Noriyuki Kadowaki

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Miyagi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydrodynamic bearing unit, and optical deflector, optical scanner a...
- Patent number 7,813,020
- Issue date Oct 12, 2010
- Ricoh Company, Ltd.
- Yukio Itami
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
Polygon mirror scanner device with tubular magnet adhered to the in...
- Patent number 7,382,509
- Issue date Jun 3, 2008
- Tohoku Ricoh Co., Ltd.
- Noriyuki Kadowaki
- G02 - OPTICS
Information Patent Grant
Hydrodynamic bearing unit
- Patent number 6,843,602
- Issue date Jan 18, 2005
- NTN Corporation
- Kazuhiko Koseki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of and device using adhesively connected parts for preventin...
- Patent number 5,739,602
- Issue date Apr 14, 1998
- Ricoh Company, Ltd.
- Mitsuo Suzuki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
HYDRODYNAMIC BEARING UNIT, AND OPTICAL DEFLECTOR, OPTICAL SCANNER A...
- Publication number 20080259424
- Publication date Oct 23, 2008
- Yukio ITAMI
- G02 - OPTICS
Information Patent Application
OPTICAL DEFLECTOR, PRODUCTION METHOD THEREOF, OPTICAL SCANNING DEVI...
- Publication number 20070153349
- Publication date Jul 5, 2007
- Yukio Itami
- G02 - OPTICS
Information Patent Application
Polygon mirror scanner device
- Publication number 20070047045
- Publication date Mar 1, 2007
- TOHOKU RICOH CO., LTD.
- Noriyuki Kadowaki
- G02 - OPTICS
Information Patent Application
Hydrodynamic bearing unit
- Publication number 20020051588
- Publication date May 2, 2002
- Kazuhiro Koseki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...