Inventor · disambiguated record
Da Feng Weng
Also filed as: WENG DA F · WENG DA FENG
17 granted patents·7 pending applications·571 citations·filing 1997–2021
95Inventor score
Files withWENG DA FENG6WEI QI CUI4PHILIPS ELECTRONICS NA3INTERSIL INC2KONINKL PHILIPS ELECTRONICS NV2
Top patents by PatentIndex Score
24 records- 0192US6473318B1Leakage energy recovering system and method for flyback converterKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Oct 29, 2002·86 cites·20 claims
- 0292US6314002B1Voltage clamping system and method for a DC/DC power converterPHILIPS ELECTRONICS NA·Filed 2000·Granted Nov 6, 2001·82 cites·20 claims
- 0390US6518712B2Method and apparatus for controlling the operation of a lampMATSUSHITA ELECTRIC WORKS LTD·Filed 2001·Granted Feb 11, 2003·59 cites·11 claims
- 0489US7439721B2Constant-on-time power-supply controller and related system and methodINTERSIL INC·Filed 2006·Granted Oct 21, 2008·25 cites·22 claims
- 0589US6034489AElectronic ballast circuitMATSUSHITA ELECTRIC WORKS R &·Filed 1997·Granted Mar 7, 2000·106 cites·22 claims
- 0687US6317347B1Voltage feed push-pull resonant inverter for LCD backlightingPHILIPS ELECTRONICS NA·Filed 2000·Granted Nov 13, 2001·44 cites·16 claims
- 0784US6356035B1Deep PWM dimmable voltage-fed resonant push-pull inverter circuit for LCD backlighting with a coupled inductorPHILIPS ELECTRONICS NA·Filed 2000·Granted Mar 12, 2002·34 cites·10 claims
- 0879US5986901APower factor correction circuit for a power supplyMATSUSHITA ELECTRIC WORKS R &·Filed 1998·Granted Nov 16, 1999·46 cites·23 claims
- 0976US6909622B2Quasi active power factor correction circuit for switching power supplyFiled 2002·Granted Jun 21, 2005·31 cites·11 claims
- 1075US8350551B2Power-supply controllerIntersil Americas LLC·Filed 2010·Granted Jan 8, 2013·4 cites·50 claims
- 1173US8829802B2LED dimming control schemeWEI QI CUI·Filed 2012·Granted Sep 9, 2014·6 cites·4 claims
- 1272US6496012B1Apparatus and method for detecting a short circuit in a lighting systemKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Dec 17, 2002·16 cites·15 claims
- 1367US6239995B1Resonant-boost-input three-phase power factor corrector with a low current stress on switchesNDSU RES FOUNDATION·Filed 2000·Granted May 29, 2001·26 cites·10 claims
- 1448US12456912B2Forward DC-DC ZVS converter and control schemeWENG DA FENG·Filed 2021·Granted Oct 28, 2025·0 cites·5 claims
- 1544US7250744B2Quasi average current mode control scheme for switching power converterWENG DA FENG·Filed 2004·Granted Jul 31, 2007·6 cites·8 claims
- 1643US8558528B2High accuracy inductor peak current control scheme for switching power supplyWENG DA FENG·Filed 2011·Granted Oct 15, 2013·0 cites·4 claims
- 1743US2009102447A1Constant-on-time power-supply controller and related system and methodINTERSIL INC·Filed 2008·Application pending·0 cites
- 1840US8629670B2Switching adapter control method for adaptive mobile power systemsWENG DA FENG·Filed 2011·Granted Jan 14, 2014·0 cites·4 claims
- 1938US2015016157A1Constant switching frequency discontinuous current mode average output current control schemeWEI QI CUI·Filed 2013·Application pending·0 cites
- 2036US2010231184A1Step up and down switching power converter's output current detect and control schemeWEI QI CUI·Filed 2009·Application pending·0 cites
- 2135US2008013236A1Passive switching capacitor network auxiliary voltage source for off-line IC chip and additional circuitsWENG DA FENG·Filed 2006·Application pending·0 cites
- 2234US2005259453A1Switching capacitor network auxiliary voltage source for off-line IC chipWENG DA F·Filed 2004·Application pending·0 cites
- 2333US2011176336A1Isolated current regulated DC-DC converterWENG DA FENG·Filed 2010·Application pending·0 cites
- 2433US2015042294A1High accuracy pulse duty-cycle calculation implementation for power converter's PWM control apparatusWEI QI CUI·Filed 2013·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →