Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318916 | Antibiotic PS-5 and derivatives having .beta.-lactamase inhibitory activity and production thereof | Kazuhiko Okamura, Shoji Hirata, Yasushi Okumura, Yasutaka Shimauchi, Tomoyuki Ishikura +2 more | 1982-03-09 |