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Kiyohiro Uehara
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Yokohama, JP
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last 30 patents
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Patent Grant
Liquid crystal display device with cut-out portions in lead electro...
Patent number
5,067,796
Issue date
Nov 26, 1991
Ricoh Company, Ltd.
Takumi Suzuki
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
5,011,266
Issue date
Apr 30, 1991
Ricoh Company, Ltd.
Takumi Suzuki
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
4,930,876
Issue date
Jun 5, 1990
Ricoh Company, Ltd.
Takumi Suzuki
G02 - OPTICS
Information
Patent Grant
Process of making a liquid crystal element
Patent number
4,921,728
Issue date
May 1, 1990
Ricoh Company, Ltd.
Yasuyuki Takiguchi
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
4,896,946
Issue date
Jan 30, 1990
Ricoh Company, Ltd.
Takumi Suzuki
G02 - OPTICS
Information
Patent Grant
Liquid crystal color display device
Patent number
4,793,691
Issue date
Dec 27, 1988
Ricoh Company, Ltd.
Takamichi Enomoto
G02 - OPTICS
Information
Patent Grant
Liquid crystal color display device
Patent number
4,772,885
Issue date
Sep 20, 1988
Ricoh Company, Ltd.
Kiyohiro Uehara
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal color display device
Patent number
4,678,285
Issue date
Jul 7, 1987
Ricoh Company, Ltd.
Wasaburo Ohta
G02 - OPTICS
Information
Patent Grant
Method of manufacturing liquid crystal display unit
Patent number
4,654,965
Issue date
Apr 7, 1987
Ricoh Company, Ltd.
Kiyohiro Uehara
G02 - OPTICS