Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670391 | Benzopyran derivative and antiallergic agent | Hidetsugu Takagaki, Shingo Tanabe, Yasuo Aoki | 2003-12-30 |
| 6627642 | Quinolinone derivative preparations and process for producing the same | Hiroyuki Fukui, Hidetsugu Takagaki, Nahoko Muratake | 2003-09-30 |