Inventor · disambiguated record
Alpha J. Zhang
Also filed as: ZHANG ALPHA · ZHANG ALPHA J
22 granted patents·1 pending application·907 citations·filing 2001–2020
97Inventor score
Files withDELTA ELECTRONICS INC23
Top patents by PatentIndex Score
23 records- 0197US6344979B1LLC series resonant DC-to-DC converterDELTA ELECTRONICS INC·Filed 2001·Granted Feb 5, 2002·213 cites·14 claims
- 0291US6538906B1Energy storage circuit for DC-DC converterDELTA ELECTRONICS INC·Filed 2002·Granted Mar 25, 2003·87 cites·20 claims
- 0388US6807071B1Transformer isolated driverDELTA ELECTRONICS INC·Filed 2003·Granted Oct 19, 2004·37 cites·20 claims
- 0487US6771521B1Active snubber for synchronous rectifierDELTA ELECTRONICS INC·Filed 2003·Granted Aug 3, 2004·61 cites·29 claims
- 0585US6853568B2Isolated voltage regulator with one core structureDELTA ELECTRONICS INC·Filed 2003·Granted Feb 8, 2005·49 cites·12 claims
- 0684US6714428B2Combined transformer-inductor device for application to DC-to-DC converter with synchronous rectifierDELTA ELECTRONICS INC·Filed 2002·Granted Mar 30, 2004·58 cites·8 claims
- 0784US6466458B2Asymmetrical full bridge DC-to-DC converterDELTA ELECTRONICS INC·Filed 2001·Granted Oct 15, 2002·51 cites·16 claims
- 0882US10141853B2Power converter and method of control thereofDELTA ELECTRONICS INC·Filed 2017·Granted Nov 27, 2018·3 cites·21 claims
- 0982US6724631B2Power converter package with enhanced thermal managementDELTA ELECTRONICS INC·Filed 2002·Granted Apr 20, 2004·37 cites·23 claims
- 1081US7518263B2Time delay control scheme for a power supply with multiple outputsDELTA ELECTRONICS INC·Filed 2004·Granted Apr 14, 2009·43 cites·22 claims
- 1181US7106130B2Variable frequency PWM controller circuitDELTA ELECTRONICS INC·Filed 2003·Granted Sep 12, 2006·40 cites·11 claims
- 1281US6987679B2Multiple output converter with improved cross regulationDELTA ELECTRONICS INC·Filed 2003·Granted Jan 17, 2006·44 cites·16 claims
- 1375US6370044B1Synchronous rectifier circuitDELTA ELECTRONICS INC·Filed 2001·Granted Apr 9, 2002·26 cites·19 claims
- 1472US7034513B2Power supply having efficient low power standby modeDELTA ELECTRONICS INC·Filed 2003·Granted Apr 25, 2006·28 cites·15 claims
- 1572US7006364B2Driving circuit for DC/DC converterDELTA ELECTRONICS INC·Filed 2004·Granted Feb 28, 2006·27 cites·20 claims
- 1669US6947297B2Active resonant snubber for DC-DC converterDELTA ELECTRONICS INC·Filed 2003·Granted Sep 20, 2005·23 cites·9 claims
- 1769US6639814B2Constant voltage reset circuit for forward converterDELTA ELECTRONICS INC·Filed 2001·Granted Oct 28, 2003·22 cites·14 claims
- 1866USRE50277EPower converter and method of control thereofDELTA ELECTRONICS INC·Filed 2020·Granted Jan 21, 2025·0 cites·42 claims
- 1963US6469915B2Resonant reset dual switch forward DC-to-DC converterDELTA ELECTRONICS INC·Filed 2001·Granted Oct 22, 2002·17 cites·10 claims
- 2063US6396715B1DC to DC converter for operating in selectable voltage modesDELTA ELECTRONICS INC·Filed 2001·Granted May 28, 2002·18 cites·6 claims
- 2157US6912143B2Synchronous rectifier with burst mode controlDELTA ELECTRONICS INC·Filed 2003·Granted Jun 28, 2005·15 cites·20 claims
- 2249US6424543B1Integral DC to DC converterDELTA ELECTRONICS INC·Filed 2001·Granted Jul 23, 2002·8 cites·9 claims
- 2334US2005174813A1High efficiency power converter with synchronous rectificationDELTA ELECTRONICS INC·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →