Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331598 | Maytansinoids | Motowo Izawa, Seiichi Tanida | 1982-05-25 |
| 4315989 | Biologically pure culture of the microorganism Nocardia ATCC31280 | Eiji Higashide, Mitsuko Asai | 1982-02-16 |