Kohji Matsuoka

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Patents Grantslast 30 patents

Information Patent Grant
Toner, developer, toner container, image forming apparatus, image f...
- Patent number 8,900,784
- Issue date Dec 2, 2014
- Ricoh Company, Ltd.
- Yasuo Katano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Display device and method of repairing display device
- Patent number 8,711,297
- Issue date Apr 29, 2014
- Ricoh Company, Ltd.
- Kohji Matsuoka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
TONER, DEVELOPER, TONER CONTAINER, IMAGE FORMING APPARATUS, IMAGE F...
- Publication number 20120295192
- Publication date Nov 22, 2012
- RICOH COMPANY, LTD.
- Yasuo KATANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISPLAY DEVICE AND METHOD OF REPAIRING DISPLAY DEVICE
- Publication number 20110275270
- Publication date Nov 10, 2011
- Kohji Matsuoka
- G02 - OPTICS