Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773876 | Silver halide emulsion, production process thereof and novel pyridinium compound | Shigeharu Urabe, Kazutaka Takahashi, Tadashi Inaba | 2004-08-10 |
| 6696234 | Silver halide photosensitive material and isothiazolidine-3-one derivative | Tadashi Inaba, Masaru Takasaki, Atsushi Matsunaga, Mamoru Sakurazawa | 2004-02-24 |
| 6689555 | SILVER HALIDE COLOR PHOTOGRAPHIC LIGHT-SENSITIVE MATERIAL AND IMAGE FORMATION METHOD USING THE SAME, SILVER HALIDE EMULSION, REDUCING COMPOUND HAVING GROUP ADSORPTIVE TO SILVER HALIDE AND METHOD FOR PRODUCING THE SAME | Atsushi Matsunaga, Tadashi Inaba | 2004-02-10 |
| 6686139 | Silver halide photographic photosensitive material | Katsuhiko Kanazawa, Terukazu Yanagi, Yoshihisa Tsukada | 2004-02-03 |