Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562138 | Nitrogen-containing heterocyclic blocked mercapto development inhibitors | Kaoru Onodera | 1985-12-31 |
| 4482629 | Light-sensitive silver halide color photographic material | Satoshi Nakagawa, Hiroshi Sugita, Shuzi Kida, Ken-ichi Kishi | 1984-11-13 |
| 4438193 | Silver halide photosensitive color photographic material | Kenichi Kishi, Satoshi Nakagawa, Shuji Kida | 1984-03-20 |
| 4433046 | Silver halide photographic material | Kenichi Kishi, Satoshi Nakagawa, Shuji Kida | 1984-02-21 |
| 4421845 | Silver halide photographic light-sensitive material | Kenichi Kishi, Satoshi Nakagawa, Shuji Kida, Hiroshi Sugita | 1983-12-20 |
| 4256831 | Light-sensitive photographic element comprising a magenta image dye-providing compound | Masaru Kanbe, Kazumasa Watanabe, Jiro Takahashi, Ryuichiro Kobayashi, Tatsuhiko Kobayashi | 1981-03-17 |
| 4247629 | Light-sensitive photographic element comprising a cyan image dye-providing compound | Masaru Kanbe, Kazumasa Watanabe, Jiro Takahashi, Ryuichiro Kobayashi, Tatsuhiko Kobayashi | 1981-01-27 |
| 4225708 | 2-Sulfamoyl-5-sulfamido-1-naphthols | Masaru Kanbe, Kazumasa Watanabe, Jiro Takahashi, Ryuichiro Kobayashi, Tatsuhiko Kobayashi | 1980-09-30 |