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Eiichi Hara
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Chigasaki, JP
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last 30 patents
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Patent Grant
Method and apparatus for correcting an image signal
Patent number
5,130,822
Issue date
Jul 14, 1992
Hitachi, Ltd.
Tatsuya Nagata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Line image sensor with controlled photosensitivity
Patent number
4,996,438
Issue date
Feb 26, 1991
Hitachi, Ltd.
Tatsuya Nagata
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Facsimile equipment with direct-contact-type image sensor
Patent number
4,977,313
Issue date
Dec 11, 1990
Hitachi, Ltd.
Tatsuya Nagata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Direct-contact-type image sensor and image sensor assembly
Patent number
4,940,888
Issue date
Jul 10, 1990
Hitachi, Ltd.
Tatsuya Nagata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photoelectric converter on a transmissive substrate having light sh...
Patent number
4,446,364
Issue date
May 1, 1984
Hitachi, Ltd.
Seiichi Hayashi
G06 - COMPUTING CALCULATING COUNTING