Hajime Takanashi

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Numazu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Developing replenisher material for use in image forming device
- Patent number 4,860,050
- Issue date Aug 22, 1989
- Ricoh Company, Ltd.
- Tsuneo Kurotori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Non-aqueous type resin dispersion and electrophotographic developer...
- Patent number 4,764,447
- Issue date Aug 16, 1988
- Ricoh Co., Ltd.
- Kazuo Tsubuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid developer for use in electrostatic photography
- Patent number 4,618,558
- Issue date Oct 21, 1986
- Ricoh Co., Ltd.
- Shinichi Kuramoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY