Inventor · disambiguated record
Hing Kit Kwan
Also filed as: KWAN HING KIT
5 granted patents·54 citations·filing 2009–2014
79Inventor score
Files withHK APPLIED SCIENCE & TECH RES1KWONG KWOK KUEN DAVID1LEUNG CHI TAK GERRY1NG CHIK WAI DAVID1SO WAI KIT VICTOR1
Top patents by PatentIndex Score
5 records- 0188US8780590B2Output 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
- 0285US8300431B2Constant-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
- 0375US8072721B2ESD 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
- 0473US9306461B2LED 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
- 0573US8188798B1Programmable 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
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →