Atsushi Hagiwara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus, image forming method, and image forming pr...
- Patent number 8,427,704
- Issue date Apr 23, 2013
- Ricoh Company, Ltd.
- Shinya Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method of controlling light level of a light source,...
- Patent number 8,154,577
- Issue date Apr 10, 2012
- Ricoh Company, Limited
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method of controlling light level of a light source,...
- Publication number 20100189452
- Publication date Jul 29, 2010
- Ricoh Company, Ltd.
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, image forming method, and image forming pr...
- Publication number 20090214238
- Publication date Aug 27, 2009
- Shinya Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE