Toshihiro Takesue

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image processing apparatus and image processing method
- Patent number 8,446,641
- Issue date May 21, 2013
- Ricoh Company, Limited
- Toshihiro Takesue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus executing calibration and service person call
- Patent number 7,907,853
- Issue date Mar 15, 2011
- Ricoh Company, Ltd.
- Toshihiro Takesue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dither matrix producing method and apparatus, image processing meth...
- Patent number 7,746,502
- Issue date Jun 29, 2010
- Ricoh Company, Ltd.
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Image processing apparatus and image processing method
- Publication number 20110222085
- Publication date Sep 15, 2011
- RICOH COMPANY, LIMITED
- Toshihiro Takesue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus executing calibration and service person call
- Publication number 20070292146
- Publication date Dec 20, 2007
- Toshihiro Takesue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Dither matrix producing method and apparatus, image processing meth...
- Publication number 20050219628
- Publication date Oct 6, 2005
- Kei Yasutomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE