Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831411 | Image processing apparatus capable of forming images on both sides or overlying images on one side of a recording material | — | 1989-05-16 |
| 4797706 | Multi-unit image processing system with central control | Masanori Yamada | 1989-01-10 |