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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chih-Min Lien — 2 Patents in 2021

WTWfe Technology: 2 patents #1 of 1Top 100%
Taichung, TW: #182 of 1,110 inventorsTop 20%
Overall (2021): #172,857 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10907381 Electronic door lock with a monitoring unit 2021-02-02
10890019 Reversible electric door lock 2021-01-12