Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857626 | Wholly aromatic polyester and process for its production | Osamu Kishiro, Atsushi Kasai, Seiichi Nozawa | 1989-08-15 |
| 4853792 | Image signal binary encoder | Yuji Katsuta | 1989-08-01 |