Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839264 | Silver halide photographic material | Shuji Kida, Yutaka Kaneko, Kenji Kadokura, Kosaku Masuda | 1989-06-13 |
| 4814262 | Silver halide photographic light-sensitive material to provide dye-image with improved color-fastness to light | Shuichi Sugita, Naoko Shimada, Satoshi Nakagawa, Yutaka Kaneko, Toyoki Nishijima | 1989-03-21 |