Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665528 | Silver halide photographic material containing dye | Keisuke Matsumoto, Keiichi Suzuki | 1997-09-09 |
| 5609999 | Silver halide color photographic material | Shunichi Aida, Keisuke Matsumoto, Toshiyuki Watanabe | 1997-03-11 |