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Tatsuharu Kusumoto
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Higashiyamato-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Disk drive for quickly retracting head to retract area, and emergen...
Patent number
7,206,158
Issue date
Apr 17, 2007
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for positioning head at target position on disk
Patent number
7,019,939
Issue date
Mar 28, 2006
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Calibration method for use in head loading/unloading type disk appa...
Patent number
6,922,302
Issue date
Jul 26, 2005
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo system with learning function for achieving servo compensatio...
Patent number
6,894,862
Issue date
May 17, 2005
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk storage apparatus and head load control method
Patent number
6,765,742
Issue date
Jul 20, 2004
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus employed in disk drive for retracting head whe...
Patent number
6,765,746
Issue date
Jul 20, 2004
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo system with runout compensation for disk drive
Patent number
6,760,183
Issue date
Jul 6, 2004
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Calibration method for use in head loading/unloading type disk appa...
Patent number
6,661,598
Issue date
Dec 9, 2003
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo system with learning function for achieving servo compensatio...
Patent number
6,650,499
Issue date
Nov 18, 2003
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for retracting the head on power down in a dis...
Patent number
6,594,102
Issue date
Jul 15, 2003
Kabushiki Kaisha Toshiba
Hiroyuki Kanda
G11 - INFORMATION STORAGE
Information
Patent Grant
Calibration method for use in head loading/unloading type disk appa...
Patent number
6,496,319
Issue date
Dec 17, 2002
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Head positioning control system for use in a disk storage drive
Patent number
6,175,465
Issue date
Jan 16, 2001
Kabushiki Kaisha Toshiba
Hidetoshi Kawachi
G11 - INFORMATION STORAGE
Information
Patent Grant
Head positioning control system for use in a disk storage system
Patent number
5,801,897
Issue date
Sep 1, 1998
Kabushiki Kaisha Toshiba
Hiroyuki Kanda
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
DISK DRIVE INSTALLED IN PORTABLE ELECTRONIC DEVICE, AND METHOD OF U...
Publication number
20090015961
Publication date
Jan 15, 2009
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive for quickly retracting head to retract area, and emergen...
Publication number
20050264914
Publication date
Dec 1, 2005
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Apparatus and method for positioning head at target position on disk
Publication number
20040136109
Publication date
Jul 15, 2004
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Calibration method for use in head loading/unloading type disk appa...
Publication number
20040047064
Publication date
Mar 11, 2004
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Servo system with learning function for achieving servo compensatio...
Publication number
20040042114
Publication date
Mar 4, 2004
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for loading head onto disk medium from ramp in...
Publication number
20030117741
Publication date
Jun 26, 2003
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Calibration method for use in head loading/unloading type disk appa...
Publication number
20030002196
Publication date
Jan 2, 2003
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus employed in disk drive for retracting head whe...
Publication number
20020141102
Publication date
Oct 3, 2002
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Servo system with runout compensation for disk drive
Publication number
20020034037
Publication date
Mar 21, 2002
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE
Information
Patent Application
Disk storage apparatus and head load control method
Publication number
20010026415
Publication date
Oct 4, 2001
Kabushiki Kaisha Toshiba
Tatsuharu Kusumoto
G11 - INFORMATION STORAGE