Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821696 | Toner for optical fixing, manufacturing method therefor and image formation apparatus using it | Yoshimichi Katagiri, Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka, Seijiro Ishimaru +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, Yoshimichi Katagiri, Seijiro Ishimaru +1 more | 2004-06-08 |