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USPTO Patent Rankings Data through Sept 30, 2025
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Xiaofan Fei — 4 Patents in 2021

CLCirrus Logic: 4 patents #15 of 176Top 9%
Texas: #1,184 of 16,780 inventorsTop 8%
Overall (2021): #37,514 of 548,734Top 7%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11190168 Dual bootstrapping for an open-loop pulse width modulation driver Jing Bai, Tejasvi Das, Xin Zhao, Lei Zhu 2021-11-30
11070203 Dual bootstrapping for an open-loop pulse width modulation driver Jing Bai, Tejasvi Das, Xin Zhao, Lei Zhu 2021-07-20
11050433 Using a tracking switched-mode power supply to increase efficiency of a current digital-to-analog converter-based output stage John L. Melanson, Johann G. Gaboriau, Lei Zhu, Wai-Shun Shum, Leyi Yin 2021-06-29
11043959 Current digital-to-analog converter with warming of digital-to-analog converter elements John L. Melanson, Johann G. Gaboriau, Lei Zhu, Wai-Shun Shum, Leyi Yin 2021-06-22