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Hiroji Itoh
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Zama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Pressure sensitive writing tablet, control method and control progr...
Patent number
6,788,297
Issue date
Sep 7, 2004
International Business Machines Corporation
Hiroji Itoh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Drive unit of liquid crystal display and drive method of liquid cry...
Patent number
5,900,854
Issue date
May 4, 1999
International Business Machines Corporation
Hiroji Itoh
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
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Patent Application
Pressure sensitive writing tablet, control method and control progr...
Publication number
20020113779
Publication date
Aug 22, 2002
International Business Machines Corporation
Hiroji Itoh
G06 - COMPUTING CALCULATING COUNTING