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Mito, JP
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Patents Grants
last 30 patents
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Patent Grant
Information recording apparatus and information recording method
Patent number
7,424,200
Issue date
Sep 9, 2008
Hitachi, Ltd.
Hideo Nishijima
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of authenticating disk management information and disk device
Patent number
7,196,995
Issue date
Mar 27, 2007
Hitachi, Ltd.
Tatsuya Ishitobi
G11 - INFORMATION STORAGE
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Patent Grant
Speed control apparatus of movable equipment
Patent number
4,980,617
Issue date
Dec 25, 1990
Hitachi, Ltd.
Fumio Tajima
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
Information Recording Apparatus and Information Recording Method
Publication number
20090003160
Publication date
Jan 1, 2009
Hitachi, Ltd
Hideo Nishijima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Method of authenticating disk management information and disk device
Publication number
20040184377
Publication date
Sep 23, 2004
Hitachi, Ltd
Tatsuya Ishitobi
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording apparatus and information recording method
Publication number
20030058352
Publication date
Mar 27, 2003
Hitachi, Ltd
Hideo Nishijima
G11 - INFORMATION STORAGE