Inventor

AMANAI KOUJI

JP9 patents

⚠️ This page may combine multiple inventors who share the name “AMANAI KOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

4 patents

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

US7603061B2Oct 13, 2009

Image forming apparatus

RICOH KK10 citations77

RICOH CO LTD

1 patent

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

SUGIYAMA KEISUKE

1 patent

US8521046B2Aug 27, 2013

Image forming apparatus

SUGIYAMA KEISUKE6 citations72

KOBAYASHI KAZUHIRO

1 patent

US8290413B2Oct 16, 2012

Image forming apparatus

KOBAYASHI KAZUHIRO5 citations61

MIURA YOHEI

1 patent

US8260179B2Sep 4, 2012

Image forming apparatus including first and second image forming devices and first and second belt units

MIURA YOHEI3 citations58

KOBAYASHI KAZUHIKO

1 patent

US8331822B2Dec 11, 2012

Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the image forming apparatus

KOBAYASHI KAZUHIKO0 citations51