Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4473567 | Substituted-imidazolidinyl-3-chloro-3-cephem-4-carboxylic acid | Yoshinobu Ko'oka, Hitoshi Minato | 1984-09-25 |
| 4339575 | Substituted-imidazolidinyl-3-chloro-3-cephem-4-carboxylic acid | Yoshinobu Ko'oka, Hitoshi Minato | 1982-07-13 |