Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587505 | Triterpene derivatives and endothelin-receptor antagonists containing the same | Toshiro Konoike, Yoshitaka Araki, Kensuke Sakurai, Takehiko Tozyo | 1996-12-24 |
| 5463107 | Triterpene derivatives and endothelin-receptor antagonists containing the same | Toshiro Konoike, Yoshitaka Araki, Kensuke Sakurai, Takehiko Tozyo | 1995-10-31 |