Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883868 | 7-amino-3-(substituted isoindolinium)methyl-3-cephem derivatives | Susumu Nakagawa, Ryosuke Ushijima, Fumio Nakano, Koji Yamada | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883868 | 7-amino-3-(substituted isoindolinium)methyl-3-cephem derivatives | Susumu Nakagawa, Ryosuke Ushijima, Fumio Nakano, Koji Yamada | 1989-11-28 |