Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812391 | Silver halide photographic material containing polymer fixation accelerator | Tomokazu Yasuda | 1989-03-14 |
IT
Ichizo Toya
Overall (1989): #102,560 of 140,708Top 75%
1
Patents 1989