QL

Qingfeng Liu

📍 Qingdao, CA: #21 of 26 inventorsTop 85%
Overall (2020): #310,875 of 565,922Top 55%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10813226 Process for improving performance of sliding rheostat of 5G communication high-frequency signal board Jiting Liu 2020-10-20