YS

Yojiro Sato

Kyocera: 3 patents #999 of 3,732Top 30%
KM Kyocera Mita: 2 patents #289 of 763Top 40%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #750,262 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7756461 Image forming apparatus with polishing roller that changes rotational direction during a polishing mode Yoshihiko Maruyama 2010-07-13
6999704 Developing apparatus in an image forming apparatus Koichi Hayashi, Hiroyoshi Tode, Koujyu Yamamoto 2006-02-14
6852460 Toner and image forming method using the same Yukinori Nakayama, Hiroaki Moriyama, Masaki Ishii, Noriya Okamoto 2005-02-08
6381437 Image formation method and apparatus using electrophotography Yoshio Ozawa, Hisashi Mukataka, Yuji Kamiyama, Motoki Moriguchi 2002-04-30
6029034 Image forming apparatus having an .alpha.-Si photosensitive drum and a non-magnetic uni-component toner Keiji Itsukushima, Yoshio Ozawa, Hisashi Mukataka 2000-02-22
4970584 Method and apparatus for the compensation of color detection Kaoru Imao 1990-11-13
4277805 Combination copying-facsimile reproduction apparatus 1981-07-07