Inventor · disambiguated record
Yunfeng Liu
Also filed as: LIU YUNFENG
55 granted patents·34 pending applications·191 citations·filing 2007–2025
97Inventor score
Files withHUAWEI TECH CO LTD29HUAWEI DIGITAL POWER TECH CO LTD19FUTUREWEI TECHNOLOGIES INC6GEN ELECTRIC6UNIV BEIJING SCIENCE & TECHNOLOGY3
Top patents by PatentIndex Score
89 records- 0194US9923485B2Multi-channel inverter systemsFUTUREWEI TECHNOLOGIES INC·Filed 2015·Granted Mar 20, 2018·9 cites·20 claims
- 0293US9154982B2Method and system for a traffic management networkCHAN PETER·Filed 2012·Granted Oct 6, 2015·20 cites·17 claims
- 0391US11316347B2Photovoltaic power system and control method thereofHUAWEI TECH CO LTD·Filed 2020·Granted Apr 26, 2022·3 cites·19 claims
- 0491US9641098B2Multi-level inverter apparatus and methodFUTUREWEI TECHNOLOGIES INC·Filed 2015·Granted May 2, 2017·9 cites·6 claims
- 0590US9787217B2Power conversion circuit and power conversion systemHUAWEI TECH CO LTD·Filed 2014·Granted Oct 10, 2017·12 cites·13 claims
- 0690US9548620B2System and method for power charging or dischargingHU MIN·Filed 2011·Granted Jan 17, 2017·21 cites·15 claims
- 0790US9190923B2System and method for converter switching frequency controlYUAN XIAOMING·Filed 2012·Granted Nov 17, 2015·14 cites·11 claims
- 0889US10761241B2Methods for optimizing bunch distance of fractured horizontal wells of shale gasUNIV BEIJING SCIENCE & TECHNOLOGY·Filed 2020·Granted Sep 1, 2020·4 cites·7 claims
- 0989US9083261B2Neutral point clamped converter control system and control method and compensation unitGEN ELECTRIC·Filed 2012·Granted Jul 14, 2015·11 cites·20 claims
- 1088US9595862B1Multi-level inverter systemsFUTUREWEI TECHNOLOGIES INC·Filed 2015·Granted Mar 14, 2017·6 cites·20 claims
- 1187US11670015B2Method and apparatus for generating videoBaidu online network technology beijing co ltd·Filed 2020·Granted Jun 6, 2023·2 cites·11 claims
- 1286US9385632B2Multi-level inverter and power supply systemHUAWEI TECH CO LTD·Filed 2014·Granted Jul 5, 2016·9 cites·18 claims
- 1385US8038867B2Electrodialysis device and processGEN ELECTRIC·Filed 2008·Granted Oct 18, 2011·13 cites·5 claims
- 1481US11362527B2Fast charging method, terminal, charger, and system with open loop controlHUAWEI TECH CO LTD·Filed 2018·Granted Jun 14, 2022·3 cites·20 claims
- 1581US9601262B2Coupled inductor and power converterHUAWEI TECH CO LTD·Filed 2014·Granted Mar 21, 2017·4 cites·11 claims
- 1680US7714583B2Power supply for supplying multi-channel, stable, isolated DC power and method of making sameGEN ELECTRIC·Filed 2008·Granted May 11, 2010·15 cites·17 claims
- 1779US7616000B2Ultra low output impedance RF power amplifier for parallel excitationGEN ELECTRIC·Filed 2007·Granted Nov 10, 2009·9 cites·13 claims
- 1876US10163562B2Coupled inductor structureFUTUREWEI TECHNOLOGIES INC·Filed 2012·Granted Dec 25, 2018·4 cites·11 claims
- 1976US2025208904A1Method of creating high availability for single point network gateway using containersSONICWALL INC·Filed 2024·Application pending·0 cites
- 2076US2023018211A1Charging method, terminal, charger, and systemHUAWEI TECH CO LTD·Filed 2022·Application pending·0 cites
- 2175US7903432B2High-voltage power generation system and packageGEN ELECTRIC·Filed 2009·Granted Mar 8, 2011·12 cites·18 claims
- 2268US9479071B2Multilevel converter and power supply systemHUAWEI TECH CO LTD·Filed 2015·Granted Oct 25, 2016·2 cites·14 claims
- 2368US8054135B2Class-E amplifier and lighting ballast using the amplifierGEN ELECTRIC·Filed 2008·Granted Nov 8, 2011·3 cites·20 claims
- 2468US2025279732A1Photovoltaic Inverter and Power Adjustment Method Thereof, and Photovoltaic SystemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2025·Application pending·0 cites
- 2567US2025293585A1Grid-forming control method for power converter and power converterHUAWEI DIGITAL POWER TECH CO LTD·Filed 2025·Application pending·0 cites
