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Nobuhiro Kuwamura
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Odawara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for setting zone format of a disk for storing data and disk...
Patent number
8,098,448
Issue date
Jan 17, 2012
Hitachi Global Storage Technologies, Netherlands B.V.
Yoshihiko Maeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive device and data rewrite method thereof
Patent number
8,068,299
Issue date
Nov 29, 2011
Hitachi Global Storage Technologies, Netherlands B.V.
Toshihiko Tsunokawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Device and method for specifying control value for controlling clea...
Patent number
7,852,594
Issue date
Dec 14, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Yoshihiko Maeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Write-current control chip and magnetic disk drive using the same
Patent number
7,483,230
Issue date
Jan 27, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Nobuhiro Kuwamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for preventing data loss due to repeated writes to a given t...
Patent number
7,177,979
Issue date
Feb 13, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Nobuhiro Kuwamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive and method of controlling the same
Patent number
6,927,931
Issue date
Aug 9, 2005
Hitachi Global Storage Technologies Japan, Ltd.
Hiroshi Harata
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage device and error correction method thereof
Patent number
6,920,599
Issue date
Jul 19, 2005
Hitachi Global Storage Technologies Japan, Ltd.
Nobuhiro Kuwamura
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR SETTING ZONE FORMAT OF A DISK FOR STORING DATA AND DISK...
Publication number
20110085259
Publication date
Apr 14, 2011
Yoshihiko MAEDA
G11 - INFORMATION STORAGE
Information
Patent Application
Device and method for specifying control value for controlling clea...
Publication number
20090296260
Publication date
Dec 3, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Yoshihiko Maeda
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive device and data rewrite method thereof
Publication number
20080239901
Publication date
Oct 2, 2008
Toshihiko Tsunokawa
G11 - INFORMATION STORAGE
Information
Patent Application
Write-current control chip and magnetic disk drive using the same
Publication number
20060198041
Publication date
Sep 7, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Nobuhiro Kuwamura
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk drive and method of controlling the same
Publication number
20040223250
Publication date
Nov 11, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Hiroshi Harata
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk drive
Publication number
20040193798
Publication date
Sep 30, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Nobuhiro Kuwamura
G11 - INFORMATION STORAGE
Information
Patent Application
Storage device and error correction method thereof
Publication number
20030066017
Publication date
Apr 3, 2003
Nobuhiro Kuwamura
G11 - INFORMATION STORAGE