QY

Qingyun Yan

LC Liaoning Upcera Co.: 1 patents #9 of 16Top 60%
📍 Benxi City, CN: #4 of 10 inventorsTop 40%
Overall (All Time): #1,972,483 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9554881 Coloring solution for dental zirconia ceramics and method for using the same Hongjuan Wang, Dongbin Huang, Lingling He, Yanchun Zheng 2017-01-31
8697176 Method of changing translucent properties of zirconia dental materials Hongjuan Wang, Lingling He, Yanchun Zheng 2014-04-15