Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421912 | Cephalosporin derivatives | Mitsuo Numata, Masayoshi Yamaoka, Mitsuru Shiraishi, Toshio Miyawaki | 1983-12-20 |
| 4379924 | Cephalosporin derivatives | Mitsuo Numata, Masayoshi Yamaoka, Mitsura Shiraishi, Toshio Miyawaki | 1983-04-12 |