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USPTO Patent Rankings Data through Sept 30, 2025
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Chun-Jong Chang — 3 Patents in 2018

LELextar Electronics: 3 patents #7 of 44Top 20%
Overall (2018): #80,818 of 503,207Top 20%
3 Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9967938 Solid state light source device and dimming circuit thereof Po-Shen Chen, Chien-Nan Yeh 2018-05-08
9867241 Dimming module and solid state lighting device Chien-Nan Yeh, Po-Shen Chen, Kai-Hsiang SHIH, Jhao-Cyuan Huang, Ku-Cheng LIN 2018-01-09
9867248 Dimming module, solid state lighting device, and dimming method Chien-Nan Yeh, Po-Shen Chen, Kai-Hsiang SHIH, Jhao-Cyuan Huang, Ku-Cheng LIN 2018-01-09