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Yasuhiro Kida
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Hitachi, JP
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last 30 patents
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Patent Grant
Photo-electric converting device
Patent number
4,916,503
Issue date
Apr 10, 1990
Hitachi, Ltd.
Tsuyoshi Uematsu
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method of making light-receiving diode
Patent number
4,758,525
Issue date
Jul 19, 1988
Hitachi, Ltd.
Yasuhiro Kida
H01 - BASIC ELECTRIC ELEMENTS