Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633390 | Silver halide photographic material containing pyrazolone-pentamethine oxonol dye | Tetsuo Nakamura, Kiyoshi Kawai | 1997-05-27 |
| 5620839 | Silver halide photographic material | Fumio Kawamoto | 1997-04-15 |