Assignee
HUAWEI DIGITAL POWER TECH CO LTD
CN·492 granted patents·597 pending applications·162 citations·filing 2018–2025
Top patents by PatentIndex Score
1,089 records- 0198US11831236B2Bidirectional multiple-port power conversion system and methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Nov 28, 2023·5 cites·15 claims
- 0297US11716032B2Multi-level inverter clamping modulation method and apparatus, and inverterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Aug 1, 2023·4 cites·18 claims
- 0396US12296648B2Thermal management system and new energy vehicleHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted May 13, 2025·2 cites·20 claims
- 0496US11909323B2Control method for increasing an inverse gain range of a power converterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Feb 20, 2024·4 cites·11 claims
- 0596US11515709B2System and device for exporting power, and method of configuring thereofHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Nov 29, 2022·5 cites·15 claims
- 0694US12003130B2Energy storage systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Jun 4, 2024·5 cites·26 claims
- 0794US11539212B2Photovoltaic power generation system and photovoltaic power transmission methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Dec 27, 2022·4 cites·8 claims
- 0893US12124242B2Motor angle detection and diagnosis apparatus, motor controller, electric vehicle, and methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Oct 22, 2024·3 cites·30 claims
- 0993US11906037B2Cooling and lubricating oil paths for power assembly and vehicleHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Feb 20, 2024·4 cites·17 claims
- 1093US11699957B2Energy conversion system, energy conversion method, and power systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Jul 11, 2023·4 cites·20 claims
- 1193US11677328B2Converter and power supply system with simplified samplingHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Jun 13, 2023·3 cites·12 claims
- 1292US11979019B2Direct current breaker feeding an inverterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted May 7, 2024·2 cites·19 claims
- 1392US11923693B2Wireless power supply apparatus and wireless power receiving terminalHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Mar 5, 2024·4 cites·20 claims
- 1492US11870238B2Protection apparatus and protection method for photovoltaic power generation systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Jan 9, 2024·2 cites·33 claims
- 1592US11641201B2Hybrid power devicesHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted May 2, 2023·2 cites·16 claims
- 1692US11577600B2Motor, motor cooling system, and electric vehicleHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Feb 14, 2023·3 cites·18 claims
- 1792US11575291B2Motor with coolant blocking member on end portion of winding, powertrain, and vehicleHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Feb 7, 2023·2 cites·17 claims
- 1891US12119767B2Multilevel power conversion system and methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Oct 15, 2024·2 cites·18 claims
- 1991US12027903B2Wireless power transfer system and methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Jul 2, 2024·2 cites·20 claims
- 2090US12107541B2Optimizer, photovoltaic power generation system, and IV curve scanning method for photovoltaic moduleHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Oct 1, 2024·2 cites·18 claims
- 2190US11875961B2Circuit breaker and power distribution systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Jan 16, 2024·2 cites·20 claims
- 2290US11682977B2Controller and control system for DC/DC converterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Jun 20, 2023·2 cites·20 claims
- 2390US11588397B2Three-level power conversion system and control methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Feb 21, 2023·4 cites·16 claims
- 2490US11356034B2Multi-level inverter clamping modulation method and apparatus, and inverterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Jun 7, 2022·2 cites·14 claims
- 2590US11316426B2Power converter used in a renewable energy device such as a photo-voltaic device or a wind energy deviceHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Apr 26, 2022·4 cites·20 claims
- 2689US12424893B2Motor, motor cooling system, and electric vehicleHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Sep 23, 2025·1 cites·15 claims
- 2789US12337674B2Powertrain and electric vehicleHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Jun 24, 2025·1 cites·20 claims
- 2889US11418114B2Boost power conversion circuit, method, inverter, apparatus, and systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Aug 16, 2022·4 cites·18 claims
- 2988US12086007B2Control method and control apparatus for power supply apparatus in data centerHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Sep 10, 2024·2 cites·20 claims
- 3088US12057763B2Powertrain and electric vehicleHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Aug 6, 2024·2 cites·20 claims
- 3188US11967848B2Battery system and method for detecting state of health of batteryHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Apr 23, 2024·2 cites·20 claims
- 3288US11923769B2System and method for controlling totem pole power factor correction circuit, and power adapterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Mar 5, 2024·2 cites·20 claims
- 3388US11837868B2Photovoltaic system and leakage current control method for photovoltaic systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Dec 5, 2023·4 cites·13 claims
- 3488US11784577B2Low noise power conversion system and methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Oct 10, 2023·2 cites·5 claims
- 3588US11581588B2Energy storage systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Feb 14, 2023·3 cites·5 claims
- 3688US11342799B2Out-of-band communication during wireless battery chargingHUAWEI DIGITAL POWER TECH CO LTD·Filed 2019·Granted May 24, 2022·6 cites·17 claims
- 3787US12368317B2Energy storage apparatus, energy storage apparatus control method, and photovoltaic systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Jul 22, 2025·1 cites·12 claims
- 3887US12224682B2Common-mode voltage injection control method and apparatus for inverterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Feb 11, 2025·1 cites·16 claims
- 3987US11670473B2Power distribution system and circuit breaker position acquisition methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Jun 6, 2023·2 cites·15 claims
- 4087US11500001B2Insulation resistance detection circuit and methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Nov 15, 2022·2 cites·13 claims
- 4187US11437823B2Power systems with inverter input voltage controlHUAWEI DIGITAL POWER TECH CO LTD·Filed 2020·Granted Sep 6, 2022·2 cites·20 claims
- 4286US12249905B2Serial-parallel converter protection system, controller, and converterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Mar 11, 2025·1 cites·18 claims
- 4386US12046912B2Wireless chargerHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Jul 23, 2024·1 cites·10 claims
- 4486US12038082B1Control method and apparatusHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Jul 16, 2024·2 cites·15 claims
- 4586US11852671B2Photovoltaic energy system and method for detecting ground insulation impedanceHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Dec 26, 2023·2 cites·20 claims
- 4686US11843318B2Converter and power adapter for reducing energy lossHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Dec 12, 2023·2 cites·14 claims
- 4786US2026088630A1Inverter and inverter control methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2025·Application pending·0 cites
- 4885US12451801B2DC/DC converter, voltage gain switching method and systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Oct 21, 2025·1 cites·19 claims
- 4985US12341172B2Heating control method for energy storage, energy storage system, and photovoltaic energy storage systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Jun 24, 2025·2 cites·17 claims
- 5085US12194875B2Charging module and charging systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Jan 14, 2025·1 cites·5 claims
Showing the top 50 of 1,089 patent records by PatentIndex Score.
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