HC

Hengyu Chang

AL Alibaba: 1 patents #1,069 of 2,313Top 50%
Overall (All Time): #3,008,998 of 4,157,543Top 75%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9390437 Method and system for monitoring advertisement displays — 2016-07-12