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USPTO Patent Rankings Data through Sept 30, 2025
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Chun-Hsiang Tu — 2 Patents in 2017

EPEpistar: 2 patents #40 of 219Top 20%
Overall (2017): #162,551 of 506,227Top 35%
2 Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9640731 Light emitting diode structure Chen Ou, De-Shan Kuo, Chun Teng Ko, Po-Shun Chiu, Chia-Liang Hsu 2017-05-02
9548420 Light-emitting device and manufacturing method thereof De-Shan Kuo, Po-Shun Chiu, Chi-Shiang HSU 2017-01-17