Takao Abe

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Shibata-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical deflector, production method thereof, optical scanning devi...
- Patent number 7,420,723
- Issue date Sep 2, 2008
- Ricoh Company, Ltd.
- Yukio Itami
- G02 - OPTICS
Information Patent Grant
Dynamic pressure pneumatic bearing device and manufacturing method...
- Patent number 5,769,544
- Issue date Jun 23, 1998
- Ricoh Company, Ltd.
- Mitsuo Suzuki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Polygon scanner and production process thereof
- Patent number 5,606,448
- Issue date Feb 25, 1997
- Ricoh Company, Ltd.
- Mitsuo Suzuki
- G02 - OPTICS
Information Patent Grant
Polygon scanner and production process thereof
- Patent number 5,574,591
- Issue date Nov 12, 1996
- Ricoh Company, Ltd.
- Mitsuo Suzuki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEFLECTOR, PRODUCTION METHOD THEREOF, OPTICAL SCANNING DEVI...
- Publication number 20070153349
- Publication date Jul 5, 2007
- Yukio Itami
- G02 - OPTICS