Kenichiro Saisho

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 8,045,248
- Issue date Oct 25, 2011
- Ricoh Company, Ltd.
- Naoto Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diffractive-optical element, scanning optical system, optical scann...
- Patent number 7,688,491
- Issue date Mar 30, 2010
- Ricoh Company, Ltd.
- Kenichiro Saisho
- G02 - OPTICS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 7,663,657
- Issue date Feb 16, 2010
- Ricoh Company, Ltd.
- Daisuke Ichii
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080218827
- Publication date Sep 11, 2008
- Naoto WATANABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIFFRACTIVE-OPTICAL ELEMENT, SCANNING OPTICAL SYSTEM, OPTICAL SCANN...
- Publication number 20080068689
- Publication date Mar 20, 2008
- Kenichiro SAISHO
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080025759
- Publication date Jan 31, 2008
- Daisuke Ichii
- G02 - OPTICS