Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933439 | Tylosin derivatives and processes for producing the same | Takeo Yoshioka, Azuma Watanabe, Hiroyuki Chiba, Kaichiro Kominato, Yasuo Fukagawa +2 more | 1990-06-12 |
| 4463171 | Derivatives of macrolide antibiotics | Hamao Umezawa, Tomio Takeuchi, Kuniaki Tatsuta, Tomoyuki Ishikura, Rokuro Okamoto +1 more | 1984-07-31 |