Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chun-Fa Chen — 2 Patents

Overall (All Time): #1,741,865 of 4,157,543Top 45%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11865588 Probe pin cleaning pad and cleaning method for probe pin Chi-Hua Huang, Yu-Hsuen Lee, Ching-Wen Hsu, Chao-Hsuan Yang, Ting-Wei Lin +2 more 2024-01-09
7023520 Method and system for fabricating liquid crystal film and method for fabricating brightening film Kun-Mao Yu, Charles Chang 2006-04-04