Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946844 | Optically active benzoquinolizine compounds, process for preparing same, and antibacterial preparation containing same as active ingredient | Yasuhiro Nagamatsu, Senji Suzuki | 1990-08-07 |