Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266019 | Silver halide photographic material containing yellow coupler | Hidetoshi Kobayashi, Mitsugu Tanaka, Hideki Naito | 1981-05-05 |
| 4203768 | Silver halide color photographic material and method for formation of color photographic images | Hideki Naito | 1980-05-20 |