YC

Yuqing Chang

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #1,821,763 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11772018 Aerosol particulate matter collecting device and collecting method Rui Chen, Shichuan Tang 2023-10-03
10794820 Methods for analyzing ultra-trace amounts of metals in liquids Ying Wang 2020-10-06