Inventor · disambiguated record
Wing Ling Cheng
Also filed as: CHENG WING · CHENG WING LING
25 granted patents·1 pending application·618 citations·filing 1997–2017
96Inventor score
Top patents by PatentIndex Score
26 records- 0195US5986895AAdaptive pulse width modulated resonant Class-D converterASTEC INT LTD·Filed 1998·Granted Nov 16, 1999·293 cites·9 claims
- 0291US6402546B1Adapter with retractable cable assembly and electrical plug assemblyASTEC INT LTD·Filed 2000·Granted Jun 11, 2002·68 cites·28 claims
- 0390US7817051B2Power converter with degraded component alarmASTEC INT LTD·Filed 2007·Granted Oct 19, 2010·21 cites·21 claims
- 0489US10027120B1System and method for high efficiency power quality correctionEDGE ELECTRONS LTD·Filed 2017·Granted Jul 17, 2018·12 cites·18 claims
- 0589US9819279B2High frequency series AC voltage regulatorEDGE ELECTRONS LTD·Filed 2016·Granted Nov 14, 2017·7 cites·18 claims
- 0684US7804415B2Health monitoring for power converter componentsASTEC INT LTD·Filed 2007·Granted Sep 28, 2010·13 cites·21 claims
- 0783US9979312B2Energy saving high frequency series buck AC voltage regulator systemEDGE ELECTRONS LTD·Filed 2015·Granted May 22, 2018·4 cites·14 claims
- 0883US7830269B2Health monitoring for power converter capacitorsASTEC INT LTD·Filed 2007·Granted Nov 9, 2010·12 cites·28 claims
- 0982US6623294B2Adapter with manually retractable cable assembly and electrical plug assemblyASTEC INT LTD·Filed 2002·Granted Sep 23, 2003·39 cites·20 claims
- 1074US10320279B2Power supplies and methods for reducing common mode noiseASTEC INT LTD·Filed 2015·Granted Jun 11, 2019·3 cites·17 claims
- 1172US9621020B2Control circuits and methods for controlling switching devicesHU ZONG BO·Filed 2008·Granted Apr 11, 2017·8 cites·27 claims
- 1270US7352596B2Method of operating a resonant push-pull converter in an above resonant frequency modeASTEC INT LTD·Filed 2004·Granted Apr 1, 2008·18 cites·13 claims
- 1369US5959848ALow inductance high current connector for improved power supply systemASTEC INT LTD·Filed 1997·Granted Sep 28, 1999·55 cites·20 claims
- 1467US9124180B2Multiple resonant converter apparatus and control methodLEE TAI KEUNG·Filed 2012·Granted Sep 1, 2015·4 cites·16 claims
- 1566US6246593B1Topology-independent synchronous rectifier commutation circuitASTEC INT LTD·Filed 1999·Granted Jun 12, 2001·32 cites·19 claims
- 1665US8056858B2Device and method for providing radiation occlusion and aero-thermal protectionKOEHLER FREDERICK·Filed 2007·Granted Nov 15, 2011·5 cites·14 claims
- 1764US9941698B2Fast response active reactive power (KVAR) compensatorEDGE ELECTRONS LTD·Filed 2016·Granted Apr 10, 2018·1 cites·3 claims
- 1861US9148058B2High frequency series AC voltage regulatorPOWER QUALITY ENGINEERING LTD·Filed 2014·Granted Sep 29, 2015·2 cites·12 claims
- 1961US8207779B2Control circuits and methods for controlling switching devicesHU ZONG BO·Filed 2008·Granted Jun 26, 2012·5 cites·30 claims
- 2055US7589505B2Power supply with reliable voltage feedback control independent of any ground voltage differenceASTEC INT LTD·Filed 2005·Granted Sep 15, 2009·2 cites·15 claims
- 2155US7307839B2Air ventilation cooling systems for a portable power deviceASTEC INT LTD·Filed 2004·Granted Dec 11, 2007·3 cites·20 claims
- 2251US7417339B2Fast transition power supplyASTEC INT LTD·Filed 2005·Granted Aug 26, 2008·2 cites·31 claims
- 2347US10056756B2Method and apparatus to solve PFC capacitor reduction of line AFLC ripple without passive filtersEDGE ELECTRONS LTD·Filed 2016·Granted Aug 21, 2018·0 cites·6 claims
- 2439US9219413B2Power supplies responsive to multiple control signal formatsCHENG WING LING·Filed 2012·Granted Dec 22, 2015·0 cites·24 claims
- 2534US5901038APower supply system for high density printed circuit boardsFiled 1997·Granted May 4, 1999·9 cites·36 claims
- 2633US2009284303A1Control circuits and methods for controlling switching devicesHU ZONG BO·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →