Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882266 | Silver halide color photographic material containing a pyrazoloazole magenta coupler | Kiyoshi Nakazyo | 1989-11-21 |
| 4865963 | Silver halide color photographic materials containing novel magenta coupler | Nobuo Furutachi, Tadahisa Sato, Seiki Sakanoue, Akio Mitsui, Minoru Sakai +5 more | 1989-09-12 |
| 4845282 | Process for prostaglandin E.sub.1 production, and novel delta 7-prostaglandins E and 7-hydroxyprostaglandins E | Ryoji Noyori, Masaaki Suzuki, Seizi Kurozumi | 1989-07-04 |
| 4822730 | Silver halide color photographic light-sensitive materials containing a pyrazoloazole magenta coupler | Nobuo Furutachi, Kiyoshi Nakazyo | 1989-04-18 |