Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697013 | Image forming apparatus for forming images in accordance with an electrophotographic process | — | 1997-12-09 |
| 5678143 | Image forming apparatus for collecting residual toner from a drum using an AC voltage | Akira Nagahara, Mitsuhito Furukawa, Shigenobu Utaka, Yoshio Yamaguchi, Mitsuru Sato +3 more | 1997-10-14 |