Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872037 | Image forming apparatus and control system therefor | Nobuo Kasahara, Masayosi Watanuki, Tadahide Sawamura | 1989-10-03 |
| 4864367 | Image transferring device for a copier | Nobuo Kasahara | 1989-09-05 |
| 4862214 | Image forming apparatus | Nobuo Kasahara | 1989-08-29 |