SY

Shishan Yuan

PI Protatek International: 2 patents #2 of 6Top 35%
📍 Windom, MN: #1,276 of 2,819 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,161,440 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7273617 Infectious cDNA clones of porcine reproductive and respiratory syndrome virus and expression vectors thereof Shi-jun Ma 2007-09-25
6841364 Infectious cDNA clones of porcine reproductive and respiratory syndrome virus and expression vectors thereof Shi-jun Ma 2005-01-11