Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312727 | Silver halide photographic light-sensitive material having a high sensitivity and capable of forming an image with an excellent quality and gradation | Toshihiko Yagi, Hiroyuki Hoshino, Katsuhiko Suzuki | 1994-05-17 |
| 5306611 | Silver halide photographic emulsion materials | Toshihiko Yagi, Masaru Iwagaki, Hideo Akamatsu, Minoru Ishikawa | 1994-04-26 |
| H1300 | Silver halide light sensitive color photographic material | Toshihiko Yagi, Hiroyuki Hoshino, Katsuhiko Heki | 1994-04-05 |