/28/1983
Title:
TAPE CARTRIDGE DRIVE WITH CARTRIDGE DOOR OPENING MECHANISM
18
Patent #:
Issue Dt:
04/29/1986
Application #:
06589007
Filing Dt:
03/13/1984
Title:
METHOD AND APPARATUS FOR PRE-RECORDING TRACKING INFORMATION ON MAGNETIC MEDIA
19
Patent #:
Issue Dt:
03/03/1987
Application #:
06589146
Filing Dt:
03/13/1984
Title:
MINIATURIZED CARTRIDGE-TYPE TAPE DRIVE FOR DATA PROCESSORS
20
Patent #:
Issue Dt:
02/17/1987
Application #:
06594940
Filing Dt:
03/29/1984
Title:
CIRCUIT AND METHODOLOGY FOR READING AND TRACKING BINARY DATA FROM MAGNETIC TAPE INDEPENDENTLY OF THE DATA PATTERN ON THE TAPE
21
Patent #:
Issue Dt:
02/24/1987
Application #:
06597012
Filing Dt:
04/05/1984
Title:
METHOD AND APPARATUS FOR POSITIONING TRANSDUCERS BY DIGITAL CONVERSION OF ANALOG-TYPE SIGNALS
22
Patent #:
Issue Dt:
09/02/1986
Application #:
06614519
Filing Dt:
05/29/1984
Title:
A PRECISION BEARING FOR RECIPROCATING A MAGNETIC HEAD
23
Patent #:
Issue Dt:
06/09/1987
Application #:
06794070
Filing Dt:
11/01/1985
Title:
SYSTEM FOR TRANSFERRING DIGITAL DATA BETWEEN A HOST DEVICE AND A RECORDING MEDIUM
24
Patent #:
Issue Dt:
11/03/1987
Application #:
06794503
Filing Dt:
11/01/1985
Title:
TRANSPORT FOR TAPE CARTRIDGE WITH LEADER BLOCK
25
Patent #:
Issue Dt:
01/03/1989
Application #:
06830559
Filing Dt:
02/18/1986
Title:
SYSTEM AND METHOD FOR ENCODING AND STORING DIGITAL INFORMATION ON MAGNETIC TAPE
26
Patent #:
Issue Dt:
06/30/1987
Application #:
06831857
Filing Dt:
02/24/1986
Title:
ENDWISE LOADED CARTRIDGE TAPE DRIVE
27
Patent #:
Issue Dt:
11/15/1988
Application #:
06842739
Filing Dt:
03/24/1986
Title:
CARTRIDGE ALIGNMENT MECHANISM FOR TAPE DRIVE
28
Patent #:
Issue Dt:
05/24/1988
Application #:
06849146
Filing Dt:
04/07/1986
Title:
MAGNETIC HEAD POSITIONING APPARATUS
29
Patent #:
Issue Dt:
01/05/1988
Application #:
06855608
Filing Dt:
04/23/1986
Title:
STEPPING MOTOR EXCITATION SEQUENCES
30
Patent #:
Issue Dt:
04/04/1989
Application #:
06915734
Filing Dt:
10/06/1986
Title:
MAGNETIC TRANSDUCER HEAD STRUCTURE
31
Patent #:
Issue Dt:
06/06/1989
Application #:
06928471
Filing Dt:
11/07/1986
Title:
CIRCUIT FOR CONTROLLING FREQUENCY AND PHASE OF VOLTAGE CONTROLLED OSCILLATOR IN A DATA SMOOTHER FOR A STREAMING CARTRIDGE TAPE DRIVE
32
Patent #:
Issue Dt:
03/28/1989
Application #:
06928472
Filing Dt:
11/07/1986
Title:
CIRCUIT FOR PROVDING A SYMMETRIC CURRENT TO THE HEAD OF A MAGNETIC RECORDING DEVICE
33
Patent #:
Issue Dt:
02/21/1989
Application #:
07009448
Filing Dt:
02/02/1987
Title:
CARTRIDGE TAPE DRIVE
34
Patent #:
Issue Dt:
07/18/1989
Application #:
07036915
Filing Dt:
04/10/1987
Title:
TRANSDUCER HEAD CORE STRUCTURE WITH RECESSED MAGNETIC CLOSURES
