Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HT

Hsu-Hua Tang

PCPatech Fine Chemicals Co.: 2 patents #1 of 6Top 20%
Overall (2021): #155,565 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

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