Inventor · disambiguated record
Wai Kit (Victor) So
Also filed as: SO WAI KIT (VICTOR)
8 granted patents·60 citations·filing 2009–2022
84Inventor score
Files withHIGH TECH TECH LIMITED3HK APPLIED SCIENCE & TECH RES1KWONG KWOK KUEN DAVID1LEUNG CHI TAK GERRY1NG CHIK WAI DAVID1
Top patents by PatentIndex Score
8 records- 0190US11206014B1Digital frequency dithering for switched-mode power supplies (SMPS) using triangular, asymmetric cubic, or random cubic spread spectrum oscillatorsHIGH TECH TECH LIMITED·Filed 2021·Granted Dec 21, 2021·6 cites·20 claims
- 0288US8780590B2Output current estimation for an isolated flyback converter with variable switching frequency control and duty cycle adjustment for both PWM and PFM modesSO WAI KIT VICTOR·Filed 2012·Granted Jul 15, 2014·22 cites·20 claims
- 0385US8300431B2Constant-current control module using inverter filter multiplier for off-line current-mode primary-side sense isolated flyback converterNG CHIK WAI DAVID·Filed 2010·Granted Oct 30, 2012·14 cites·20 claims
- 0475US8072721B2ESD protection using a capacitivly-coupled clamp for protecting low-voltage core transistors from high-voltage outputsKWONG KWOK KUEN DAVID·Filed 2009·Granted Dec 6, 2011·7 cites·18 claims
- 0573US9306461B2LED driver with small output ripple without requiring a high-voltage primary-side electrolytic capacitorHK APPLIED SCIENCE & TECH RES·Filed 2014·Granted Apr 5, 2016·4 cites·20 claims
- 0673US8188798B1Programmable electro-magnetic-interference (EMI) reduction with enhanced noise immunity and process toleranceLEUNG CHI TAK GERRY·Filed 2010·Granted May 29, 2012·7 cites·20 claims
- 0745US11990422B2Ferrite electro-magnetic interference (EMI) shield between an integrated-circuit (IC) chip and an air-core inductor all inside a hybrid lead-frame packageHIGH TECH TECH LIMITED·Filed 2022·Granted May 21, 2024·0 cites·20 claims
- 0843US12347789B2Air-core transformer package with ferrite electro-magnetic interference (EMI) shielding of integrated-circuit (IC) chipHIGH TECH TECH LIMITED·Filed 2022·Granted Jul 1, 2025·0 cites·11 claims
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