Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667960 | Method for hardening gelatin and silver halide photographic light sensitive materials employing the method | Yasushi Usagawa | 1997-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667960 | Method for hardening gelatin and silver halide photographic light sensitive materials employing the method | Yasushi Usagawa | 1997-09-16 |