Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839351 | Antibacterial compounds, and use | Tatsuo Nishimura, Akio Miyake, Naoto Hashimoto | 1989-06-13 |
| 4826834 | Cephem compounds | Naoto Hashimoto, Shoji Kishimoto | 1989-05-02 |
| 4797395 | 1-Acyloxyalkyl esters of cephalosporin | Akio Miyake, Mitsuo Numata | 1989-01-10 |