Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5110719 | Process for preparing a direct positive photographic material | Sadanobu Shuto, Shigeo Hirano | 1992-05-05 |
| 5081009 | Process for preparing an internal latent image silver halide emulsion | Sadanobu Shuto, Noriyuki Inoue, Naoyasu Deguchi | 1992-01-14 |
| 4623612 | Method of developing silver halide photographic light-sensitive materials | Toshihiro Nishikawa | 1986-11-18 |
| 4556633 | Silver halide color light-sensitive materials | Toshinao Ukai, Masaki Okazaki, Naoyasu Deguchi, Munehisa Fujita, Kiyohiko Yamamuro | 1985-12-03 |