Kazuhiko Imamura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical writing device and image forming apparatus including the op...
- Patent number 7,705,871
- Issue date Apr 27, 2010
- Ricoh Company Limited
- Kazuhiko Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat exhausting structure and image forming apparatus
- Patent number 7,526,223
- Issue date Apr 28, 2009
- Ricoh Company, Ltd.
- Takefumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus mounted with an open and close unit
- Patent number 7,317,885
- Issue date Jan 8, 2008
- Ricoh Company, Ltd.
- Takefumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Heat exhausting structure and image forming apparatus
- Publication number 20060257161
- Publication date Nov 16, 2006
- Takefumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus mounted with an open and close unit
- Publication number 20060093396
- Publication date May 4, 2006
- Takefumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Optical writing device and image forming apparatus including the op...
- Publication number 20050089315
- Publication date Apr 28, 2005
- Kazuhiko Imamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS