Junichiro Hashimoto

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Numazu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoconductor with overlayer of polyol-curing...
- Patent number 5,342,718
- Issue date Aug 30, 1994
- Ricoh Company, Ltd.
- Shinji Nousho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive material for electrophotography contains organic pho...
- Patent number 4,741,981
- Issue date May 3, 1988
- Ricoh Co., Ltd.
- Junichiro Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developer for electrophotography
- Patent number 4,595,646
- Issue date Jun 17, 1986
- Ricoh Company, Ltd.
- Kazuo Tsubuko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developer for use in electrophotography
- Patent number 4,388,395
- Issue date Jun 14, 1983
- Ricoh Co., Ltd.
- Kazuo Tsubuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrostatic copying apparatus
- Patent number 4,310,238
- Issue date Jan 12, 1982
- Ricoh Company, Ltd.
- Manabu Mochizuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developer for use in electrophotography
- Patent number 4,250,241
- Issue date Feb 10, 1981
- Ricoh Company, Ltd.
- Kazuo Tsubuko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY