Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342603 | Purine derivatives having cyclopropane ring | Taketo Hayashi, Junichi Yasuoka | 2002-01-29 |
| 6156892 | Purine derivatives having cyclopropane ring | Taketo Hayashi, Junichi Yasuoka | 2000-12-05 |