Inventor
ITABASHI AKIHISA
JP39 patents
⚠️ This page may combine multiple inventors who share the name “ITABASHI AKIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
34 patentsUS6791596B2Sep 14, 2004
Method and apparatus for image forming capable of effectively generating pixel clock pulses
RICOH KK84 citations98
US6771407B2Aug 3, 2004
Optical scanner and image formation apparatus
RICOH KK82 citations98
US6376837B1Apr 23, 2002
Optical scanning apparatus and image forming apparatus having defective light source detection
RICOH KK97 citations98
US5383754AJan 24, 1995
Image forming apparatus having an image orientation identifying device and a binding device
RICOH KK158 citations97
US6839157B2Jan 4, 2005
Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitch
RICOH KK54 citations96
US6469772B1Oct 22, 2002
Light source unit for optical scanning apparatus used in image forming apparatuses
RICOH KK57 citations96
US6429956B2Aug 6, 2002
Optical scanning device and image forming apparatus having the same
RICOH KK71 citations96
US6381057B1Apr 30, 2002
Multi-beam scanning apparatus
RICOH KK62 citations96
US6937371B2Aug 30, 2005
Optical scanner and image formation apparatus
RICOH KK27 citations93
US6932271B2Aug 23, 2005
Optical scan module, optical scanner, optical scan method, image generator and image reader
RICOH KK44 citations93
US6800845B2Oct 5, 2004
Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus
RICOH KK22 citations93
US6747818B2Jun 8, 2004
Image forming lens, image forming lens unit, original document reading module, apparatus and method, and image information processing apparatus
RICOH KK49 citations93
US6700687B1Mar 2, 2004
Optical scanning device
RICOH KK25 citations93
US6624920B2Sep 23, 2003
Optical scanning device, scanning optical system, scanning imaging optical component, optical scanning method, ghost image preventing method and image forming apparatus
RICOH KK17 citations93
US5504613AApr 2, 1996
Optical scanner
RICOH KK52 citations93
US5475522ADec 12, 1995
Optical scanner
RICOH KK41 citations93
US6707480B2Mar 16, 2004
Image formation unit including stored performance information
RICOH KK50 citations92
US5426298AJun 20, 1995
Optical scanner
RICOH KK50 citations92
US7826116B2Nov 2, 2010
Optical scanning device and image forming apparatus
RICOH KK10 citations84
US7719737B2May 18, 2010
Optical scanning device, image forming apparatus and liquid crystal device driving method
RICOH KK8 citations84
US7450274B2Nov 11, 2008
Optical scanning apparatus, image forming apparatus, and beam positioning method
RICOH KK18 citations84
US7050080B2May 23, 2006
Image forming apparatus for controlling image writing by adjusting image clock
RICOH KK19 citations84
US7075563B2Jul 11, 2006
Multi-beam laser scanning device
RICOH KK8 citations74
US7006271B2Feb 28, 2006
Optical scanning device and image forming apparatus
RICOH KK8 citations74
US5648864AJul 15, 1997
Optical scanner
RICOH KK10 citations74
US5221986AJun 22, 1993
Scanning image-forming lens system and optical scanner
RICOH KK9 citations74
US5136418AAug 4, 1992
fθ lens system in optical scanner
RICOH KK14 citations74
US5064261ANov 12, 1991
Fθ lens systems in optical scanner
RICOH KK11 citations74
US5062679ANov 5, 1991
fθ Lens system in optical scanner
RICOH KK14 citations74
US5031979AJul 16, 1991
f θ Lens system in optical scanner
RICOH KK11 citations74
US5029956AJul 9, 1991
Optical scanner
RICOH KK15 citations74
US5015050AMay 14, 1991
Fθ lens system in optical scanner
RICOH KK16 citations74
US7019766B2Mar 28, 2006
Optical scanning device
RICOH KK5 citations63
US6847474B2Jan 25, 2005
Optical scanning device, scanning optical system, scanning imaging optical component, optical scanning method, ghost image preventing method and image forming apparatus
RICOH KK0 citations52