Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666911 | Allophanoylpiperazine compound and analgesic composition containing same as active ingredient | Hajime Fujimura, Takahiro Yabuuchi, Masakatu Hisaki, Katsuo Takikawa, Takaji Honna +2 more | 1987-05-19 |