QS

Qianyun Sun

Overall (All Time): #2,456,539 of 4,157,543Top 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12411269 Magnetic pigment flake, optically variable ink, and anti-falsification article Hongbao Sun, Zhangrong Chen, Shuo Pan 2025-09-09