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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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HSIU-CHE YEN — 2 Patents in 2021

PTPolytronics Technology: 2 patents #3 of 17Top 20%
Taoyuan, TW: #194 of 1,146 inventorsTop 20%
Overall (2021): #155,532 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11018502 Cable with over-temperature protection Zhen Yu Dong, Yung-Hsien Chang, Yao-Te Chang, Pin Syuan Li 2021-05-25
10902980 Over-current protection device Zhen Yu Dong, Yung-Hsien Chang, Yao-Te Chang, Fu Hua Chu 2021-01-26