KS

Keisuke Sugiyama

Ricoh Company: 5 patents #145 of 1,683Top 9%
Overall (2011): #16,430 of 364,097Top 5%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8064801 Drive transmission device, and image forming apparatus and process cartridge using same Yasuhisa Ehara, Toshiyuki Uchida, Noriaki Funamoto 2011-11-22
8010019 Image forming apparatus Noriaki Funamoto, Joh Ebara, Kazuhiko Kobayashi, Toshiyuki Uchida, Yasuhisa Ehara 2011-08-30
8010026 Image forming system and method of detecting color misregistration Kazuhiko Kobayashi, Yasuhisa Ehara, Joh Ebara, Toshiyuki Uchida, Noriaki Funamoto 2011-08-30
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, Kouji Amanai, Seiichi Handa +3 more 2011-05-03
7885577 Rotation transmission device and image forming apparatus 2011-02-08