Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831603 | Timing control device for driving mechanism | — | 1989-05-16 |
| 4814817 | Image forming device with separable units | Masaru Nishijima, Masanobu Deguchi | 1989-03-21 |
| 4796063 | Multiple-unit type copying apparatus | Akira Mitsuyama, Masanobu Deguchi | 1989-01-03 |