Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680252 | Silver halide light-sensitive photographic material for radiographic use | Akio Suzuki, Masatoshi Iwata, Hisashi Yamaguchi, Syoji Matsuzaka | 1987-07-14 |
| 4514491 | Photosensitive silver halide emulsion | Syoji Matsuzaka, Yuji Hotta, Masatoshi Iwata | 1985-04-30 |
| 4497895 | Method for preparing silver halide photographic emulsion | Syoji Matsuzaka, Yoshihiro Haga, Akio Suzuki, Hiroaki Shiozawa | 1985-02-05 |
| 4477560 | Light-sensitive silver halide color photographic material | Kiyoshi Yamashita, Toshifumi Iijima | 1984-10-16 |
| 4446228 | Silver halide photographic material | Chika Honda, Masatoshi Iwata | 1984-05-01 |
| 4444877 | Light-sensitive silver halide emulsion | Yoshihiro Haga, Syoji Matsuzaka | 1984-04-24 |
| 4401754 | Silver halide photographic emulsion | Akio Suzuki, Hiroaki Shiozawa, Hideki Takiguchi | 1983-08-30 |
| 4350758 | Photographic emulsion containing copper halide host crystals | Syozi Matsuzaka, Toshifumi Iijima, Tetsuya Harada | 1982-09-21 |
| 4349622 | Photographic silver halide emulsion comprising epitaxial composite silver halide crystals, silver iodobromide emulsion and process for preparing the same | Syozi Matsuzaka, Tashifumi Iijima | 1982-09-14 |
| 4232118 | Light-sensitive silver halide photographic material | Ken Okauchi, Noboru Fujimori | 1980-11-04 |