KA

Kouji Amanai

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
Overall (All Time): #578,612 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8521046 Image forming apparatus Keisuke Sugiyama, Joh Ebara, Toshiyuki Uchida, Yohei Miura, Narumi Sugita 2013-08-27
8331822 Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the image forming apparatus Kazuhiko Kobayashi, Joh Ebara, Yasuhisa Ehara, Seiichi Handa, Yuji Matsuda +3 more 2012-12-11
8290413 Image forming apparatus Kazuhiro Kobayashi, Toshiyuki Uchida, Narumi Sugita, Kenji Tomita 2012-10-16
8260179 Image forming apparatus including first and second image forming devices and first and second belt units Yohei Miura, Joh Ebara, Toshiyuki Uchida, Narumi Sugita, Keisuke Sugiyama +2 more 2012-09-04
7937007 Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the image forming apparatus Kazuhiko Kobayashi, Joh Ebara, Yasuhisa Ehara, Seiichi Handa, Yuji Matsuda +3 more 2011-05-03
7693468 Image forming apparatus capable of effectively forming a quality color image Yasuhisa Ehara, Kazuhiko Kobayashi, Joh Ebara, Seiichi Handa, Yuji Matsuda +3 more 2010-04-06
7653332 Image forming apparatus having enhanced controlling method for reducing deviation of superimposed images Yasuhisa Ehara, Kazuhiko Kobayashi, Joh Ebara, Noriaki Funamoto, Seiichi Handa +3 more 2010-01-26
7630657 Method, apparatus, and program for image forming capable of effectively adjusting positional deviation Yasuhisa Ehara, Kazuhiko Kobayashi, Joh Ebara, Seiichi Handa, Noriaki Funamoto +2 more 2009-12-08
7603061 Image forming apparatus Joh Ebara, Handa Seiichi, Matsuda Yuji, Yasuhisa Ehara, Kobayashi Kazuhiko +3 more 2009-10-13