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Akihiko Hiroe
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Hyogo, JP
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last 30 patents
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Patent Grant
Amorphous semiconductor, amorphous semiconductor device using hydro...
Patent number
5,264,710
Issue date
Nov 23, 1993
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Hideo Yamagishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Photoelectric conversion device with voltage source means
Patent number
5,068,526
Issue date
Nov 26, 1991
Ricoh Company, Ltd.
Akihiko Hiroe
G01 - MEASURING TESTING
Information
Patent Grant
Semiconductor pin device with interlayer or dopant gradient
Patent number
5,032,884
Issue date
Jul 16, 1991
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Hideo Yamagishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shift register circuit
Patent number
5,027,382
Issue date
Jun 25, 1991
Ricoh Company, Ltd.
Akihiko Hiroe
G11 - INFORMATION STORAGE
Information
Patent Grant
Color sensor having laminated semiconductor layers
Patent number
5,015,838
Issue date
May 14, 1991
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Hideo Yamagishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multiple junction solar power generation cells
Patent number
4,926,230
Issue date
May 15, 1990
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Hideo Yamagishi
H01 - BASIC ELECTRIC ELEMENTS