Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837136 | Silver halide photographic materials comprising non-diffusible photographically useful compounds | Seiji Ichijima, Yasuhiro Shimada | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837136 | Silver halide photographic materials comprising non-diffusible photographically useful compounds | Seiji Ichijima, Yasuhiro Shimada | 1989-06-06 |