Inventor
UCHIDA TOSHIYUKI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “UCHIDA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
20 patentsUS5946529AAug 31, 1999
Image forming apparatus using a roller type charging system
RICOH KK53 citations96
US5878317AMar 2, 1999
Electrophotographic method and apparatus including a toner recycle feature
RICOH KK85 citations96
US5799229AAug 25, 1998
Toner spreading device for a charging roller of an image forming apparatus
RICOH KK69 citations96
US7693468B2Apr 6, 2010
Image forming apparatus capable of effectively forming a quality color image
RICOH KK22 citations92
US7653332B2Jan 26, 2010
Image forming apparatus having enhanced controlling method for reducing deviation of superimposed images
RICOH KK23 citations92
US7630657B2Dec 8, 2009
Method, apparatus, and program for image forming capable of effectively adjusting positional deviation
RICOH KK23 citations92
US7352978B2Apr 1, 2008
Method of detecting a phase difference of image bearing members and an image forming apparatus using the method
RICOH KK19 citations92
US7215907B2May 8, 2007
Method and apparatus for image forming capable of effectively eliminating color displacements
RICOH KK32 citations92
US7206537B2Apr 17, 2007
Method and apparatus for image forming capable of effectively eliminating color displacement by recognizing a rotational position of a rotating member with a mechanism using detection marks
RICOH KK26 citations92
US6779975B2Aug 24, 2004
Duct fan unit
RICOH KK31 citations91
US6725991B2Apr 27, 2004
Driving device and fixing device
RICOH KK21 citations91
US7729024B2Jun 1, 2010
Color drift error correcting method and image forming apparatus
RICOH KK16 citations84
US7697867B2Apr 13, 2010
Image forming apparatus with fluctuation-pattern detection and fine-tuning-pattern correction
RICOH KK11 citations84
US7532842B2May 12, 2009
Color printing apparatus capable of color registration difference correction
RICOH KK14 citations84
US7369795B2May 6, 2008
Image forming apparatus effectively producing quality color image without causing color slippage
RICOH KK11 citations84
US7603061B2Oct 13, 2009
Image forming apparatus
RICOH KK10 citations77
US7773914B2Aug 10, 2010
Method and apparatus for image forming capable of effectively eliminating color displacement by recognizing a rotational position of a rotating member with a mechanism using detection marks
RICOH KK7 citations74
US7376376B2May 20, 2008
Method and apparatus for image forming capable of effectively adjusting image shifts
RICOH KK7 citations74
US7796929B2Sep 14, 2010
Method of detecting a phase difference of image bearing members and an image forming apparatus using the method
RICOH KK5 citations63
US7508551B2Mar 24, 2009
Image reading apparatus
RICOH KK0 citations40
RICOH CO LTD
4 patentsUS8010026B2Aug 30, 2011
Image forming system and method of detecting color misregistration
RICOH CO LTD27 citations92
US7937007B2May 3, 2011
Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the image forming apparatus
RICOH CO LTD7 citations84
US8385778B2Feb 26, 2013
Method and apparatus for image forming capable of effectively eliminating color displacement by recognizing a rotational position of a rotating member with a mechanism using detection marks
RICOH CO LTD0 citations52
US8010019B2Aug 30, 2011
Image forming apparatus
RICOH CO LTD1 citations52
KOBAYASHI KAZUHIRO
3 patentsUS9389561B2Jul 12, 2016
Image forming apparatus utilizing a plurality of image formation velocities
KOBAYASHI KAZUHIRO3 citations72
US8290413B2Oct 16, 2012
Image forming apparatus
KOBAYASHI KAZUHIRO5 citations61
US8688006B2Apr 1, 2014
Drive transmission device including a detection device and a protection member made of a conductive material
KOBAYASHI KAZUHIRO1 citations51