Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888332 | Cephalosporin derivatives | Hiroshi Kosuzume, Masahiro Mizota, Yasuo Suzuki, Ei Mochida | 1989-12-19 |
| 4840945 | Cephalosporin derivatives | Hiroshi Kosuzume, Masahiro Mizota, Yasuo Suzuki, Ei Mochida | 1989-06-20 |