Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868102 | Direct positive silver halide light-sensitive photographic material | Keiji Ogi, Eiichi Sakamoto, Nariko Isozaki | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868102 | Direct positive silver halide light-sensitive photographic material | Keiji Ogi, Eiichi Sakamoto, Nariko Isozaki | 1989-09-19 |