Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4968784 | Phenylazophenylazonaphtholsulfonic acids substituted by a triaminotriazine radical | Masahiro Hiraki, Yoshiaki Shimizu | 1990-11-06 |
| 4845235 | Pyrroline derivative | Hiroyuki Matumoto, Shozi Tada | 1989-07-04 |