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USPTO Patent Rankings Data through Sept 30, 2025
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Wei-Chuan Cheng — 4 Patents

ETEtron Technology: 3 patents #40 of 145Top 30%
Qualcomm: 1 patents #7,512 of 12,104Top 65%
Taipei, CA: #424 of 623 inventorsTop 70%
Overall (All Time): #1,133,319 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11770115 Tunable circuit including integrated filter circuit coupled to variable capacitance, and related integrated circuit (IC) packages and fabrication methods Changhan Hobie Yun, Hannu Laurila, Ville Lehtisalo, Ville Herman Brunou, Daniel Daeik Kim +2 more 2023-09-26
10601419 Switch circuit applied to a power delivery integrated circuit 2020-03-24
10591941 Low dropout regulator with wide input supply voltage Keng-Yi Wu 2020-03-17
8373473 Dual-loop phase lock loop Jiann-Chyi Sam Shieh 2013-02-12