Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832062 | Charging apparatus, process cartridge and image forming apparatus having electroconductive particles charged in a nip between a charging member and a member to be charged | Yasunori Chigono, Jun Hirabayashi, Norio Takahashi | 2004-12-14 |
| 6788911 | Charging apparatus, process cartridge and image forming apparatus | Yasunori Chigono, Jun Hirabayashi | 2004-09-07 |