Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619311 | Roller charging apparatus and image forming apparatus using the same | Junji Kurokawa, Toshio Nakahara | 1997-04-08 |
| 4538901 | Electrophotographic copier with a phantom image suppression function | — | 1985-09-03 |