Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374512 | Silver halide photographic emulsion | Katsuhiko Heki | 1994-12-20 |
| 5324625 | Silver halide color photographic light-sensitive material | Shigeto Hirabayashi, Yasushi Usagawa, Nobuaki Kagawa | 1994-06-28 |
| 5290669 | Silver halide color photographic light-sensitive material | Shigeto Hirabayashi, Yasushi Usagawa, Nobuaki Kagawa | 1994-03-01 |