P

Inventor

ITAMI YUKIO

JP43 patents
⚠️ This page may combine multiple inventors who share the name “ITAMI YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

24 patents
US6580186B1Jun 17, 2003

Balance correcting method for a high-speed rotatable body, a dynamic pressure bearing, and an optical scanning apparatus utilizing the dynamic pressure bearing

RICOH KK64 citations96
US6281609B1Aug 28, 2001

Direct-current brushless motor, and polygon scanner and image forming apparatus having the same and a method thereof

RICOH KK56 citations96
US5726699AMar 10, 1998

Closed type polygon scanner

RICOH KK56 citations96
US5769544AJun 23, 1998

Dynamic pressure pneumatic bearing device and manufacturing method thereof

RICOH KK56 citations94
US7126737B2Oct 24, 2006

Optical scanning apparatus and image forming apparatus

RICOH KK32 citations93
US6778203B2Aug 17, 2004

Dynamic pressure, air bearing type polygonal scanner and method of producing the same

RICOH KK34 citations93
US6465918B2Oct 15, 2002

Direct-current brushless motor, and polygon scanner and image forming apparatus having the same and a method thereof

RICOH KK33 citations93
US6150779ANov 21, 2000

Motor drive apparatus and method

RICOH KK35 citations93
US5612599AMar 18, 1997

DC brushless motor driving device, DC brushless motor, and image forming device using the driving device and brushless motor

RICOH KK46 citations93
US5453650ASep 26, 1995

Face opposing type motor

RICOH KK38 citations93
US5069515ADec 3, 1991

Optical deflector of air bearing type

RICOH KK73 citations93
US7586660B2Sep 8, 2009

DC brushless motor, light deflector optical scanning device, having an increased efficiency to reduce power consumption and heat generation using exactly six poles and stator with nine teeth and corresponding coils

RICOH KK23 citations92
US6822775B2Nov 23, 2004

Method and apparatus for polygon mirror scanning capable of performing a stable high speed polygon mirror rotation

RICOH KK32 citations92
US5606448AFeb 25, 1997

Polygon scanner and production process thereof

RICOH KK40 citations92
US5574591ANov 12, 1996

Polygon scanner and production process thereof

RICOH KK25 citations92
US5739602AApr 14, 1998

Method of and device using adhesively connected parts for preventing motor rotational imbalance caused by thermal expansion

RICOH KK48 citations91
US5969844AOct 19, 1999

Rotor and polygon scanner that incorporates the rotor

RICOH KK28 citations90
US5909966AJun 8, 1999

Self-acting air bearing

RICOH KK22 citations90
US5510664AApr 23, 1996

Brushless motor

RICOH KK42 citations90
US7602540B2Oct 13, 2009

Optical deflector, optical scanner, and image forming apparatus

RICOH KK17 citations84
US7420723B2Sep 2, 2008

Optical deflector, production method thereof, optical scanning device, and image forming apparatus

RICOH KK11 citations82
US7679801B2Mar 16, 2010

Optical deflector, method of manufacturing optical deflector, optical scanning apparatus, and image forming apparatus

RICOH KK7 citations74
US7671884B2Mar 2, 2010

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

RICOH KK7 citations73
US7813020B2Oct 12, 2010

Hydrodynamic bearing unit, and optical deflector, optical scanner and image forming apparatus using the same

RICOH KK1 citations51

ITAMI YUKIO

11 patents

RICOH CO LTD

4 patents

IMAI SHIGEAKI

2 patents

MASUDA KENSUKE

1 patent

NAKAMURA TADASHI

1 patent