CM

Chenguang Ma

AL Alibaba: 1 patents #284 of 841Top 35%
Overall (2020): #514,964 of 565,922Top 95%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10671870 Determining user authenticity with face liveness detection — 2020-06-02