Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833228 | Toner and an image formation method | Yasushige Nakamura, Seijiro Ishimaru, Mutsuo Watanabe | 2004-12-21 |
| 6821696 | Toner for optical fixing, manufacturing method therefor and image formation apparatus using it | Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka, Seijiro Ishimaru, Satoshi Takezawa +4 more | 2004-11-23 |
| 6746808 | Image forming color toner, color image forming method and color image forming apparatus | Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka, Seijiro Ishimaru, Satoshi Takezawa +1 more | 2004-06-08 |
| 6737210 | Image formation method, electrophotographic toners, and printed matter | Osamu Uchinokura, Hachiroh Tosaka, Hiroshi Yamashita, Shinichi Kuramoto, Masae Nakamura +3 more | 2004-05-18 |
| 6727030 | Toner and an image formation method | Yasushige Nakamura, Seijiro Ishimaru, Mutsuo Watanabe | 2004-04-27 |
| 6704538 | Color image forming apparatus and color toner | Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka | 2004-03-09 |