Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689770 | Image forming apparatus which maintains a temperature of a charge roller | Kazuo Nojima, Masako Chiba, Toshio Nakahara | 1997-11-18 |
| 5619311 | Roller charging apparatus and image forming apparatus using the same | Toshio Nakahara, Norimasa Soumiya | 1997-04-08 |
| 5602627 | Electrifying roller, roller electrifying apparatus using the same, and image forming apparatus using the same | — | 1997-02-11 |