Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H706 | Silver halide color photosensitive materials | Osamu Takahashi, Masakazu Morigaki | 1989-11-07 |
| 4865963 | Silver halide color photographic materials containing novel magenta coupler | Tadahisa Sato, Seiki Sakanoue, Akio Mitsui, Minoru Sakai, Masakazu Morigaki +5 more | 1989-09-12 |
| 4857444 | Color photographic light-sensitive material | Takeshi Hirose, Tadashi Ogawa | 1989-08-15 |
| 4840878 | Method of color image formation using a high chloride emulsion and a developer free of benzyl alcohol | Takeshi Hirose, Kozo Aoki, Kiyoshi Nakazyo, Genichi Furusawa | 1989-06-20 |
| 4822730 | Silver halide color photographic light-sensitive materials containing a pyrazoloazole magenta coupler | Toshio Kawagishi, Kiyoshi Nakazyo | 1989-04-18 |