Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4499181 | Photographic recording material with indole redox releaser | Kazumasa Watanabe, Shunji Suginaka | 1985-02-12 |
| 4205990 | Process for forming a cyan dye image by the use of a 2-equivalent cyan coupler | Takaya Endo, Shoji Kikuchi, Toshiki Komaita | 1980-06-03 |