Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620973 | Tetracyclic condensed heterocyclic compounds and their use | Giichi Goto, Yuji Ishihara | 1997-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620973 | Tetracyclic condensed heterocyclic compounds and their use | Giichi Goto, Yuji Ishihara | 1997-04-15 |