P

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 patents
US5946529AAug 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 patents

KOBAYASHI KAZUHIRO

3 patents

SEIKO INSTR INC

3 patents

TOKAI RYOKAKU TETSUDO KK

3 patents

ISHIDA MASAHIRO

2 patents

SUGIYAMA KEISUKE

2 patents

TOSAKA AKIHIKO

2 patents

TOKYO GAS CO LTD

1 patent

SUGITA NARUMI

1 patent

RENGO CO LTD

1 patent

MURAKAMI HIROAKI

1 patent

MIURA YOHEI

1 patent

UCHIDA TOSHIYUKI

1 patent

ABLIC INC

1 patent

KOBAYASHI KAZUHIKO

1 patent

FUNAMOTO NORIAKI

1 patent

OMI TOSHIHIKO

1 patent

MACHIDA SATOSHI

1 patent