Hiroki Tsuruoka

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic device, display, image processing apparatus and electron...
- Patent number 8,711,133
- Issue date Apr 29, 2014
- Ricoh Company, Ltd.
- Akira Imai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading apparatus and image forming apparatus
- Patent number 8,553,276
- Issue date Oct 8, 2013
- Ricoh Company, Ltd.
- Tasuku Kohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading apparatus and image forming apparatus
- Patent number 8,462,393
- Issue date Jun 11, 2013
- Ricoh Company, Ltd.
- Tasuku Kohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Input control device and image forming apparatus
- Patent number 8,085,242
- Issue date Dec 27, 2011
- Ricoh Company, Ltd.
- Tsuyoshi Endoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20110228347
- Publication date Sep 22, 2011
- Tasuku KOHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20110228285
- Publication date Sep 22, 2011
- Tasuku KOHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC DEVICE, DISPLAY, IMAGE PROCESSING APPARATUS AND ELECTRON...
- Publication number 20110221735
- Publication date Sep 15, 2011
- Akira IMAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Input control device and image forming apparatus
- Publication number 20090066644
- Publication date Mar 12, 2009
- Tsuyoshi Endoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY