Yohichiro Watanabe

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Fuji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color toner, method for manufacturing the toner, and image forming...
- Patent number 7,049,037
- Issue date May 23, 2006
- Ricoh Company, Ltd.
- Kohki Katoh
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Color toner, method for manufacturing the toner, and image forming...
- Patent number 6,852,459
- Issue date Feb 8, 2005
- Ricoh Company, Ltd.
- Kohki Katoh
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Toner for use in electrostatic development
- Patent number 5,429,901
- Issue date Jul 4, 1995
- Ricoh Company, Ltd.
- Kenkichi Muto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
- Publication number 20100021209
- Publication date Jan 28, 2010
- Yohichiro WATANABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color toner, method for manufacturing the toner, and image forming...
- Publication number 20050008962
- Publication date Jan 13, 2005
- Kohki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color toner, method for manufacturing the toner, and image forming...
- Publication number 20030096183
- Publication date May 22, 2003
- Kohki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY