Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7220773 | Pyrrole derivative | Ryu Nagata, Katsunori Maruta, Kiyotaka Iwai, Kantaro Ushiroda, Kozo Yoshida | 2007-05-22 |
| 6759429 | Pyrrole derivatives | Teruhisa Tokunaga, William Hume, Ryu Nagata | 2004-07-06 |