Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847652 | Image transfer device | Zitsuo Masuda, Yoshiharu Tsujimoto, Masashi Hirai | 1989-07-11 |
| 4827306 | Discharging apparatus and method for use in a copying machine | Yoshiharu Tsujimoto, Yuhi Yui, Teruhiko Noguchi, Itaru Kawabata | 1989-05-02 |