Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833228 | Toner and an image formation method | Yasushige Nakamura, Seijiro Ishimaru, Yoshimichi Katagiri | 2004-12-21 |
| 6727030 | Toner and an image formation method | Yasushige Nakamura, Seijiro Ishimaru, Yoshimichi Katagiri | 2004-04-27 |