Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931383 | Silver halide photographic light-sensitive material | Shuichi Sugita, Satoshi Nakagawa | 1990-06-05 |
| 4814262 | Silver halide photographic light-sensitive material to provide dye-image with improved color-fastness to light | Shuichi Sugita, Shinji Yoshimoto, Satoshi Nakagawa, Yutaka Kaneko, Toyoki Nishijima | 1989-03-21 |