Kazuhiro KOTAKA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Grinding roller, fixing device, and image forming apparatus
- Patent number 9,213,274
- Issue date Dec 15, 2015
- Ricoh Company, Ltd.
- Kazuhiro Kotaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner carrier, developing device and image forming apparatus
- Patent number 8,588,665
- Issue date Nov 19, 2013
- Ricoh Company, Ltd.
- Hiroyuki Endo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat insulating stamper structure
- Patent number 7,704,066
- Issue date Apr 27, 2010
- Ricoh Company, Ltd.
- Shigeru Fujita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
GRINDING ROLLER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20140294455
- Publication date Oct 2, 2014
- RICOH COMPANY, LTD.
- Kazuhiro KOTAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CARRIER, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110229217
- Publication date Sep 22, 2011
- RICOH COMPANY, LTD.,
- Hiroyuki ENDO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Heat insulating stamper structure
- Publication number 20070126136
- Publication date Jun 7, 2007
- Shigeru Fujita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Optical recording medium and method of manufacturing thereof, and r...
- Publication number 20060067203
- Publication date Mar 30, 2006
- Kazunori Ito
- G11 - INFORMATION STORAGE