Satoshi Otomura

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flexible electrophotographic photoconductor having a polysulfone cu...
- Patent number 4,942,104
- Issue date Jul 17, 1990
- Ricoh Company, Ltd.
- Ryouichi Kitajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dual layer electrode used with electrophotographic photoconductor
- Patent number 4,764,442
- Issue date Aug 16, 1988
- Ricoh Company, Ltd.
- Satoshi Otomura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor having an Ni, Fe, or, Co-based a...
- Patent number 4,740,441
- Issue date Apr 26, 1988
- Ricoh Company, Ltd.
- Satoshi Otomura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of forming image
- Patent number 4,702,979
- Issue date Oct 27, 1987
- Ricoh Co., Ltd.
- Satoshi Otomura
- 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
Photosensitive material for electrophotography with dye containing...
- Patent number 4,191,568
- Issue date Mar 4, 1980
- Ricoh Co., Ltd.
- Hideaki Ema
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY