Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876184 | Heat-developable light-sensitive material | Ken Kawata | 1989-10-24 |
| 4816363 | Photographic element | Hideki Naito | 1989-03-28 |
| 4814254 | Heat developable photographic element with conductive layer | Hideki Naito | 1989-03-21 |