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USPTO Patent Rankings Data through Dec 31, 2025
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Cheng Luo — 2 Patents in 2018

APAcbel Polytech: 2 patents #1 of 10Top 10%
Overall (2018): #159,459 of 503,207Top 35%
2 Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9997994 Totem-pole power factor corrector and current-sampling unit thereof Chia-An Yeh, Wei-Liang Lin 2018-06-12
9985541 Feed forward controlling circuit and method for voltage ripple restraint Wei-Liang Lin 2018-05-29