Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835519 | Dry toner and image forming method using same | Tsunemi Sugiyama, Hiroshi Yamashita, Masami Tomita, Kazuhito Watanabe, Chiaki Tanaka | 2004-12-28 |
| 6824945 | Electrophotographic toner | Masami Tomita, Hiroshi Yamashita, Tsunemi Sugiyama | 2004-11-30 |
| 6800412 | Toner for dry developing | Tsunemi Sugiyama, Masami Tomita, Hiroshi Yamashita | 2004-10-05 |
| 6787280 | Electrophotographic toner and method of producing same | Hiroshi Yamashita, Tsunemi Sugiyama, Shinichiro Yagi, Hiroshi Yamada, Masami Tomita +3 more | 2004-09-07 |
| 6756175 | Method for fixing toner | Chiaki Tanaka, Naohiro Watanabe, Hiroshi Yamada, Tsunemi Sugiyama, Hiroshi Yamashita +2 more | 2004-06-29 |
| 6740460 | Dry toner | Masami Tomita, Hiroshi Yamasita, Tsunemi Sugiyama | 2004-05-25 |
| 6682866 | Toner for dry developing | Tsunemi Sugiyama, Masami Tomita, Hiroshi Yamashita | 2004-01-27 |