Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6594457 | Brush roll cleaning unit and image formation apparatus using it | Yasuyuki Tsutsumi | 2003-07-15 |
| 6589700 | Image carrier and apparatus and method for recording image using image carrier | Yasuyuki Tsutsumi, Kazuya Yamanoi, Tadashi Kiyama, Kazuo Maruyama | 2003-07-08 |