Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385110 | Process for preparing color photographic light-sensitive materials | Maskazu Yoneyama, Nobuo Tsuji | 1983-05-24 |
| 4275145 | Method for dispersing oil-soluble photographic additives | — | 1981-06-23 |
| 4211836 | Method for dispersing oil-soluble photographic additives | Masakazu Yoneyama, Yasuo Mukunoki, Jun Sasaki | 1980-07-08 |
| 4198478 | Method for dispersing a photographic additive | Masakazu Yoneyama, Jiro Yamaguchi | 1980-04-15 |
| 4195999 | Silver halide photographic material containing ultraviolet light absorbing agent | Keiichi Adachi, Shigeo Hirano, Tadashi Ikeda | 1980-04-01 |