SC

Susumu Chiba

Ricoh Company: 5 patents #109 of 1,810Top 7%
Overall (2017): #25,484 of 506,227Top 6%
5
Patents 2017

Issued Patents 2017

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9785074 Polyester resin for toner, toner, developer, and image formation device Kohsuke Nagata, Shinya Nakayama, Tsuyoshi Sugimoto, Hiroshi Yamada, Shinsuke Nagai +1 more 2017-10-10
9785075 Toner, developer, image forming apparatus, and process cartridge Shinya Nakayama, Atsushi Yamamoto, Minoru Masuda, Toyoshi Sawada, Hiroshi Yamashita 2017-10-10
9563141 Toner, developer, and image forming apparatus Tsuyoshi Sugimoto, Hiroshi Yamashita, Daisuke Asahina, Satoyuki Sekiguchi 2017-02-07
9557669 Toner, developer, and image forming apparatus Shinsuke Nagai, Shinya Nakayama, Tsuyoshi Sugimoto, Kohsuke Nagata, Daisuke Asahina 2017-01-31
9557672 Toner, developer, and image forming apparatus Tsuyoshi Sugimoto, Shinya Nakayama, Kohsuke Nagata, Shinsuke Nagai, Daisuke Asahina 2017-01-31