TS

Tsunemi Sugiyama

Ricoh Company: 7 patents #9 of 863Top 2%
Overall (2004): #3,254 of 270,089Top 2%
7
Patents 2004

Issued Patents 2004

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6835519 Dry toner and image forming method using same Shigeru Emoto, Hiroshi Yamashita, Masami Tomita, Kazuhito Watanabe, Chiaki Tanaka 2004-12-28
6824945 Electrophotographic toner Shigeru Emoto, Masami Tomita, Hiroshi Yamashita 2004-11-30
6800412 Toner for dry developing Masami Tomita, Shigeru Emoto, Hiroshi Yamashita 2004-10-05
6787280 Electrophotographic toner and method of producing same Hiroshi Yamashita, Shinichiro Yagi, Hiroshi Yamada, Masami Tomita, Toshiki Nanya +3 more 2004-09-07
6756175 Method for fixing toner Shigeru Emoto, Chiaki Tanaka, Naohiro Watanabe, Hiroshi Yamada, Hiroshi Yamashita +2 more 2004-06-29
6740460 Dry toner Masami Tomita, Shigeru Emoto, Hiroshi Yamasita 2004-05-25
6682866 Toner for dry developing Masami Tomita, Shigeru Emoto, Hiroshi Yamashita 2004-01-27