Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6389255 | Charging device including a charging roller, a charging roller cleaning member with a preselected length, an image forming apparatus using the charging device, and a method of operating the device | Akira Sawada, Daisuke Saito | 2002-05-14 |