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Kenji Tokumitsu
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Odawara, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for recording information, apparatus for recording informati...
Patent number
6,522,612
Issue date
Feb 18, 2003
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for recording information, apparatus for recording informati...
Patent number
6,456,579
Issue date
Sep 24, 2002
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage apparatus using removable media and its read/write control...
Patent number
6,404,707
Issue date
Jun 11, 2002
Hitachi, Ltd.
Yasunori Kaneda
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of controlling recording information on an optical disk usin...
Patent number
5,745,444
Issue date
Apr 28, 1998
Hitachi, Ltd.
Norimoto Ichikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording and reproducing apparatus for controlling a laser...
Patent number
5,513,166
Issue date
Apr 30, 1996
Hitachi, Ltd.
Kenji Tokumitsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording control system reusing a defective area
Patent number
4,833,665
Issue date
May 23, 1989
Hitachi, Ltd.
Kenji Tokumitsu
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Recording times restricted recording media and recording control me...
Publication number
20020150009
Publication date
Oct 17, 2002
Hitachi, Ltd
Kenji Tokumitsu
G11 - INFORMATION STORAGE
Information
Patent Application
Method for recording information, apparatus for recording informati...
Publication number
20020031074
Publication date
Mar 14, 2002
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE