TS

Tsunemi Sugiyama

Ricoh Company: 3 patents #66 of 684Top 10%
Overall (2003): #19,899 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6660443 Dry toner and image forming method using same Shigeru Emoto, Hiroshi Yamashita, Masami Tomita, Kazuhito Watanabe, Chiaki Tanaka 2003-12-09
6544704 Two-component developer, container filled with the two-component developer, and image formation apparatus Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Hiroto Higuchi, Fumihiro Sasaki +3 more 2003-04-08
6534232 ELECTROPHOTOGRAPHIC IMAGE FORMATION METHOD, CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER, CONTAINER HOLDING THEREIN THE TWO-COMPONENT DEVELOPER, AND ELECTROPHOTOGRAPHIC IMAGE FORMATION APPARATUS Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Hiroto Higuchi 2003-03-18