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USPTO Patent Rankings Data through Dec 31, 2025
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En-Yi Chu — 2 Patents in 2021

DEDelta Electronics: 2 patents #35 of 378Top 10%
Taoyuan, TW: #194 of 1,146 inventorsTop 20%
Overall (2021): #164,294 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11168763 Cycloid speed reducer Chi-Wen Chung, Hung-Wei Lin, Ming-Li Tsao, Ching-Hsiung Tsai 2021-11-09
11121615 Actuator and linear motion module Po-Tzu CHEN, Chi-Wen Chung, Chun-Hsiu Chen 2021-09-14