35
Patent #:
Issue Dt:
10/03/1989
Application #:
07078911
Filing Dt:
07/28/1987
Title:
THIN FILM MAGNETIC HEAD WITH A LEVELER LAYER
36
Patent #:
Issue Dt:
08/15/1989
Application #:
07152384
Filing Dt:
02/04/1988
Title:
STREAMING TAPE DRIVE WITH DIRECT BLOCK ADDRESSABILITY
37
Patent #:
Issue Dt:
02/28/1989
Application #:
07195408
Filing Dt:
05/16/1988
Title:
TRANSPORT FOR TAPE CARTRIDGE WITH LEADER BLOCK
38
Patent #:
Issue Dt:
03/26/1991
Application #:
07228318
Filing Dt:
08/04/1988
Title:
METHOD AND APPARATUS FOR REMOVING DATA STREAM VARIATIONS
39
Patent #:
Issue Dt:
05/23/1989
Application #:
07239302
Filing Dt:
09/01/1988
Title:
COMPENSATION CIRCUIT FOR NULLIFYING DIFFERENTIAL OFFSET VOLTAGE AND REGULATING COMMON MODE VOLTAGE OF DIFFERENTIAL SIGNALS
40
Patent #:
Issue Dt:
09/04/1990
Application #:
07241090
Filing Dt:
09/06/1988
Title:
MAGNETIC TRANSDUCER HEAD STRUCTURE WITH REDUCED LEAKAGE BETWEEN CORE CIRCUITS
41
Patent #:
Issue Dt:
08/01/1989
Application #:
07244694
Filing Dt:
09/14/1988
Title:
EXTRACTION AND INSERTION MECHANISM FOR A LEADER BLOCK OF A TAPE CARTRIDGE
42
Patent #:
Issue Dt:
03/19/1991
Application #:
07314376
Filing Dt:
02/22/1989
Title:
HEAD-POSITIONER ARM FOR DATA RECORDERS
43
Patent #:
Issue Dt:
09/17/1991
Application #:
07314454
Filing Dt:
02/22/1989
Title:
LEAD SCREW AND FOLLOWER-TYPE HEAD POSITIONER FOR DATA RECORDERS
44
Patent #:
Issue Dt:
06/12/1990
Application #:
07314979
Filing Dt:
02/24/1989
Title:
SELF-ALIGNING TACHOMETER AND METHOD OF MANUFACTURING SAME
45
Patent #:
Issue Dt:
10/08/1991
Application #:
07321915
Filing Dt:
03/10/1989
Title:
METHOD AND APPARATUS FOR SERVO-POSITIONING MOVABLE TRANSDUCER HEADS
46
Patent #:
Issue Dt:
04/28/1992
Application #:
07342985
Filing Dt:
04/25/1989
Title:
STATIONARY HEAD TAPE DRIVE WITH A MOVABLE DOOR OPENING MECHANISM
47
Patent #:
Issue Dt:
05/29/1990
Application #:
07371416
Filing Dt:
06/15/1989
Title:
DRIVE FOR END LOADING AND TRANSVERSELY SHIFTING TAPE CARTRIDGE
48
Patent #:
Issue Dt:
08/21/1990
Application #:
07375400
Filing Dt:
07/03/1989
Title:
TAPE TRANSPORT WITH RIGID ARM THREADER MECHANISM FOR LEADER BLOCK TAPE CARTRIDGE
49
Patent #:
Issue Dt:
02/13/1990
Application #:
07384750
Filing Dt:
07/24/1989
Title:
METHOD OF MAKING A THIN FILM MAGNETIC HEAD WITH A LEVELER LAYER AND SUPERSTRATE
50
Patent #:
Issue Dt:
06/18/1991
Application #:
07405932
Filing Dt:
09/12/1989
Title:
AUTO-LOADING TRANSPORT FOR TAPE CARTRIDGE WITH TAPE ACCESS DOOR AND BELT CAPSTAN ROLLER
51
Patent #:
Issue Dt:
03/19/1991
Application #:
07413479
Filing Dt:
09/27/1989
Title:
METHOD TO COMPENSATE FOR TAPE SLOPE AND HEAD AZIMUTH ERRORS
