Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663788 | Efficiently removable developing toner in an electrostatic image forming apparatus | — | 1997-09-02 |
| 5638158 | Image formation apparatus | Hirohisa Otsuka, Kazuhisa Sudo | 1997-06-10 |
| 5614998 | Image forming apparatus having a toner recycling mechanism | — | 1997-03-25 |