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Masakatsu Kai
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Yokahama, JP
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last 30 patents
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Patent Grant
Method and apparatus for controlling photointensity and/or luminous...
Patent number
6,265,708
Issue date
Jul 24, 2001
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Norio Tanaka
G02 - OPTICS
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Patent Grant
Reflective optical rotary encoder disc
Patent number
5,006,703
Issue date
Apr 9, 1991
Victor Company of Japan, Ltd.
Juichi Shikunami
G01 - MEASURING TESTING
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Patent Grant
Detection system with an optical encoder to optically detect displa...
Patent number
4,929,822
Issue date
May 29, 1990
Victor Company of Japan, Ltd.
Nobuaki Nakamura
G01 - MEASURING TESTING