Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787560 | Serotonin reuptake inhibitor | Shuji Masumoto, Koji Koyama, Naoya Kinomura | 2004-09-07 |
| 5719152 | Tricyclic quinoxalinedione derivatives | Ryu Nagata, Norihiko Tanno, Hiroshi Yamaguchi, Nobuyuki Ae | 1998-02-17 |
| 5616586 | Tricyclic quinoxalinediones | Ryu Nagata, Norihiko Tanno | 1997-04-01 |