Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891678 | Electrostatic recording apparatus having a cooled and insulated waste toner container | Hisao Ishizu, Yasuhiro Sagawa, Hiroshi Komai | 1990-01-02 |
| 4819030 | Cleaning device for cleaning toner image carrier | — | 1989-04-04 |