Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080755 | 1,9-diazabicyclo[4.3.0]nona-3,8-diene derivatives | Hiroshi Matsunaga, Souiti Kaneda, Yoshiyuki Shikata, Toshio Kumagai | 2000-06-27 |
| 4918184 | Azetidin-2-one derivatives, and process for production thereof using tin enolates | Yoshimitsu Nagao, Toshio Kumagai, Satoshi Tamai, Yasuhiro Kuramoto | 1990-04-17 |