TS

Toyoshi Sawada

Ricoh Company: 4 patents #178 of 1,810Top 10%
Overall (2017): #36,013 of 506,227Top 8%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9851649 Toner, developer, image forming apparatus, and image forming method Keiji Makabe, Tsuyoshi Sugimoto, Akinori Saito, Suzuka Amemori, Hiroshi Yamashita +4 more 2017-12-26
9804515 Toner, image forming apparatus, image forming method, process cartridge, and developer Hideki Sugiura, Shinya Nakayama 2017-10-31
9785075 Toner, developer, image forming apparatus, and process cartridge Shinya Nakayama, Atsushi Yamamoto, Minoru Masuda, Susumu Chiba, Hiroshi Yamashita 2017-10-10
9594322 Toner for image formation, and developer and image forming apparatus using the toner Suzuka Amemori, Tsuyoshi Sugimoto, Akinori Saito, Keiji Makabe 2017-03-14