Hideyo Watanabe

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 8,433,216
- Issue date Apr 30, 2013
- Ricoh Company, Limited
- Satoru Ishikake
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cleaning device, process cartridge, image forming apparatus and toner
- Patent number 7,313,347
- Issue date Dec 25, 2007
- Ricoh Company Ltd.
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110164895
- Publication date Jul 7, 2011
- Satoru Ishikake
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Cleaning device, process cartridge, image forming apparatus and toner
- Publication number 20060039726
- Publication date Feb 23, 2006
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY