Issued Patents All Time
Showing 76–82 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242431 | Method for stabilizing organic substrate materials including photographic dye images to light and a photographic material so stabilized | Hiroshi Hara, Yoshiaki Suzuki | 1980-12-30 |
| 4242430 | Method for stabilizing organic substrate materials including photographic dye images against light | Hiroshi Hara, Yoshiaki Suzuki | 1980-12-30 |
| 4241155 | Method for stabilizing organic substrates including photographic dye images against light | Hiroshi Hara, Yoshiaki Suzuki, Shigeru Oono | 1980-12-23 |
| 4237217 | Silver halide emulsion containing two-equivalent magenta coupler | Atsuaki Arai, Keisuke Shiba, Minoru Yamada, Nobuo Furutachi | 1980-12-02 |
| 4220711 | Silver halide color photographic light-sensitive element | Akio Mitsui | 1980-09-02 |
| 4220470 | Silver halide material containing photographic magenta coupler | Nobuo Furutachi, Atsuaki Arai, Minoru Yamada, Keisuke Shiba | 1980-09-02 |
| 4217410 | Silver halide color photographic light-sensitive materials with phosphate solvent | Akio Mitsui | 1980-08-12 |