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USPTO Patent Rankings Data through Dec 31, 2025
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Chia Mao Chen — 2 Patents in 2021

PTPolytronics Technology: 2 patents #3 of 17Top 20%
Wanrong, TW: #1 of 9 inventorsTop 15%
Overall (2021): #174,305 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11201026 Protection device and circuit protection apparatus containing the same Tsung Min Su, David Shau Chew Wang 2021-12-14
10943755 Protection device Tsung Min Su, David Shau Chew Wang 2021-03-09