Sohichiroh Ishikawa

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical scanner including an optical element holder and image formi...
- Patent number 8,743,167
- Issue date Jun 3, 2014
- Ricoh Company, Ltd.
- Hideyo Makino
- G02 - OPTICS
Information Patent Grant
Image forming apparatus
- Patent number 8,599,413
- Issue date Dec 3, 2013
- Ricoh Company, Limited
- Yoshiaki Morita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20120141168
- Publication date Jun 7, 2012
- RICOH COMPANY, LTD.
- Hideyo Makino
- G02 - OPTICS
Information Patent Application
Image forming apparatus
- Publication number 20110228355
- Publication date Sep 22, 2011
- RICOH COMPANY, LIMITED
- Yoshiaki Morita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE