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Shigeru Kameda
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Takarazuka-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Information registration method and document information processing...
Patent number
6,490,583
Issue date
Dec 3, 2002
Hitachi, Ltd.
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Information registration method and document information processing...
Patent number
6,334,130
Issue date
Dec 25, 2001
Hitachi, Ltd.
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Information registration method and document information processing...
Patent number
6,178,422
Issue date
Jan 23, 2001
Hitachi, Ltd.
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document management system integrating an environment for executing...
Patent number
5,887,171
Issue date
Mar 23, 1999
Hitachi, Ltd.
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
Information registration method and document information processing...
Publication number
20010056421
Publication date
Dec 27, 2001
Hitachi, Ltd.
Katsumi Tada
G06 - COMPUTING CALCULATING COUNTING