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Nobuyoshi Matsuyama
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Process for manufacturing light valve device using semiconductive c...
Patent number
5,728,591
Issue date
Mar 17, 1998
Seiko Instruments Inc.
Kunihiro Takahashi
G02 - OPTICS
Information
Patent Grant
Method of making light valve device using semiconductive composite...
Patent number
5,618,739
Issue date
Apr 8, 1997
Seiko Instruments Inc.
Kunihiro Takahashi
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method of making semiconductor device with multiple transparent layers
Patent number
5,585,304
Issue date
Dec 17, 1996
Agency Industrial Science
Yutaka Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light valve device using semiconductive composite substrate
Patent number
5,572,045
Issue date
Nov 5, 1996
Seiko Instruments Inc.
Kunihiro Takahashi
G02 - OPTICS
Information
Patent Grant
Light valve device using semiconductive composite substrate
Patent number
5,486,708
Issue date
Jan 23, 1996
Seiko Instruments Inc.
Kunihiro Takahashi
G02 - OPTICS
Information
Patent Grant
Light valve device using semiconductive composite substrate
Patent number
5,347,154
Issue date
Sep 13, 1994
Seiko Instruments Inc.
Kunihiro Takahashi
G02 - OPTICS
Information
Patent Grant
Tuning fork type quartz crystal resonator with variable width base
Patent number
4,540,909
Issue date
Sep 10, 1985
Seiko Instruments & Electronics Ltd.
Kunihiro Takahashi
H03 - BASIC ELECTRONIC CIRCUITRY