Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592267 | Image forming apparatus using fresh toner and used toner | Naomi Misago | 1997-01-07 |
| 5394231 | Image forming apparatus capable of forming an erasable image | Mitsuo Tanaka, Chikara Imai, Koji Suzuki, Norimasa Sohmiya, Sadao Takahashi | 1995-02-28 |