Inventor
NAKAJIMA TOMOHIRO
JP95 patents
⚠️ This page may combine multiple inventors who share the name “NAKAJIMA TOMOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
48 patentsUS6400917B2Jun 4, 2002
Image forming apparatus for reducing banding caused by vibration of stacked image forming cartridges
RICOH KK82 citations99
US5936756AAug 10, 1999
Compact scanning optical system
RICOH KK124 citations99
US6657765B2Dec 2, 2003
Optical deflecting unit, optical scanning unit, image forming apparatus, and method of producing optical unit
RICOH KK113 citations98
US6621512B2Sep 16, 2003
Multi-beam light source device and multi-beam scanning apparatus using the same
RICOH KK110 citations98
US5999345ADec 7, 1999
Multi-beam light source unit
RICOH KK131 citations98
US5786594AJul 28, 1998
Multi-beam pitch adjustment system and method
RICOH KK136 citations98
US7068296B2Jun 27, 2006
Optical scanning device for reducing a dot position displacement at a joint of scanning lines
RICOH KK80 citations97
US6236820B1May 22, 2001
Image forming apparatus for reducing banding caused by vibration of stacked image forming cartridges
RICOH KK75 citations97
US6839157B2Jan 4, 2005
Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitch
RICOH KK54 citations96
US6768886B2Jul 27, 2004
Image forming apparatus
RICOH KK28 citations96
US6760557B2Jul 6, 2004
Image forming apparatus
RICOH KK19 citations96
US6697588B2Feb 24, 2004
Image forming apparatus
RICOH KK35 citations96
US6580887B2Jun 17, 2003
Image forming apparatus including structural members between consecutive optical writing devices
RICOH KK32 citations96
US6466754B2Oct 15, 2002
Image forming apparatus for reducing banding caused by vibration of stacked image forming cartridges
RICOH KK40 citations96
US6091534AJul 18, 2000
Compact scanning optical system
RICOH KK45 citations96
US6052211AApr 18, 2000
Compact multiple-beam scanning optical system
RICOH KK82 citations96
US5753907AMay 19, 1998
Multiple beam scanning apparatus
RICOH KK64 citations96
US5633744AMay 27, 1997
Supporting apparatus for optical scanning apparatus
RICOH KK60 citations96
US6972883B2Dec 6, 2005
Vibration mirror, optical scanning device, and image forming using the same, method for making the same, and method for scanning image
RICOH KK48 citations95
US4853710AAug 1, 1989
Imaging by laser beam scanning
RICOH KK59 citations95
US7697180B2Apr 13, 2010
Light deflector, optical scanner, and image forming apparatus
RICOH KK29 citations93
US7511868B2Mar 31, 2009
Multi-beam luminous source apparatus, an optical scanning apparatus, and an image formation apparatus
RICOH KK22 citations93
US7423787B2Sep 9, 2008
Optical scanning module, device, and method, and imaging apparatus
RICOH KK26 citations93
US7286786B2Oct 23, 2007
Image forming method and apparatus including dismountable cartridges
RICOH KK10 citations93
US7170660B2Jan 30, 2007
Optical scanner and image forming device
RICOH KK25 citations93
US7075688B2Jul 11, 2006
Multibeam scanning apparatus
RICOH KK24 citations93
US7050739B2May 23, 2006
Image forming apparatus with horizontal structural members
RICOH KK15 citations93
US6995885B2Feb 7, 2006
Vibrating mirror, optical scanner using vibrating mirror, and image reproducing and forming apparatus
RICOH KK45 citations93
US6932271B2Aug 23, 2005
Optical scan module, optical scanner, optical scan method, image generator and image reader
RICOH KK44 citations93
US6775041B1Aug 10, 2004
Multibeam scanning apparatus
RICOH KK38 citations93
US5793408AAug 11, 1998
Optical scanning apparatus with improved structure for adjusting focus position
RICOH KK47 citations93
US4932732AJun 12, 1990
Optical scanning apparatus
RICOH KK26 citations93
US7593029B2Sep 22, 2009
Optical scanning device and image forming apparatus using the same
RICOH KK17 citations92
US7532227B2May 12, 2009
Optical scanner and image forming apparatus
RICOH KK37 citations92
US7411712B2Aug 12, 2008
Optical scanner and image formation apparatus
RICOH KK35 citations92
US7333254B2Feb 19, 2008
Optical scanning apparatus, illuminant apparatus and image forming apparatus
RICOH KK39 citations92
US7221493B2May 22, 2007
Vibration mirror, optical scanning device, and image forming using the same, method for making the same, and method for scanning image
RICOH KK24 citations92
US5926203AJul 20, 1999
Image recording method and apparatus using multiple laser beams
RICOH KK30 citations92
US5671077ASep 23, 1997
Multi-beam light source device and optical scanning apparatus using the multi-beam source device
RICOH KK50 citations92
US4953171AAug 28, 1990
Semiconductor laser source unit
RICOH KK39 citations92
US7800641B2Sep 21, 2010
Light source unit, optical scan apparatus, and image formation apparatus
RICOH KK12 citations84
US7729031B2Jun 1, 2010
Light-source device, optical scanning device, and image forming apparatus
RICOH KK13 citations84
US7710445B2May 4, 2010
Light source unit, optical scan apparatus, and image formation apparatus
RICOH KK14 citations84
US7561318B2Jul 14, 2009
Optical scanning apparatus and image forming apparatus
RICOH KK14 citations84
US7525561B2Apr 28, 2009
Optical scanner and image forming apparatus
RICOH KK8 citations84
US7495813B2Feb 24, 2009
Optical scanning device and image forming apparatus
RICOH KK14 citations84
US7468824B2Dec 23, 2008
Imaging apparatus including optical scanning device with deflecting mirror module, and method of deflecting with the mirror module
RICOH KK9 citations84
US7453615B2Nov 18, 2008
Optical scanning apparatus having support members outside the housing for supporting a housing and reflectors, including a pair of ribs and warp preventing member engage with groove formed by ribs, and an image forming apparatus including the same
RICOH KK15 citations84
ITAMI YUKIO
1 patentRICOH CO LTD
1 patentShowing the top 50 of 95 patents by PatentIndex Score.