Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865957 | Color photographic light-sensitive material comprising a combination of cyan couplers and UV absorbers | Keiichi Adachi | 1989-09-12 |
| 4865963 | Silver halide color photographic materials containing novel magenta coupler | Nobuo Furutachi, Tadahisa Sato, Seiki Sakanoue, Akio Mitsui, Masakazu Morigaki +5 more | 1989-09-12 |
| 4818675 | Silver halide photographic light sensitive material with improved silver blackness of picture image | Nobuaki Miyasaka, Hideo Ikeda, Shigeru Ohno, Yasuo Mukunoki | 1989-04-04 |
| 4797349 | Method for forming a color image comprising developing a light sensitive material containing a surfactant with a developer not containing benzyl alcohol | Osamu Takahashi, Tadashi Ogawa, Masaharu Toriuchi | 1989-01-10 |