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Katsumi Yamamoto
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Kokubunji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Disk device and method of generating signal representing head
Patent number
7,430,085
Issue date
Sep 30, 2008
Hitachi Global Storage Technologies Japan, Ltd.
Motoyasu Tsunoda
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk device and method of generating signal representing head
Patent number
7,139,143
Issue date
Nov 21, 2006
Hitachi, Ltd.
Motoyasu Tsunoda
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk device and method of generating signal representing head
Patent number
6,563,656
Issue date
May 13, 2003
Hitachi, Ltd.
Motoyasu Tsunoda
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk device and method of generating signal representing head
Patent number
6,445,522
Issue date
Sep 3, 2002
Hitachi, Ltd.
Motoyasu Tsunoda
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal processing apparatus and a disk control apparatus, with head...
Patent number
6,172,828
Issue date
Jan 9, 2001
Hitachi, Ltd.
Motoyasu Tsunoda
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Disk device and method of generating signal representing head
Publication number
20060285238
Publication date
Dec 21, 2006
Motoyasu Tsunoda
G11 - INFORMATION STORAGE
Information
Patent Application
Disk device and method of generating signal re
Publication number
20030179479
Publication date
Sep 25, 2003
Hitachi, Ltd.
Motoyasu Tsunoda
G11 - INFORMATION STORAGE
Information
Patent Application
Disk device and method of generating signal representing head
Publication number
20020196570
Publication date
Dec 26, 2002
Hitachi, Ltd.
Motoyasu Tsunoda
G11 - INFORMATION STORAGE