Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4945388 | Method and apparatus for cleaning a color image forming apparatus by sticking developer on the photoconductor without forming an image | Keigo Tange, Shingo Hirota | 1990-07-31 |
| 4910560 | Cleaning device for use in copying machine | — | 1990-03-20 |
| 4862221 | Cleaning device | Kenji Tabuchi | 1989-08-29 |