SC

Susumu Chiba

Ricoh Company: 3 patents #215 of 1,821Top 15%
Overall (2018): #56,119 of 503,207Top 15%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10156801 Toner Kohsuke Nagata, Shinya Nakayama, Tsuyoshi Sugimoto, Daisuke Asahina 2018-12-18
9921503 Toner, developer, and image formation device Hiroshi Yamada, Tsuyoshi Sugimoto, Shinsuke Nagai, Kohsuke Nagata, Shinya Nakayama +2 more 2018-03-20
9885967 Resin for toner, toner, developer, image forming apparatus, and process cartridge Azumi Miyaake, Daisuke Asahina, Toyoshi Sawada, Hiroshi Yamashita, Tsuyoshi Sugimoto +2 more 2018-02-06