Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5049940 | Image forming apparatus | Yasuyoshi Yamaguchi, Yasuhiko Ozawa, Masataka Suzuki, Akira Sato, Yoshinori Asai +1 more | 1991-09-17 |
| 4923726 | Lightsafe masking film | Hiroshi Maruyama | 1990-05-08 |
| 4697942 | Ribbon shifting device for a printing apparatus | Takashi Yagi, Yasuo Domoto | 1987-10-06 |