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Katsuki Ueda
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Ome-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Disk drive configured to calculate head rebound distance
Patent number
7,920,353
Issue date
Apr 5, 2011
Kabushiki Kaisha Toshiba
Katsuki Ueda
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for head positioning using spiral servo patter...
Patent number
7,855,850
Issue date
Dec 21, 2010
Kabushiki Kaisha Toshiba
Toshitaka Matsunaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for writing servo data, using spiral servo pat...
Patent number
7,852,593
Issue date
Dec 14, 2010
Kabushiki Kaisha Toshiba
Seiji Mizukoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for positioning head using spiral servo patter...
Patent number
7,804,659
Issue date
Sep 28, 2010
Kabushiki Kaisha Toshiba
Toshitaka Matsunaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for writing spiral servo pattern in a disk drive
Patent number
7,710,682
Issue date
May 4, 2010
Kabushiki Kaisha Toshiba
Seiji Mizukoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for writing servo pattern using spiral pattern...
Patent number
7,675,705
Issue date
Mar 9, 2010
Kabushiki Kaisha Toshiba
Seiji Mizukoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive device and head positioning control method
Patent number
7,639,445
Issue date
Dec 29, 2009
Kabushiki Kaisha Toshiba
Toshitaka Matsunaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for writing spiral servo pattern in a disk drive
Patent number
7,630,161
Issue date
Dec 8, 2009
Kabushiki Kaisha Toshiba
Shouji Nakajima
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for writing servo management information in a...
Patent number
7,538,965
Issue date
May 26, 2009
Kabushiki Kaisha Toshiba
Katsuki Ueda
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for writing servo data in a disk drive using s...
Patent number
7,477,472
Issue date
Jan 13, 2009
Kabushiki Kaisha Toshiba
Hideo Sado
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
DISK DRIVE CONFIGURED TO CALCULATE HEAD REBOUND DISTANCE
Publication number
20100321810
Publication date
Dec 23, 2010
Kabushiki Kaisha Toshiba
Katsuki UEDA
G11 - INFORMATION STORAGE
Information
Patent Application
HEAD POSITION CONTROL DEVICE, MAGNETIC DISK DEVICE, AND HEAD POSITI...
Publication number
20090323215
Publication date
Dec 31, 2009
Kabushiki Kaisha Toshiba
Katsuki UEDA
G11 - INFORMATION STORAGE
Information
Patent Application
DISK DRIVE DEVICE AND HEAD POSITIONING CONTROL METHOD
Publication number
20090168225
Publication date
Jul 2, 2009
Kabushiki Kaisha Toshiba
Toshitaka Matsunaga
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND APPARATUS FOR HEAD POSITIONING USING SPIRAL SERVO PATTER...
Publication number
20090002871
Publication date
Jan 1, 2009
Kabushiki Kaisha Toshiba
Toshitaka Matsunaga
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND APPARATUS FOR POSITIONING HEAD ON DATA TRACK WITH A VARI...
Publication number
20090002872
Publication date
Jan 1, 2009
Kabushiki Kaisha Toshiba
Katsuki Ueda
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND APPARATUS FOR WRITING SERVO DATA, USING SPIRAL SERVO PAT...
Publication number
20090002876
Publication date
Jan 1, 2009
Kabushiki Kaisha Toshiba
Seiji Mizukoshi
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND APPARATUS FOR POSITIONING HEAD USING SPIRAL SERVO PATTER...
Publication number
20080151414
Publication date
Jun 26, 2008
Kabushiki Kaisha Toshiba
Toshitaka Matsunaga
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND APPARATUS FOR WRITING SPIRAL SERVO PATTERN IN A DISK DRIVE
Publication number
20080151409
Publication date
Jun 26, 2008
Kabushiki Kaisha Toshiba
Seiji Mizukoshi
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND APPARATUS FOR WRITING SPIRAL SERVO PATTERN IN A DISK DRIVE
Publication number
20080151412
Publication date
Jun 26, 2008
Kabushiki Kaisha Toshiba
Shouji Nakajima
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND APPARATUS FOR WRITING SERVO PATTERN USING SPIRAL PATTERN...
Publication number
20080151413
Publication date
Jun 26, 2008
Kabushiki Kaisha Toshiba
Seiji Mizukoshi
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for testing servo data on a disk medium in a d...
Publication number
20080137226
Publication date
Jun 12, 2008
Kabushiki Kaisha Toshiba
Katsuki Ueda
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for writing servo data in a disk drive using s...
Publication number
20080130160
Publication date
Jun 5, 2008
Kabushiki Kaisha Toshiba
Hideo Sado
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for writing servo data and positioning head in...
Publication number
20080068740
Publication date
Mar 20, 2008
Kabushiki Kaisha Toshiba
Shinichirou Kouhara
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for writing servo management information in a...
Publication number
20080002278
Publication date
Jan 3, 2008
Kabushiki Kaisha Toshiba
Katsuki Ueda
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for writing a spiral servo pattern on a disk i...
Publication number
20080002279
Publication date
Jan 3, 2008
Kabushiki Kaisha Toshiba
Shinichirou Kouhara
G11 - INFORMATION STORAGE