Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679507 | Method for chemically sensitizing silver halide photographic emulsion | Tetsuya Yoshida, Kazuyoshi Ichikawa, Haruhiko Masutomi, Yusuke Kawahara | 1997-10-21 |
| 5591570 | Light-sensitive silver halide photographic emulsion, silver halide photographic light sensitive material and method for processing silver halide photographic light-sensitive material | Hideki Takiguchi, Nobuaki Tsuji, H o Socman, Katsuhiko Heki | 1997-01-07 |