RS

Ryo Sugiyama

Canon: 6 patents #98 of 3,589Top 3%
Overall (2018): #17,592 of 503,207Top 4%
6
Patents 2018

Issued Patents 2018

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10078291 Developing apparatus having a projecting regulating member and process cartridge Takaaki Shinkawa, Kazuhiro Okubo, Jun Miura, Yoshinobu Ogawa, Mitsuru Okuda 2018-09-18
10073374 Developing apparatus having multi-part regulating member, process cartridge and electrophotographic image forming apparatus Yoshinobu Ogawa, Mitsuru Okuda 2018-09-11
9989883 Developing apparatus, process cartridge and electrophotographic image forming apparatus Mitsuru Okuda, Yoshinobu Ogawa 2018-06-05
9971276 Developing member, method of producing developing member, process cartridge, and electrophotographic apparatus Kazutoshi Ishida, Yuji Sakurai, Rieko Takabe, Sosuke Yamaguchi 2018-05-15
9952532 Developing apparatus, electrophotographic process cartridge, and electrophotographic image forming apparatus Yuji Sakurai, Yoshinobu Ogawa, Kazutoshi Ishida, Mitsuru Okuda 2018-04-24
9921518 Developing roller, with conductive elastic layer having exposed protrusions, cartridge and apparatus Yuji Sakurai, Kazutoshi Ishida, Rieko Takabe 2018-03-20