Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528188 | Polysaccharide PS-A obtained from barrenwort deriving from plants belonging to the genus Epimedium, process for preparation thereof and phylactic and immunostimulating agents comprising said polysaccharide PS-A effective component | Susumu Mitsuhashi, Muneaki Takase, Ichiro Washizawa, Kimitomo Yoshioka | 1985-07-09 |
| 4501736 | Extract from barrenwort | Susumu Mitsuhashi, Muneaki Takase, Ichiro Washizawa, Kimitomo Yoshioka | 1985-02-26 |