Inventor
EBARA JOH
JP36 patents
⚠️ This page may combine multiple inventors who share the name “EBARA JOH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
18 patentsUS7587157B2Sep 8, 2009
Image forming apparatus capable of correcting a rotation speed of an image carrier
RICOH KK30 citations93
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
US7748695B2Jul 6, 2010
Image forming apparatus
RICOH KK8 citations84
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
US7245862B2Jul 17, 2007
Method of adjusting rotational phase of image carrying members in image forming apparatus
RICOH KK18 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
US7778575B2Aug 17, 2010
Imaging apparatus adjusting a rotational stop phase based on a calculated rotational phase
RICOH KK6 citations63
RICOH CO LTD
7 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
US8036582B2Oct 11, 2011
Belt driving device and image forming apparatus
RICOH CO LTD6 citations63
US7929894B2Apr 19, 2011
Driving control device and image forming apparatus including the same
RICOH CO LTD6 citations63
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
US7991326B2Aug 2, 2011
Image forming apparatus having enhanced controlling method for reducing deviation of superimposed images
RICOH CO LTD0 citations38