Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883879 | Cephalosporin compounds, processes for their preparation and antibacterial agents | Yoshiyuki Zama, Nobuo Ishiyama, Takanobu Naito, Masao Hirose, Masaaki Yokoyama +4 more | 1989-11-28 |
| 4882314 | A composition and method of treating selected malignant conditions | Setsuo Takeuchi, Mutsuyuki Kochi, Akira Kawarada, Shinichiro Esumi, Kaguya Sasaki +4 more | 1989-11-21 |
| 4822786 | Cephalosporin compounds, and antibacterial agents | Yoshiyuki Zama, Nobuo Ishiyama, Takanobu Naito, Masao Hirose, Masaaki Yokoyama +4 more | 1989-04-18 |