Katsuo Hatase

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Sagagun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical sensor and image forming apparatus that processes specular...
- Patent number 7,655,936
- Issue date Feb 2, 2010
- Ricoh Company, Ltd.
- Noboru Sawayama
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
- Publication number 20080170220
- Publication date Jul 17, 2008
- Noboru Sawayama
- G01 - MEASURING TESTING
Information Patent Application
Optical sensor and image forming apparatus
- Publication number 20040251435
- Publication date Dec 16, 2004
- Noboru Sawayama
- G01 - MEASURING TESTING