Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771920 | Charging roller including a conductive cover layer being formed of a seamless tube, process cartridge and electrophotographic image forming apparatus including such a charging roller | Hiroshi Abe, Akihiro Suzuki | 2004-08-03 |