Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997984 | Process for preparation of N-(.alpha.-alkoxyethyl)-carboxylic acid amide | Tetsuo Kudo, Kuniomi Marumo | 1991-03-05 |
| 4994360 | Silver halide photographic sensitive material | Shinji Yoshimoto, Satoshi Nakagawa, Yutaka Kaneko | 1991-02-19 |
| 4931383 | Silver halide photographic light-sensitive material | Satoshi Nakagawa, Naoko Shimada | 1990-06-05 |
| 4814262 | Silver halide photographic light-sensitive material to provide dye-image with improved color-fastness to light | Shinji Yoshimoto, Naoko Shimada, Satoshi Nakagawa, Yutaka Kaneko, Toyoki Nishijima | 1989-03-21 |