Tetsurou Saitoh

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical deflector and optical device
- Patent number 8,553,306
- Issue date Oct 8, 2013
- Ricoh Company, Ltd.
- Tetsurou Saitoh
- G02 - OPTICS
Information Patent Grant
Optical scanner and image forming apparatus
- Patent number 8,373,916
- Issue date Feb 12, 2013
- Ricoh Company, Ltd.
- Mitsumi Fujii
- G02 - OPTICS
Information Patent Grant
Vibration elements
- Patent number 8,199,389
- Issue date Jun 12, 2012
- Ricoh Company, Ltd.
- Mochizuki Eiji
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Scanner element having a constant resonance frequency, and optical...
- Patent number 7,315,410
- Issue date Jan 1, 2008
- Ricoh Company, Ltd.
- Tetsurou Saitoh
- G02 - OPTICS
Information Patent Grant
Light emitting element and array of light emitting elements for lig...
- Patent number 5,631,474
- Issue date May 20, 1997
- Ricoh Company, Ltd.
- Tetsurou Saitoh
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING APPARATUS
- Publication number 20100232833
- Publication date Sep 16, 2010
- Mitsumi Fujii
- G02 - OPTICS
Information Patent Application
VIBRATION ELEMENTS
- Publication number 20090225384
- Publication date Sep 10, 2009
- Mochizuki Eiji
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
OPTICAL DEFLECTOR AND OPTICAL DEVICE
- Publication number 20080225363
- Publication date Sep 18, 2008
- Tetsurou SAITOH
- G02 - OPTICS
Information Patent Application
Scanner element having a constant resonance frequency, and optical...
- Publication number 20060132883
- Publication date Jun 22, 2006
- Tetsurou Saitoh
- G02 - OPTICS
Information Patent Application
Deflector mirror, optical scanning device, and image forming apparatus
- Publication number 20050243396
- Publication date Nov 3, 2005
- Mitsumi Fujii
- G02 - OPTICS