Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689770 | Image forming apparatus which maintains a temperature of a charge roller | Junji Kurokawa, Kazuo Nojima, Masako Chiba | 1997-11-18 |
| 5619311 | Roller charging apparatus and image forming apparatus using the same | Junji Kurokawa, Norimasa Soumiya | 1997-04-08 |