52
Patent #:
Issue Dt:
10/16/1990
Application #:
07428096
Filing Dt:
10/27/1989
Title:
VARIABLE LOAD MOTOR DRIVE CONTROL
53
Patent #:
Issue Dt:
12/15/1992
Application #:
07428501
Filing Dt:
10/26/1989
Title:
APPARATUS AND METHOD FOR AUTOMATIC WRITE CURRENT CALIBRATION IN A STREAMING TAPE DRIVE
54
Patent #:
Issue Dt:
01/14/1992
Application #:
07433586
Filing Dt:
11/08/1989
Title:
APPARATUS AND METHOD FOR AUTOMATIC ADJUSTMENT OF READ AMPLITUDE THRESHOLD IN A DIGITAL TAPE DRIVE
55
Patent #:
Issue Dt:
09/17/1991
Application #:
07434036
Filing Dt:
11/09/1989
Title:
CARTRIDGE LOADER FOR LOADING EACH OF A PLURALITY OF CARTRIDGES INTO A CARTRIDGE INSERTION SLOT
56
Patent #:
Issue Dt:
12/18/1990
Application #:
07435002
Filing Dt:
11/09/1989
Title:
DATA RANDOMIZING/DE-RANDOMIZING CIRCUIT FOR RANDOMIZING AND DE- RANDOMIZING DATA
57
Patent #:
Issue Dt:
03/31/1992
Application #:
07435008
Filing Dt:
11/09/1989
Title:
TAPE AND MECHANISM PROTECTION METHODS FOR DAT DRIVES
58
Patent #:
Issue Dt:
11/10/1992
Application #:
07436570
Filing Dt:
11/13/1989
Title:
SYSTEM FOR ASSEMBLING PLAYBACK DAT DATA FRAMES USING INDEXED FRAME BUFFER GROUP ACCORDING TO LOGICAL FRAME NUMBERS IN VALID SUBCODE OR FRAME HEADER
59
Patent #:
Issue Dt:
01/26/1993
Application #:
07510548
Filing Dt:
04/18/1990
Title:
METHOD AND APPARATUS FOR ALIGNING CARTRIDGES WITH A CARTRIDGE INSERTION SLOT
60
Patent #:
Issue Dt:
04/09/1991
Application #:
07526490
Filing Dt:
05/21/1990
Title:
TRACK AND HOLD PHASE LOCKED LOOP CIRCUIT
61
Patent #:
Issue Dt:
10/20/1992
Application #:
07531993
Filing Dt:
05/31/1990
Title:
STORAGE MODULE CHANGER FOR A COMPUTER DATA STORAGE DRIVE
62
Patent #:
Issue Dt:
03/30/1993
Application #:
07546025
Filing Dt:
06/29/1990
Title:
APPARATUS FOR ADJUSTING A TAPE HEAD FOR A MAGNETIC TAPE
63
Patent #:
Issue Dt:
08/13/1991
Application #:
07564864
Filing Dt:
07/06/1990
Title:
HEAD POSITIONING ASSEMBLY
64
Patent #:
Issue Dt:
01/14/1992
Application #:
07652134
Filing Dt:
02/07/1991
Title:
METHOD OF MAKING A DUAL STRIPE MAGNETIC HEAD
65
Patent #:
Issue Dt:
10/19/1993
Application #:
07678086
Filing Dt:
03/29/1991
Title:
ADJUSTABLE WRITE EQUALIZATION FOR TAPE DRIVES
66
Patent #:
Issue Dt:
10/12/1993
Application #:
07679668
Filing Dt:
04/03/1991
Title:
RAW ERROR MONITORING AND REPORTING
67
Patent #:
Issue Dt:
06/08/1993
Application #:
07691760
Filing Dt:
04/26/1991
Title:
DEVICE FOR ALIGNING MAGNETIC TAPE TO A READ-WRITE HEAD
68
Patent #:
Issue Dt:
06/16/1992
Application #:
07731285
Filing Dt:
07/16/1991
Title:
ELECTROMAGNETIC HEAD HAVING INTERFERENCE COMPENSATION CIRCUITRY
69
Patent #:
Issue Dt:
11/23/1993
