Inventor
ATSUUMI HIROMICHI
JP69 patents
⚠️ This page may combine multiple inventors who share the name “ATSUUMI HIROMICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
44 patentsUS6509995B1Jan 21, 2003
Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus
RICOH KK142 citations99
US7050210B2May 23, 2006
Optical scanning device and imaging apparatus implementing the same
RICOH KK67 citations98
US7006120B2Feb 28, 2006
Multi-beam optical scanning apparatus and image forming apparatus
RICOH KK65 citations98
US6785028B1Aug 31, 2004
Optical scanning device having a temperature compensation unit
RICOH KK84 citations98
US6771407B2Aug 3, 2004
Optical scanner and image formation apparatus
RICOH KK82 citations98
US6448998B1Sep 10, 2002
Scanning and imaging lens, optical scanning device and image forming apparatus
RICOH KK122 citations98
US6417509B1Jul 9, 2002
Optical scanning apparatus and image forming apparatus
RICOH KK92 citations98
US6388792B1May 14, 2002
Optical scanning device and image forming apparatus
RICOH KK117 citations98
US5606181AFeb 25, 1997
Edge emitting type light emitting diode array heads
RICOH KK204 citations98
US7271823B2Sep 18, 2007
Optical scanner and image forming apparatus
RICOH KK61 citations97
US7106483B2Sep 12, 2006
Optical scanner and image forming apparatus
RICOH KK71 citations97
US7068407B2Jun 27, 2006
Optical element, optical scanner and image forming apparatus
RICOH KK49 citations96
US6781729B2Aug 24, 2004
Optical scanning system with unvarying image surface under environmental temperature change
RICOH KK58 citations96
US6606179B2Aug 12, 2003
Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus
RICOH KK39 citations96
US6198563B1Mar 6, 2001
Optical scanning apparatus with improved design flexibility
RICOH KK48 citations96
US5408095AApr 18, 1995
Optical scanner having an image forming mirror and means for reducing scanning line pitch irregularities
RICOH KK59 citations96
US5233454AAug 3, 1993
Image forming reflecting mirror for constant speed optical scan and optical scanner
RICOH KK58 citations96
US7164516B2Jan 16, 2007
Optical scanner and image forming apparatus
RICOH KK44 citations95
US5459601AOct 17, 1995
Optical scanner for reducing shading
RICOH KK66 citations95
US5355244AOct 11, 1994
Optical scanner for reducing shading
RICOH KK68 citations95
US7397591B2Jul 8, 2008
Optical scanner and image forming apparatus
RICOH KK21 citations93
US7298537B2Nov 20, 2007
Optical scanner and image forming apparatus
RICOH KK20 citations93
US7236281B2Jun 26, 2007
Optical scanner and image forming apparatus
RICOH KK52 citations93
US7215354B1May 8, 2007
Scanning optical system, optical scanning device and image forming apparatus
RICOH KK37 citations93
US7154651B2Dec 26, 2006
Optical scanning device and imaging apparatus implementing the same
RICOH KK40 citations93
US7126737B2Oct 24, 2006
Optical scanning apparatus and image forming apparatus
RICOH KK32 citations93
US7038822B2May 2, 2006
Optical element, optical scanner and image forming apparatus
RICOH KK37 citations93
US6999208B2Feb 14, 2006
Optical scanner, optical scanning method, scanning image forming optical system, optical scanning lens and image forming apparatus
RICOH KK52 citations93
US6961164B2Nov 1, 2005
Scanning optics with optical elements formed of resin and optical scanning device and image forming apparatus using the same
RICOH KK29 citations93
US6937371B2Aug 30, 2005
Optical scanner and image formation apparatus
RICOH KK27 citations93
US6829104B2Dec 7, 2004
Resin-made non-spherical optical element, optical scanning device using the optical element, and image forming apparatus using the optical scanning device
RICOH KK31 citations93
US6800845B2Oct 5, 2004
Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus
RICOH KK22 citations93
US6801351B2Oct 5, 2004
Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus
RICOH KK28 citations93
US6791729B2Sep 14, 2004
Adjusting imaging position of optical beam spot in main and sub-scanning directions by individually and/or collectively adjusting position(s) of temperature-compensating lens(es)
RICOH KK43 citations93
US6697183B2Feb 24, 2004
Light beam scanning apparatus and image forming system incorporating such apparatus
RICOH KK23 citations93
US6078419AJun 20, 2000
Optical scanning apparatus with design flexibility
RICOH KK38 citations93
US5684618ANov 4, 1997
Image forming mirror for equal speed optical scan and optical scanner
RICOH KK39 citations93
US5504613AApr 2, 1996
Optical scanner
RICOH KK52 citations93
US5475522ADec 12, 1995
Optical scanner
RICOH KK41 citations93
US7719773B2May 18, 2010
Zoom lens unit and imaging apparatus
RICOH KK22 citations92
US7636201B2Dec 22, 2009
Zoom lens and camera device including the same
RICOH KK26 citations92
US7012724B2Mar 14, 2006
Optical scanning device having a temperature compensation unit
RICOH KK20 citations92
US5426298AJun 20, 1995
Optical scanner
RICOH KK50 citations92
US7525710B2Apr 28, 2009
Scanning and imaging optical system, optical scanner, and image forming apparatus with lenses of different signs and refractive index distribution increasing toward rim
RICOH KK8 citations84
RICOH CO LTD
2 patentsRIOCH COMPANY LTD
1 patentHAYASHI YUKI
1 patentTAKANO YOHEI
1 patentATSUUMI HIROMICHI
1 patentShowing the top 50 of 69 patents by PatentIndex Score.