Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4374923 | Direct positive silver halide photographic light-sensitive material | Shigeo Hirano, Nobuyuki Tsujino | 1983-02-22 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4374923 | Direct positive silver halide photographic light-sensitive material | Shigeo Hirano, Nobuyuki Tsujino | 1983-02-22 |