Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866069 | Substance 4181-2 and its derivatives having anti-leukemia activity | Qi Chang-qing, Tian Jie, Teruyoshi Marunaka, Yuji Yamada, Ichiro Yamawaki +2 more | 1989-09-12 |
| 4814449 | Substance 4181-2 | Qi Chang-qing, Tian Jie, Teruyoshi Marunaka, Yuji Yamada, Ichiro Yamawaki +2 more | 1989-03-21 |