Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648839 | Image forming apparatus | Toshiharu Koshino, Kazumasa Hayashi, Kenji Asakura, Katsutoshi Ogawa | 1997-07-15 |
| 5640648 | Electrophotographic apparatus having sealing member | Kazumasa Hayashi, Katsutoshi Ogawa, Kenji Asakura, Toshiharu Koshino | 1997-06-17 |