QD

Qizhou Dai

DI Dentsply International: 2 patents #56 of 235Top 25%
📍 Dover, DE: #96 of 234 inventorsTop 45%
🗺 Delaware: #3,234 of 7,163 inventorsTop 50%
Overall (All Time): #2,037,540 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9155685 Low stress flowable dental composition Xiaoming Jin, Louis Bertrand, Michael O'Connor, Paul D. Hammesfahr, Bernard Koltisko 2015-10-13
8443681 Method and apparatus for visualizing contraction stress from curable materials Xiaoming Jin, Louis Bertrand, Bill Martin, Nils Classen, Nikki Sparacino 2013-05-21