HL

Hongyan Li

UN Unknown: 1 patents #265 of 3,190Top 9%
📍 Beijing, UT: #2 of 2 inventorsTop 100%
Overall (2018): #143,448 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10022156 Minimally invasive screw with double threaded plugs Wenzhi Zhang, Xiyi Huang, Guoshuai Miu, Yaling Wang, Wensheng Lu 2018-07-17
9975085 Container-type biogas purification film method purification system Wenzhi Pan, Changqing Zhou, Xinghua Yang, Dawei Wang, Wenjin Li 2018-05-22