Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888268 | Silver halide photographic materials comprising blocked photographic reagants releasing plug groups | Mitsunori Ono, Yoshio Inagaki | 1989-12-19 |
| 4845020 | Method of processing silver halide photographic material using an organic compound which loses its development restraining function by reaction with an oxidized developer | Keiji Mihayashi | 1989-07-04 |
| 4842985 | Silver halide color photographic material | Mitsunori Ono, Koji Tamoto, Keiji Mihayashi, Seiji Ichijima, Yoshisada Nakamura | 1989-06-27 |
| 4831152 | 5-halo-6-nitro-2-substituted benzoxazole compounds | Mitsunori Ono, Hidetoshi Kobayashi, Kazuyoshi Yamakawa | 1989-05-16 |