Application #:
07769036
Filing Dt:
09/30/1991
Title:
CASSETTE LOADING SYSTEM
70
Patent #:
Issue Dt:
08/17/1993
Application #:
07771139
Filing Dt:
10/03/1991
Title:
STATIONARY HEAD CARTRIDGE TAPE DRIVE WITH MOVEABLE X-Y TABLE AND METHOD
71
Patent #:
Issue Dt:
05/10/1994
Application #:
07794999
Filing Dt:
11/15/1991
Title:
APPARATUS FOR PRECISE POSITIONING OF A TAPE HEAD AND PROGRAMMING THERE OF
72
Patent #:
Issue Dt:
02/08/1994
Application #:
07815132
Filing Dt:
12/27/1991
Title:
MASS STORAGE AND RETRIEVAL SYSTEM FOR MAGNETIC TAPE CARTRIDGES
73
Patent #:
Issue Dt:
10/26/1993
Application #:
07837728
Filing Dt:
02/19/1992
Title:
OPTICAL ALIGNMENT SYSTEM FOR ALIGNING A MULTIPLE GAP TAPE HEAD ASSEMBLY
74
Patent #:
Issue Dt:
11/30/1993
Application #:
07838187
Filing Dt:
02/18/1992
Title:
ADJUSTABLE WRITE EQUALIZATION FOR TAPE DRIVES
75
Patent #:
Issue Dt:
03/07/1995
Application #:
07855239
Filing Dt:
03/23/1992
Title:
MULTI-TRACK EMBEDDED SERVO RECORDING FORMAT AND METHOD
76
Patent #:
Issue Dt:
03/28/1995
Application #:
07873443
Filing Dt:
04/24/1992
Title:
FIVE AND ONE-QUARTER INCH FORM FACTOR COMBINATION DAT TAPE DRIVE AND CASSETTE MAGAZINE LOADER
77
Patent #:
Issue Dt:
07/02/1996
Application #:
07890029
Filing Dt:
05/28/1992
Title:
DATA STREAM SMOOTHING METHOD AND CIRCUIT FOR A TAPE DRIVE
78
Patent #:
Issue Dt:
01/16/1996
Application #:
07905083
Filing Dt:
06/24/1992
Title:
SYSTEM AND METHOD FOR STORING AND RETRIEVING FILES FOR ARCHIVAL PURPOSES
79
Patent #:
Issue Dt:
12/06/1994
Application #:
07926743
Filing Dt:
08/06/1992
Title:
MECHANISMS FOR A CLOSED LOOP HEAD POSITIONER FOR STREAMING TAPE DRIVES
80
Patent #:
Issue Dt:
07/05/1994
Application #:
07930740
Filing Dt:
08/14/1992
Title:
TAPE FORMAT DETECTION SYSTEM
81
Patent #:
Issue Dt:
03/02/1993
Application #:
07931110
Filing Dt:
08/17/1992
Title:
MECHANISMS FOR A CLOSED LOOP HEAD POSITIONER FOR STREAMING TAPE DRIVES
82
Patent #:
Issue Dt:
02/13/1996
Application #:
07942256
Filing Dt:
09/09/1992
Title:
MAGNETIC HEAD GUIDANCE AND CALIBRATION SYSTEM AND METHOD DESCRIPTION
83
Patent #:
Issue Dt:
07/05/1994
Application #:
07950457
Filing Dt:
09/24/1992
Title:
TAPE DRIVE CAPSTAN MOTOR SERVO SYSTEM WITH STATIC FRICTION COMPENSATION
84
Patent #:
Issue Dt:
01/31/1995
Application #:
07951055
Filing Dt:
09/25/1992
Title:
TARGET MANAGEMENT METHOD FOR DATA BACKUP TO A SHARED TRANSFER STATION, MULTIPLE MEDIA ELEMENT DEVICE
85
Patent #:
Issue Dt:
02/13/1996
Application #:
07951601
Filing Dt:
09/28/1992
Title:
SYSTEM AND METHOD FOR ETHERNET TO SCSI CONVERSION
86
Patent #:
Issue Dt:
09/26/1995
Application #:
07951602
Filing Dt:
09/28/1992
Title:
