WT

Wei Hua Tong

CM Chartered Semiconductor Manufacturing: 2 patents #256 of 840Top 35%
📍 Singapore, SG: #4,165 of 13,971 inventorsTop 30%
Overall (All Time): #2,196,020 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6814812 Double acting cold trap Chen-Yu Yang, Zhang Jian, Qian Wu Quan 2004-11-09
6528420 Double acting cold trap Chen-Yu Yang, Jian Zhang, Qian Wu Quan 2003-03-04