Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ching Chu — 11 Patents

SUSupertex: 7 patents #6 of 39Top 20%
MIMicrochip Technology Incorporated: 4 patents #144 of 958Top 20%
San Jose, CA: #5,902 of 32,062 inventorsTop 20%
California: #56,011 of 386,348 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Ching Chu has been granted 11 US patents while listed as an inventor at Supertex. The first was granted in 2011 and the most recent in May 2018. Ching Chu ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Ching Chu in San Jose, CA, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9975145 Pulse amplitude controlled current source for ultrasound transmit beamformer and method thereof Jimes Lei 2018-05-22 $120,296,000
9577623 Capacitive parametric zero crossing detector device, circuit and method Benedict C. K. Choy, Andy Tu 2017-02-21 $25,914,000
9568597 Ultrasound capacitive T/R switch device, circuit Benedict C. K. Choy, Andy Tu 2017-02-14 $15,394,000
9048104 Multi-chip package module and a doped polysilicon trench for isolation and connection Benedict C. K. Choy, Haibing (Robin) Liu, Ming-Yuan Yeh 2015-06-02 $22,168,000
8648627 Programmable ultrasound transmit beamformer integrated circuit and method 2014-02-11 $4,105,000
8542037 Multi-level high voltage pulser integrated circuit using low voltage MOSFETs Ben Choy 2013-09-24 $2,246,000
8198922 Programmable ultrasound transmit beamformer integrated circuit and method 2012-06-12 $1,428,000
8013640 Programmable ultrasound transmit beamformer integrated circuit and method 2011-09-06 $1,308,000
7977820 Ultrasound transmit pulse generator Benedict C. K. Choy 2011-07-12 $1,362,000
7956653 Complementary high voltage switched current source integrated circuit Benedict C. K. Choy 2011-06-07 $1,442,000
7893714 High voltage analog multiplex switch integrated circuit architecture 2011-02-22 $1,933,000