WL

Wei-Chieh Liang

PC Patech Fine Chemicals Co.: 2 patents #4 of 13Top 35%
Overall (All Time): #1,887,107 of 4,157,543Top 50%
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Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11186796 Liquid anti-friction composition Jung-Tsung Hung, Hsu-Hua Tang, Jun-Wei Wu, Jeng-Shiang Tsaih 2021-11-30
11111450 Base oil and lubricant oil composition including the same Yen-Hsing Li, Hsu-Hua Tang, Jung-Tsung Hung, Jeng-Shiang Tsaih 2021-09-07