Motohisa Hirono

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus, method of evaluating noise, and methods of...
- Patent number 7,136,605
- Issue date Nov 14, 2006
- Ricoh Company, Ltd.
- Koichi Tsunoda
- G01 - MEASURING TESTING
Information Patent Grant
Image formation apparatus and tone quality improving method of imag...
- Patent number 6,876,828
- Issue date Apr 5, 2005
- Ricoh Company, Ltd.
- Koichi Tsunoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus, sound quality evaluation method, method...
- Patent number 6,862,417
- Issue date Mar 1, 2005
- Ricoh Company, Limited
- Koichi Tsunoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus and tone quality improving method of imag...
- Patent number 6,697,584
- Issue date Feb 24, 2004
- Ricoh Company, Ltd.
- Koichi Tsunoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus, method of evaluating noise, and methods of...
- Publication number 20040190928
- Publication date Sep 30, 2004
- Koichi Tsunoda
- G01 - MEASURING TESTING
Information Patent Application
Image formation apparatus and tone quality improving method of imag...
- Publication number 20040105696
- Publication date Jun 3, 2004
- Koichi Tsunoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image formation apparatus, sound quality evaluation method, method...
- Publication number 20040062563
- Publication date Apr 1, 2004
- Koichi Tsunoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image formation apparatus and tone quality improving method of imag...
- Publication number 20030123897
- Publication date Jul 3, 2003
- Koichi Tsunoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY