Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296492 | Certain chroman derivatives useful for treating symptoms caused by contraction of smooth muscles, circulatory diseases or epilepsy | Akira Shiozawa, Kazuhisa Narita, Yukihiro Sagawa, Makoto Hosono, Masashi Iida | 1994-03-22 |