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Isamu Tomita
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic disk device, servo-information writing device, magnetic di...
Patent number
7,561,371
Issue date
Jul 14, 2009
Fujitsu Limited
Kazunori Mori
G11 - INFORMATION STORAGE
Information
Patent Grant
Control circuit for information storage device
Patent number
7,522,364
Issue date
Apr 21, 2009
Fujitsu Limited
Ryuki Kubohara
G11 - INFORMATION STORAGE
Information
Patent Grant
Control device, control method, and storage apparatus for controlli...
Patent number
7,492,543
Issue date
Feb 17, 2009
Fujitsu Limited
Nobuyuki Mitsunaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Seek control apparatus, seek control method and storage apparatus
Patent number
7,420,765
Issue date
Sep 2, 2008
Fujitsu Limited
Tomoaki Saito
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for recording or/and reproducing information and method f...
Patent number
7,289,287
Issue date
Oct 30, 2007
Fujitsu Limited
Kouhei Takamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording apparatus having discoid record mediums
Patent number
7,196,865
Issue date
Mar 27, 2007
Fujitsu Limited
Kazunori Mori
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk device
Patent number
7,136,245
Issue date
Nov 14, 2006
Fujitsu Limited
Kazunori Mori
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage apparatus and storage medium
Patent number
7,050,250
Issue date
May 23, 2006
Fujitsu Limited
Tatsuhiko Kosugi
G11 - INFORMATION STORAGE
Information
Patent Grant
Head control method and recording apparatus
Patent number
7,002,769
Issue date
Feb 21, 2006
Fujitsu Limited
Yoshiyuki Kagami
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive device and access sequence therefor
Patent number
6,690,538
Issue date
Feb 10, 2004
Fujitsu Limited
Tomoaki Saito
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for recognizing spin valve head failure due to pin layer...
Patent number
6,295,175
Issue date
Sep 25, 2001
Fujitsu Limited
Isamu Tomita
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Head IC and recording apparatus
Patent number
6,219,722
Issue date
Apr 17, 2001
Fujitsu Limited
Isamu Tomita
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive with a disk medium defect detector and read cha...
Patent number
6,175,459
Issue date
Jan 16, 2001
Fujitsu Limited
Isamu Tomita
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermal asperity detection method, thermal asperity compensation me...
Patent number
6,130,793
Issue date
Oct 10, 2000
Fujitsu Limited
Hideki Ohmori
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo pattern writing method for magnetic disk drives, and magnetic...
Patent number
6,064,541
Issue date
May 16, 2000
Fujitsu Limited
Tatsuro Sasamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Off-track correcting method of disk apparatus and a disk apparatus...
Patent number
5,926,337
Issue date
Jul 20, 1999
Fujitsu Limited
Kenji Itou
G11 - INFORMATION STORAGE
Information
Patent Grant
Position sunsitivity adjusting method for disk apparatus and a disk...
Patent number
5,907,449
Issue date
May 25, 1999
Fujitsu Limited
Kenji Itou
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for reliably positioning a head in a disk drive to a guard b...
Patent number
5,903,411
Issue date
May 11, 1999
Fujitsu Limited
Isamu Tomita
G11 - INFORMATION STORAGE
Information
Patent Grant
Head position error compensation in disk drives
Patent number
5,805,373
Issue date
Sep 8, 1998
Fujitsu Limited
Takeyori Hara
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive unit with complex magnetic head of variable rea...
Patent number
5,754,354
Issue date
May 19, 1998
Fujitsu Limited
Isamu Tomita
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage system having a data storage apparatus connectable to...
Patent number
5,721,838
Issue date
Feb 24, 1998
Fujitsu Limited
Tsuyoshi Takahashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data storage system having plural external storage units capable of...
Patent number
5,625,777
Issue date
Apr 29, 1997
Fujitsu Limited
Tsuyoshi Takahashi
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION STORAGE APPARATUS
Publication number
20090296263
Publication date
Dec 3, 2009
Fujitsu Limited
Takashi Kida
G11 - INFORMATION STORAGE
Information
Patent Application
SERVO INFORMATION CORRECTING METHOD
Publication number
20090290253
Publication date
Nov 26, 2009
Fujitsu Limited
Isamu Tomita
G11 - INFORMATION STORAGE
Information
Patent Application
SENSOR DETACHMENT DETECTION CIRCUIT, SENSOR DETACHMENT DETECTION ME...
Publication number
20090245057
Publication date
Oct 1, 2009
FUJITSU LIMITED
Susumu YOSHIDA
G11 - INFORMATION STORAGE
Information
Patent Application
Control device, control method, and storage apparatus
Publication number
20080100950
Publication date
May 1, 2008
Fujitsu Limited
Nobuyuki Mitsunaga
G11 - INFORMATION STORAGE
Information
Patent Application
Seek control apparatus, seek control method and storage apparatus
Publication number
20080013204
Publication date
Jan 17, 2008
FUJITSU LIMITED
Tomoaki Saito
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk device, servo-information writing device, magnetic di...
Publication number
20070279796
Publication date
Dec 6, 2007
FUJITSU LIMITED
Kazunori Mori
G11 - INFORMATION STORAGE
Information
Patent Application
Control circuit for information storage device
Publication number
20060280485
Publication date
Dec 14, 2006
FUJITSU LIMITED
Ryuki Kubohara
G11 - INFORMATION STORAGE
Information
Patent Application
Disk device
Publication number
20050190480
Publication date
Sep 1, 2005
FUJITSU LIMITED
Kazunori Mori
G11 - INFORMATION STORAGE
Information
Patent Application
Recording apparatus having discoid record mediums
Publication number
20050088775
Publication date
Apr 28, 2005
FUJITSU LIMITED
Kazunori Mori
G11 - INFORMATION STORAGE
Information
Patent Application
Head control method and recording apparatus
Publication number
20050041322
Publication date
Feb 24, 2005
FUJITSU LIMITED
Yoshiyuki Kagami
G11 - INFORMATION STORAGE
Information
Patent Application
Storage apparatus and storage medium
Publication number
20040223247
Publication date
Nov 11, 2004
FUJITSU LIMITED
Tatsuhiko Kosugi
G11 - INFORMATION STORAGE
Information
Patent Application
Apparatus for recording or/and reproducing information and method f...
Publication number
20030133216
Publication date
Jul 17, 2003
FUJITSU LIMITED
Kouhei Takamatsu
G11 - INFORMATION STORAGE