HX

Hangsheng Xu

Overall (2021): #438,177 of 548,734Top 80%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10944699 Method and device for questioning and answering Lei Ding, Liang Ruan 2021-03-09