Hidemi Uematsu

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Fuji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluorine-containing graft copolymer and toner using the same
- Patent number 5,328,794
- Issue date Jul 12, 1994
- Ricoh Company, Ltd.
- Tsubuko Kazuo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing a vinyl resin using a silicon oil solvent
- Patent number 5,189,102
- Issue date Feb 23, 1993
- Ricoh Company, Ltd.
- Kazuo Tsubuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid developer for image fixing method using heat application rol...
- Patent number 5,169,739
- Issue date Dec 8, 1992
- Ricoh Company, Ltd.
- Kazuhiko Umemura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for electrophotography including fluorine contained graft cop...
- Patent number 5,061,587
- Issue date Oct 29, 1991
- Ricoh Company Ltd.
- Kazuo Tsubuko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY