Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879208 | Process for preparing silver halide grains | — | 1989-11-07 |
| 4806461 | Silver halide emulsion and photographic light-sensitive material using tabular grains having ten or more dislocations per grain | Hideo Ikeda, Munehisa Fujita, Shingo Ishimaru, Hiroshi Ayato | 1989-02-21 |
| 4797354 | Silver halide emulsions comprising hexagonal monodisperse tabular silver halide grains | Mitsuo Saitou, Katsuhisa Ozeki | 1989-01-10 |