Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7964623 | Tricyclic benzopyrane compound | Kazuhiko Ohrai, Osamu Uesugi, Takumi Okada, Tomoyuki Matsuda | 2011-06-21 |
| 7652008 | Tricyclic benzopyran compound as anti-arrhythmic agents | Kazuhiko Ohrai, Osamu Uesugi, Takumi Okada, Tomoyuki Matsuda | 2010-01-26 |