Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473582 | Contact-type charging device having a plurality of projections over the surface of the charging device | Yasunori Chigono, Jun Hirabayashi | 2002-10-29 |
| 6466758 | Developing apparatus having foreign matter accumulating space | Yasunori Chigono, Jun Hirabayashi | 2002-10-15 |
| 6442362 | Image forming apparatus for making recovery and restoration of toners by electrical conductive member | Jun Hirabayashi, Yasunori Chigono | 2002-08-27 |
| 6389254 | Charging member holding charge accelerating particles in a continuous bubble | Yasunori Chigono, Jun Hirabayashi | 2002-05-14 |