- 2666US12483128B2Three-level boost converter and control methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Nov 25, 2025·0 cites·20 claims
- 2766US11689026B2Photovoltaic power system and control method thereofHUAWEI TECH CO LTD·Filed 2022·Granted Jun 27, 2023·0 cites·18 claims
- 2865US11287410B2Sampling pumps and gas analyzersSHENZHEN MINDRAY BIOMEDICAL ELECTRONICS CO LTD·Filed 2020·Granted Mar 29, 2022·0 cites·20 claims
- 2964US2025260229A1Control method, new energy converter, and grid-connected power systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2025·Application pending·0 cites
- 3063US12388267B2Direct current combiner box, photovoltaic power generation system, and fault detection methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Aug 12, 2025·0 cites·19 claims
- 3162US12175284B2Method of creating high availability for single point network gateway using containersSONICWALL INC·Filed 2021·Granted Dec 24, 2024·0 cites·20 claims
- 3262US11088632B2Multi-channel inverter systems including coupled inductorsFUTUREWEI TECHNOLOGIES INC·Filed 2019·Granted Aug 10, 2021·0 cites·20 claims
- 3362US2024195440A1Communication method and communication apparatusHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 3461US12483126B2Resonant switched capacitor converter and control method thereofHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Granted Nov 25, 2025·0 cites·17 claims
- 3561US2025023489A1Power converter, energy storage system, and control methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2024·Application pending·0 cites
- 3660US8645479B2Chatting system, method and apparatus for virtual petLIU YUNFENG·Filed 2009·Granted Feb 4, 2014·4 cites·15 claims
- 3760US2024333172A1Power conversion device and control method thereofHUAWEI DIGITAL POWER TECH CO LTD·Filed 2024·Application pending·0 cites
- 3859US9516723B2System and method for driving light emitting diodesMAO SAIJUN·Filed 2011·Granted Dec 6, 2016·2 cites·20 claims
- 3958US12214418B2Device for improving quality of aluminum alloy horizontal continuous casting billet by applying ultrasonic treatmentUNIV DALIAN TECH·Filed 2024·Granted Feb 4, 2025·0 cites·4 claims
- 4058US12184073B2Energy storage system, on/off-grid switching method, and power conversion systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2022·Granted Dec 31, 2024·0 cites·13 claims
- 4158US11961923B2Solar cell and electronic deviceHUAWEI TECH CO LTD·Filed 2022·Granted Apr 16, 2024·0 cites·20 claims
- 4258US10656132B2Sampling pumps and gas analyzersSHENZHEN MINDRAY BIOMEDICAL ELECTRONICS CO LTD·Filed 2014·Granted May 19, 2020·0 cites·17 claims
- 4358US10404187B2Multi-channel inverter systems including coupled inductorsFUTUREWEI TECHNOLOGIES INC·Filed 2018·Granted Sep 3, 2019·0 cites·16 claims
- 4458US2025226657A1Power supply system and grid-forming control methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2025·Application pending·0 cites
- 4558US2024274727A1Solar cell component, manufacturing method thereof, and electronic deviceHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 4657US11897300B2Vehicle, control method for vehicle suspension, and related deviceHUAWEI DIGITAL POWER TECH CO LTD·Filed 2021·Granted Feb 13, 2024·0 cites·20 claims
- 4757US2025158534A1Power conversion system and power update control methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2024·Application pending·0 cites
- 4857US2025158413A1Power conversion system and power update control methodHUAWEI DIGITAL POWER TECH CO LTD·Filed 2024·Application pending·0 cites
- 4957US2025175314A1Method for reporting capability and apparatusHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 5057US2024349264A1Communication method and apparatusHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →