Atsuhiko Ogawa

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Atsugi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical scanning and image forming apparatus with a free-sliding un...
- Patent number 8,508,808
- Issue date Aug 13, 2013
- Ricoh Company, Ltd.
- Kenichi Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical scanning apparatus and image forming apparatus
- Patent number 8,174,747
- Issue date May 8, 2012
- Ricoh Company, Ltd.
- Taku Amada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Developer amount regulation blade structure
- Patent number 7,764,912
- Issue date Jul 27, 2010
- Ricoh Company Ltd.
- Takafumi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20090323147
- Publication date Dec 31, 2009
- TAKU AMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SCANNING APPARATUS, IMAGE-READING APPARATUS AND IMAGE-FORMI...
- Publication number 20090219582
- Publication date Sep 3, 2009
- Kenichi Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVELOPER AMOUNT REGULATION BLADE STRUCTURE
- Publication number 20080063439
- Publication date Mar 13, 2008
- Takafumi KONDO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY