Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7425642 | Heteroaryl derivative | Ken Watanabe, Kantaro Ushiroda, Ryu Nagata | 2008-09-16 |
| 7220773 | Pyrrole derivative | Ryu Nagata, Kiyotaka Iwai, Makoto Kitoh, Kantaro Ushiroda, Kozo Yoshida | 2007-05-22 |