Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822791 | Pharmaceutical compositions of-2,2-1,1-[bis-2,2'-(3,1-benzoxazin-4-one)9 ethylenes | Hitoshi Matsumoto, Hisao Kakegawa, Yoshiko Kato, Juichi Riku, Junji YOSHINAGA +1 more | 1989-04-18 |