Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359080 | Yellow dye-forming coupler and silver halide color photographic material containing same | Hidetoshi Kobayashi, Yasuhiro Yoshioka | 1994-10-25 |
| 5314797 | Silver halide color photographic material containing at least one acylacetamide yellow dye-forming coupler | Yasuhiro Yoshioka, Hidetoshi Kobayashi | 1994-05-24 |
| 5294531 | Yellow dye-forming coupler and silver halide color photographic light-sensitive material containing the same | Hidetoshi Kobayashi, Yasuhiro Yoshioka | 1994-03-15 |
| 5283166 | Yellow dye-forming coupler and silver halide color photographic light-sensitive material containing the same | Hidetoshi Kobayashi, Yasuhiro Yoshioka | 1994-02-01 |