Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163051 | Crystal of spiroketal derivatives and process for preparation of spiroketal derivatives | Takuma Ikeda, Nobuaki Kimura, Akira Kawase, Masahiro Nagase, Keisuke Yamamoto +3 more | 2015-10-20 |
| 9133174 | Method for producing coumarin derivative | Takuma Ikeda, Takahiro Ichige | 2015-09-15 |
| 8569520 | Crystal of spiroketal derivatives and process for preparation of spiroketal derivatives | Takuma Ikeda, Nobuaki Kimura, Akira Kawase, Masahiro Nagase, Keisuke Yamamoto | 2013-10-29 |
| 5110925 | Pyridazinone derivatives | You Kusase, Nobuo Mochizuki, Michinori Takebayashi | 1992-05-05 |