Yoshihiro Takahashi

Person

Shibata-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical scan apparatus, image formation apparatus, optical deflecto...
- Patent number 7,898,709
- Issue date Mar 1, 2011
- Ricoh Company, Ltd.
- Kensuke Masuda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Rotary drive apparatus, optical scan apparatus, and image formation...
- Patent number 7,671,884
- Issue date Mar 2, 2010
- Ricoh Company, Ltd.
- Yukio Itami
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical deflector, optical scanner, and image forming apparatus
- Patent number 7,602,540
- Issue date Oct 13, 2009
- Ricoh Company, Limited
- Kensuke Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
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
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
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
Information Patent Grant
Brushless motor
- Patent number 5,510,664
- Issue date Apr 23, 1996
- Ricoh Company, Ltd.
- Mitsuo Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Face opposing type motor
- Patent number 5,453,650
- Issue date Sep 26, 1995
- Ricoh Company, Ltd.
- Yoshio Hashimoto
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEFLECTOR, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS
- Publication number 20090231659
- Publication date Sep 17, 2009
- Kensuke Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Rotary drive apparatus, optical scan apparatus, and image formation...
- Publication number 20080204539
- Publication date Aug 28, 2008
- Yukio Itami
- G02 - OPTICS
Information Patent Application
OPTICAL SCAN APPARATUS, IMAGE FORMATION APPARATUS, OPTICAL DEFLECTO...
- Publication number 20080174843
- Publication date Jul 24, 2008
- Kensuke Masuda
- 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

Yoshihiro Takahashi

Person

Patents Grantslast 30 patents

Optical scan apparatus, image formation apparatus, optical deflecto...

Hydrodynamic bearing unit, and optical deflector, optical scanner a...

Rotary drive apparatus, optical scan apparatus, and image formation...

Optical deflector, optical scanner, and image forming apparatus

Optical deflector, production method thereof, optical scanning devi...

Polygon mirror scanner device with tubular magnet adhered to the in...

Dynamic pressure pneumatic bearing device and manufacturing method...

Method of and device using adhesively connected parts for preventin...

Polygon scanner and production process thereof

Polygon scanner and production process thereof

Brushless motor

Face opposing type motor

Patents Applicationslast 30 patents

OPTICAL DEFLECTOR, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS

HYDRODYNAMIC BEARING UNIT, AND OPTICAL DEFLECTOR, OPTICAL SCANNER A...

Rotary drive apparatus, optical scan apparatus, and image formation...

OPTICAL SCAN APPARATUS, IMAGE FORMATION APPARATUS, OPTICAL DEFLECTO...

OPTICAL DEFLECTOR, PRODUCTION METHOD THEREOF, OPTICAL SCANNING DEVI...

Polygon mirror scanner device