Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4496484 | Penicillin derivatives | Ronald G. Micetich, Shigeru Yamabe, Naobumi Ishida | 1985-01-29 |
| 4368203 | Antibiotics and derivatives thereof having .beta.-lactamase inhibitory activity and production thereof | Kazuhiko Okamura, Yasushi Okumura, Yasuo Fukagawa, Yasutaka Shimauchi, Tomoyuki Ishikura +2 more | 1983-01-11 |
| 4318916 | Antibiotic PS-5 and derivatives having .beta.-lactamase inhibitory activity and production thereof | Kazuhiko Okamura, Yasushi Okumura, Yasuo Fukagawa, Yasutaka Shimauchi, Tomoyuki Ishikura +2 more | 1982-03-09 |