Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4219622 | Process for producing antibiotics MA 144-M.sub.1 and MA 144-M.sub.2 | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Masaaki Ishizuka, Toshikazu Oki +1 more | 1980-08-26 |
| 4204038 | Process for preparing antibiotics MA 144-M.sub.1 and MA 144-M.sub.2 | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Masaaki Ishizuka, Toshikazu Oki +1 more | 1980-05-20 |