Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859593 | New physiologically active substance, arphamenine and production thereof | Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masaaki Ishizuka | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859593 | New physiologically active substance, arphamenine and production thereof | Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masaaki Ishizuka | 1989-08-22 |