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USPTO Patent Rankings Data through Dec 31, 2025
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Chih-Wen Chiang — 2 Patents in 2021

TTTdk Taiwan: 2 patents #34 of 67Top 55%
Taoyuan, TW: #194 of 1,146 inventorsTop 20%
Overall (2021): #174,245 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11181669 Optical system Chao-Chang Hu, Che-Wei Chang, Chen-Er Hsu, Fu-Yuan Wu, Shou-Jen LIU +4 more 2021-11-23
11002941 Calibration method Yi-Chun Cheng, Chao-Chang Hu, Che-Wei Chang, Tsung-Tung Li, Sin-Jhong SONG 2021-05-11