QL

Quanbao Liu

📍 Hexi District, CN: #41 of 75 inventorsTop 55%
Overall (All Time): #3,399,668 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7288876 Non-symmetric drive type piezoelectric ceramic transformer Yaoqiang Chen 2007-10-30