Inventor · disambiguated record
Daofei Xu
Also filed as: XU DAOFEI
38 granted patents·8 pending applications·132 citations·filing 2008–2024
96Inventor score
Top patents by PatentIndex Score
46 records- 0196US9991811B1Control method and control apparatus for flyback circuitDELTA ELECTRONICS SHANGHAI CO·Filed 2017·Granted Jun 5, 2018·31 cites·33 claims
- 0295US10333417B2Device and method for controlling flyback converterDELTA ELECTRONICS SHANGHAI CO·Filed 2018·Granted Jun 25, 2019·12 cites·27 claims
- 0394US10291136B2Control device and control methodDELTA ELECTRONICS SHANGHAI CO·Filed 2018·Granted May 14, 2019·11 cites·27 claims
- 0490USD864112SPower adapterDELTA ELECTRONICS SHANGHAI CO·Filed 2018·Granted Oct 22, 2019·32 cites·1 claims
- 0590US10333418B2Control device and control methodDELTA ELECTRONICS SHANGHAI CO·Filed 2018·Granted Jun 25, 2019·6 cites·25 claims
- 0684US11575315B2Totem-pole power factor correction circuitDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Feb 7, 2023·1 cites·18 claims
- 0782US10141853B2Power converter and method of control thereofDELTA ELECTRONICS INC·Filed 2017·Granted Nov 27, 2018·3 cites·21 claims
- 0882US9225232B2Capacitor discharge circuit and power converterLIU HUAN·Filed 2012·Granted Dec 29, 2015·7 cites·19 claims
- 0979USD909296SPower adapterDELTA ELECTRONICS SHANGHAI CO·Filed 2017·Granted Feb 2, 2021·17 cites·1 claims
- 1078US10797603B2Method and apparatus for controlling a flyback converterDELTA ELECTRONICS SHANGHAI CO·Filed 2019·Granted Oct 6, 2020·2 cites·27 claims
- 1177US9787193B2Switching power supply and method for controlling voltage of bulk capacitor in the switching power supplyDELTA ELECTRONICS INC·Filed 2015·Granted Oct 10, 2017·3 cites·16 claims
- 1270US11774516B2Detecting method for an operating state of a power supply and a detecting apparatusDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Oct 3, 2023·0 cites·7 claims
- 1369US10637365B2Flyback converter and control method thereofDELTA ELECTRONICS INC·Filed 2019·Granted Apr 28, 2020·1 cites·18 claims
- 1466USRE50277EPower converter and method of control thereofDELTA ELECTRONICS INC·Filed 2020·Granted Jan 21, 2025·0 cites·42 claims
- 1566US2021233699A1Pcb winding transformerDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Application pending·0 cites
- 1665US12027299B2Winding assembly and magnetic elementDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Jul 2, 2024·0 cites·14 claims
- 1763US9641083B2Control device and control method of power converter and switching power supply using the sameDELTA ELECTRONICS SHANGHAI CO·Filed 2014·Granted May 2, 2017·2 cites·23 claims
- 1862US12289055B2Flyback circuit and control method of clamping switch of flyback circuitDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Apr 29, 2025·0 cites·14 claims
- 1961US11711017B2Adapter and control method thereofDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Jul 25, 2023·0 cites·20 claims
- 2060US11489440B2Power factor correction circuitDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Nov 1, 2022·0 cites·20 claims
- 2159US11737219B2Power adapterDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Aug 22, 2023·0 cites·15 claims
- 2258US11349397B2Method and apparatus for controlling a flyback converterDELTA ELECTRONICS SHANGHAI CO·Filed 2020·Granted May 31, 2022·0 cites·31 claims
- 2358US10998118B2PCB winding transformer and coil board thereofDELTA ELECTRONICS SHANGHAI CO·Filed 2017·Granted May 4, 2021·0 cites·9 claims
- 2458US2025062605A1Hot-plug protection method and power supply deviceDELTA ELECTRONICS SHANGHAI CO·Filed 2024·Application pending·0 cites
- 2557US11699958B2Voltage switching circuit and power adapter having regulated range of output voltageDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Jul 11, 2023·0 cites·23 claims
- 2657US2024333170A1Power conversion circuit and power supply deviceDELTA ELECTRONICS SHANGHAI CO·Filed 2024·Application pending·0 cites
- 2756US11777408B2Converter adaptable to wide range output voltage and control method thereofDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Oct 3, 2023·0 cites·27 claims
- 2855US11973430B2Converter adaptable to wide range output voltage and control method thereofDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Apr 30, 2024·0 cites·32 claims
- 2955US2021350974A1Winding assembly and magnetic elementDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Application pending·0 cites
- 3054US12401262B2Power adapter with limited power source function and control method thereofDELTA ELECTRONICS SHANGHAI CO·Filed 2023·Granted Aug 26, 2025·0 cites·20 claims
- 3154USD1005953SMagnetic coreDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Nov 28, 2023·1 cites·1 claims
- 3254USD997876SMagnetic coreDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Sep 5, 2023·1 cites·1 claims
- 3354US11581119B2Magnetic device and method of manufacturing the sameDELTA ELECTRONICS SHANGHAI CO·Filed 2020·Granted Feb 14, 2023·0 cites·23 claims
- 3453US2025096665A1Method for controlling power adapter and power adapterDELTA ELECTRONICS SHANGHAI CO·Filed 2024·Application pending·0 cites
- 3551US2024106253A1Charging system and control methodDELTA ELECTRONICS SHANGHAI CO·Filed 2023·Application pending·0 cites
- 3650US2024195318A1Switching power converter and control method thereofDELTA ELECTRONICS SHANGHAI CO·Filed 2023·Application pending·0 cites
- 3748US11616449B2Power adapterDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Mar 28, 2023·0 cites·16 claims
- 3847US2021350975A1Winding assembly and magnetic assemblyDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Application pending·0 cites
- 3946USD912626SMagnetic coreDELTA ELECTRONICS SHANGHAI CO·Filed 2019·Granted Mar 9, 2021·2 cites·1 claims
- 4045US11824456B2Hybrid flyback circuit and control methodDELTA ELECTRONICS SHANGHAI CO·Filed 2022·Granted Nov 21, 2023·0 cites·18 claims
- 4144USD1103106SMagnetic coreDELTA ELECTRONICS SHANGHAI CO·Filed 2021·Granted Nov 25, 2025·0 cites·1 claims
- 4244US11303081B2Power adapter and electronic device comprising the power adapterDELTA ELECTRONICS SHANGHAI CO·Filed 2018·Granted Apr 12, 2022·0 cites·8 claims
- 4340US10998683B2Connector protection method and systemDELTA ELECTRONICS SHANGHAI CO·Filed 2018·Granted May 4, 2021·0 cites·9 claims
- 4439US7864547B2Power supply module adapted to power a control circuit of a switching mode power supplyDELTA ELECTRONICS INC·Filed 2008·Granted Jan 4, 2011·0 cites·13 claims
- 4537US9608529B2Converter and method for controlling the sameDELTA ELECTRONICS SHANGHAI CO·Filed 2015·Granted Mar 28, 2017·0 cites·22 claims
- 4633USD932435SMagnetic coreDELTA ELECTRONICS SHANGHAI CO·Filed 2018·Granted Oct 5, 2021·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →