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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chao-Fu Yang — 5 Patents in 2021

DEDelta Electronics: 5 patents #5 of 378Top 2%
Taoyuan, TW: #61 of 1,146 inventorsTop 6%
Overall (2021): #34,467 of 548,734Top 7%
5 Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11209016 Fan frame Pei-Han Chiu 2021-12-28
11199197 Centrifugal fan Shao-Ning Lee, Chih-Chung Chen, Shun-Chen Chang, Kuo-Tung Hsu 2021-12-14
11162498 Fan Shun-Chen Chang 2021-11-02
11078915 Contra-rotating fan structure Chien-Hung Chen, Chien-Chih Huang, Yueh-Lung Huang, Shun-Chen Chang 2021-08-03
11053946 Mixed-flow fan Shun-Chen Chang, Shih-Di CHEN 2021-07-06