Hideyo Nishizima

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Numazu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic element comprising alloy of selenium and tellur...
- Patent number 4,626,486
- Issue date Dec 2, 1986
- Ricoh Co., Ltd.
- Hideyo Nishizima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor of halogen-doped Se-Te alloy layers
- Patent number 4,379,820
- Issue date Apr 12, 1983
- Ricoh Company, Ltd.
- Hitoshi Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Halogen doped selenium-tellurium alloy electrophotographic photocon...
- Patent number 4,286,035
- Issue date Aug 25, 1981
- Ricoh Company, Ltd.
- Hideyo Nishizima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY