Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597820 | 1, 4-benzoxazine derivative and pharmaceutical compositions containing the same | Ikuo Watanabe, Hiroshi Ohtaka, Kengo Harada, Joji Maruo, Tominori Morita +2 more | 1997-01-28 |