Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33778 | 1,3-dithietane-2-carboxylic acid penicillin and cephalosporin derivatives | Masaru Iwanami, Tetsuya Maeda, Yoshinobu Nagano, Masaharu Fujimoto, Noriaki Nagano +3 more | 1991-12-24 |