METHOD OF EMULATING ACCESS TO A SEQUENTIAL ACCESS DATA STORAGE DEVICE WHILE ACTUALLY USING A RANDOM ACCESS STORAGE DEVICE
87
Patent #:
Issue Dt:
06/08/1993
Application #:
07954798
Filing Dt:
09/30/1992
Title:
AUDIO TAPE OPERATION ON A DAT DATA STORAGE DRIVE
88
Patent #:
Issue Dt:
03/28/1995
Application #:
07955103
Filing Dt:
10/01/1992
Title:
CIRCUIT FOR DETERMINING WINDOW MARGIN FOR DATA TRANSITIONS IN A STREAMING DATA DEVICE
89
Patent #:
Issue Dt:
01/10/1995
Application #:
08090972
Filing Dt:
07/13/1993
Title:
METHOD FOR SELF-CLEANING DAT DRIVE TAPE HEADS
90
Patent #:
Issue Dt:
12/17/1996
Application #:
08113996
Filing Dt:
08/30/1993
Title:
ARCUATE SCAN TAPE DRIVE
91
Patent #:
Issue Dt:
10/03/1995
Application #:
08114492
Filing Dt:
08/30/1993
Title:
MULTI-CHANNEL ROTATING TRANSFORMER
92
Patent #:
Issue Dt:
12/20/1994
Application #:
08116047
Filing Dt:
09/02/1993
Title:
APPARATUS FOR TRANSFERRING RAW DATA FROM A MAGNETIC MEDIUM COMPUTER STORAGE DEVICE
93
Patent #:
Issue Dt:
06/04/1996
Application #:
08151068
Filing Dt:
11/12/1993
Title:
PROCESS FOR MANUFACTURING RECORDING HEADS FOR MAGNETIC STORAGE DEVICES
94
Patent #:
Issue Dt:
04/01/1997
Application #:
08195580
Filing Dt:
02/14/1994
Title:
SYSTEM FOR RECORDING TRACK-CENTERING SERVO SIGNALS ON MULTI-TRACK MAGNETIC MEDIUM
95
Patent #:
Issue Dt:
12/31/1996
Application #:
08336981
Filing Dt:
11/10/1994
Title:
BRUSHLESS MOTOR SPEED CONTROL ARRANGEMENT HAVING DERIVED COMMON MODE SUPPLY SIGNAL COMPONENT
96
Patent #:
Issue Dt:
06/24/1997
Application #:
08337803
Filing Dt:
11/14/1994
Title:
ECONOMICAL WIDE RANGE SPEED CONTROL SYSTEM
97
Patent #:
Issue Dt:
02/11/1997
Application #:
08361773
Filing Dt:
12/22/1994
Title:
RECORDING HEAD FOR RECORDING TRACK-CENTERING SERVO SIGNALS ON A MULTI- TRACK RECORDING MEDIUM
98
Patent #:
Issue Dt:
12/03/1996
Application #:
08441604
Filing Dt:
05/15/1995
Title:
BUFFERED INTELLIGENT DIGITAL TAPE CONTROLLER WITH ONBOARD ECC AND FEATURING GLOBAL CONTROL VARIABLES
99
Patent #:
Issue Dt:
04/06/1999
Application #:
08525232
Filing Dt:
09/08/1995
Title:
A METHOD AND AN ARRANGEMENT FOR DETECTING STATE TRANSITIONS IN A READ SIGNAL DURING A BIT CELL TIMING WINDOW
100
Patent #:
Issue Dt:
09/29/1998
Application #:
08547270
Filing Dt:
10/24/1995
Title:
TAPE DRIVE HAVING AN ARCUATE SCANNER AND A METHOD FOR CALIBRATING THE ARCUATE SCANNER
Assignor
1
Exec Dt:
07/28/2000
Assignee
1
920 DISC DRIVE
SCOTTS VALLEY, CALIFORNIA 95066
Correspondence name and address
SEAGATE REMOVABLE STORAGE SOLUTIONS LLC
EDWARD P. HELLER
INTELLECTUAL PROPERTY, SV15B1
920 DISC DRIVE
SCOTTS VALLEY, CA 95066

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