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USPTO Patent Rankings Data through Sept 30, 2025
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Chih-Wei Cho — 2 Patents in 2021

QIQisda: 2 patents #6 of 85Top 8%
Overall (2021): #174,205 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11114062 Projection brightness adjustment method for controlling current output of power source and projector thereof Li-Wei Liang 2021-09-07
10962872 Dynamic brightness adjusting method and projector Li-Wei Liang 2021-03-30