Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821696 | Toner for optical fixing, manufacturing method therefor and image formation apparatus using it | Yoshimichi Katagiri, Yasushige Nakamura, 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, Tomoaki Tanaka, Yoshimichi Katagiri, Seijiro Ishimaru, Satoshi Takezawa +1 more | 2004-06-08 |
| 6704538 | Color image forming apparatus and color toner | Yasushige Nakamura, Tomoaki Tanaka, Yoshimichi Katagiri | 2004-03-09 |