Nobuo Kuwahara

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and toner
- Patent number 7,539,451
- Issue date May 26, 2009
- Ricoh Company Ltd.
- Masanori Kawasumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of and image forming apparatus for controlling a light expos...
- Patent number 7,433,615
- Issue date Oct 7, 2008
- Ricoh Company, Ltd.
- Wakako Murakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus and process cartridge
- Publication number 20060120741
- Publication date Jun 8, 2006
- Wakako Murakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and toner
- Publication number 20060062594
- Publication date Mar 23, 2006
- Masanori Kawasumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY