Yunfeng Liu

Person

Hangzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Solar cell and electronic device
- Patent number 11,961,923
- Issue date Apr 16, 2024
- Huawei Technologies Co., Ltd.
- Shuo Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vehicle, control method for vehicle suspension, and related device
- Patent number 11,897,300
- Issue date Feb 13, 2024
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Fangcheng Liu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for processing direct current electric arc and apparatus
- Patent number 11,693,062
- Issue date Jul 4, 2023
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- G01 - MEASURING TESTING
Information Patent Grant
Photovoltaic power system and control method thereof
- Patent number 11,689,026
- Issue date Jun 27, 2023
- Huawei Technologies Co., Ltd.
- Rongliang Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Time-sharing wave recording method
- Patent number 11,644,974
- Issue date May 9, 2023
- Delta Electronics (Shanghai) Co., Ltd.
- Guojin Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coupled inductor structure
- Patent number 11,587,726
- Issue date Feb 21, 2023
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Dianbo Fu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and system for controlling DC bus voltage
- Patent number 11,394,221
- Issue date Jul 19, 2022
- Delta Electronics, Inc.
- Guoqiao Shen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fast charging method, terminal, charger, and system with open loop...
- Patent number 11,362,527
- Issue date Jun 14, 2022
- Huawei Technologies Co., Ltd.
- Ce Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photovoltaic power system and control method thereof
- Patent number 11,316,347
- Issue date Apr 26, 2022
- Huawei Technologies Co., Ltd.
- Rongliang Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sampling pumps and gas analyzers
- Patent number 11,287,410
- Issue date Mar 29, 2022
- Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
- Weidong Zhou
- G01 - MEASURING TESTING
Information Patent Grant
Control method and apparatus for common-mode modulated wave of sing...
- Patent number 11,146,181
- Issue date Oct 12, 2021
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-channel inverter systems including coupled inductors
- Patent number 11,088,632
- Issue date Aug 10, 2021
- FutureWei Technologies, Inc.
- Dianbo Fu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Single-phase converter control method and apparatus
- Patent number 10,666,159
- Issue date May 26, 2020
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sampling pumps and gas analyzers
- Patent number 10,656,132
- Issue date May 19, 2020
- Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
- Weidong Zhou
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Multi-channel inverter systems including coupled inductors
- Patent number 10,404,187
- Issue date Sep 3, 2019
- FutureWei Technologies, Inc.
- Dianbo Fu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wave loss detection circuit for drive signal and switching transist...
- Patent number 10,355,687
- Issue date Jul 16, 2019
- Huawei Technologies Co., Ltd.
- Zhen Cao
- G01 - MEASURING TESTING
Information Patent Grant
Coupled inductor structure
- Patent number 10,163,562
- Issue date Dec 25, 2018
- FutureWei Technologies, Inc.
- Dianbo Fu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter
- Patent number 10,103,640
- Issue date Oct 16, 2018
- Huawei Technologies Co., Ltd.
- Yazhu Zhao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multi-channel inverter systems
- Patent number 9,923,485
- Issue date Mar 20, 2018
- FutureWei Technologies, Inc.
- Dianbo Fu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion circuit and power conversion system
- Patent number 9,787,217
- Issue date Oct 10, 2017
- Huawei Technologies Co., Ltd.
- Yanshen Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-level inverter apparatus and method
- Patent number 9,641,098
- Issue date May 2, 2017
- FutureWei Technologies, Inc.
- Dianbo Fu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Coupled inductor and power converter
- Patent number 9,601,262
- Issue date Mar 21, 2017
- Huawei Technologies Co., Ltd.
- Fei Ye
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-level inverter systems
- Patent number 9,595,862
- Issue date Mar 14, 2017
- FutureWei Technologies, Inc.
- Dianbo Fu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for power charging or discharging
- Patent number 9,548,620
- Issue date Jan 17, 2017
- General Electric Company
- Min Hu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System and method for driving light emitting diodes
- Patent number 9,516,723
- Issue date Dec 6, 2016
- General Electric Company
- Saijun Mao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multilevel converter and power supply system
- Patent number 9,479,071
- Issue date Oct 25, 2016
- Huawei Technologies Co., Ltd.
- Lei Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-level inverter and power supply system
- Patent number 9,385,632
- Issue date Jul 5, 2016
- Huawei Technologies Co., Ltd.
- Yanshen Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for converter switching frequency control
- Patent number 9,190,923
- Issue date Nov 17, 2015
- General Electric Company
- Xiaoming Yuan
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Neutral point clamped converter control system and control method a...
- Patent number 9,083,261
- Issue date Jul 14, 2015
- General Electric Company
- Wenqiang Yang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Chatting system, method and apparatus for virtual pet
- Patent number 8,645,479
- Issue date Feb 4, 2014
- Tencent Technology (Shenzhen) Company Limited
- Yunfeng Liu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION METHOD AND APPARATUS
- Publication number 20240349264
- Publication date Oct 17, 2024
- Huawei Technologies Co., Ltd
- Yunfeng LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER CONVERSION DEVICE AND CONTROL METHOD THEREOF
- Publication number 20240333172
- Publication date Oct 3, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Yi DU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMMUNICATION METHOD AND COMMUNICATION APPARATUS
- Publication number 20240323961
- Publication date Sep 26, 2024
- Huawei Technologies Co., Ltd
- Yunfeng LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INVERTER AND INVERTER CONTROL METHOD
- Publication number 20240305218
- Publication date Sep 12, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Dong CHEN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMMUNICATION METHOD AND APPARATUS
- Publication number 20240276460
- Publication date Aug 15, 2024
- Huawei Technologies Co., Ltd
- Yunfeng LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOLAR CELL COMPONENT, MANUFACTURING METHOD THEREOF, AND ELECTRONIC...
- Publication number 20240274727
- Publication date Aug 15, 2024
- Huawei Technologies Co., Ltd
- Qun Luo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOVOLTAIC SYSTEM, RELAY DETECTION METHOD, AND POWER SUPPLY SYSTEM
- Publication number 20240213767
- Publication date Jun 27, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Li LU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMMUNICATION METHOD AND COMMUNICATION APPARATUS
- Publication number 20240195440
- Publication date Jun 13, 2024
- Huawei Technologies Co., Ltd
- Yunfeng LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BONDING STRUCTURE AND POWER DEVICE
- Publication number 20240145426
- Publication date May 2, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Fenglong LU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CLI MEASUREMENT METHOD AND COMMUNICATION APPARATUS
- Publication number 20240114489
- Publication date Apr 4, 2024
- Huawei Technologies Co., Ltd
- Yunfeng LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packaged Device, Packaged Module, and Power Conversion Device
- Publication number 20240096729
- Publication date Mar 21, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Dong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RESONANT SWITCHED CAPACITOR CONVERTER AND CONTROL METHOD THEREOF
- Publication number 20240088785
- Publication date Mar 14, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CARRIER AGGREGATION METHOD, APPARATUS, AND SYSTEM
- Publication number 20240072985
- Publication date Feb 29, 2024
- Huawei Technologies Co., Ltd
- Yunfeng LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIRECT CURRENT COMBINER BOX, PHOTOVOLTAIC POWER GENERATION SYSTEM,...
- Publication number 20240047973
- Publication date Feb 8, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Dong CHEN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DATA TRANSMISSION METHOD AND APPARATUS
- Publication number 20240014968
- Publication date Jan 11, 2024
- Huawei Technologies Co., Ltd
- Jian YU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BACKFEED SOFT-START CIRCUIT FOR STRING PHOTOVOLTAIC INVERTER
- Publication number 20230327543
- Publication date Oct 12, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Zhen Cao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Bidirectional Direct Current Converter and Control Method Thereof
- Publication number 20230179106
- Publication date Jun 8, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Jun WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
THREE-LEVEL BOOST CONVERTER AND CONTROL METHOD
- Publication number 20230155499
- Publication date May 18, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Jun WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ENERGY STORAGE SYSTEM, ON/OFF-GRID SWITCHING METHOD, AND POWER CONV...
- Publication number 20230031139
- Publication date Feb 2, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Mingxuan DONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGING METHOD, TERMINAL, CHARGER, AND SYSTEM
- Publication number 20230018211
- Publication date Jan 19, 2023
- Huawei Technologies Co., Ltd
- Ce LIU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PACKAGED POWER SEMICONDUCTOR DEVICE AND POWER CONVERTER
- Publication number 20220359349
- Publication date Nov 10, 2022
- Huawei Digital Power Technologies Co., Ltd.
- Dong CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLAR CELL AND ELECTRONIC DEVICE
- Publication number 20220344524
- Publication date Oct 27, 2022
- Huawei Technologies Co., Ltd
- Shuo WANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOVOLTAIC POWER SYSTEM AND CONTROL METHOD THEREOF
- Publication number 20220231511
- Publication date Jul 21, 2022
- Huawei Technologies Co., Ltd
- Rongliang SHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VEHICLE, CONTROL METHOD FOR VEHICLE SUSPENSION, AND RELATED DEVICE
- Publication number 20220194157
- Publication date Jun 23, 2022
- Huawei Digital Power Technologies Co., Ltd.
- Fangcheng LIU
- B60 - VEHICLES IN GENERAL
Information Patent Application
SPEECH RECOGNITION METHOD, SYSTEM AND STORAGE MEDIUM
- Publication number 20210249019
- Publication date Aug 12, 2021
- SHENZHEN ZHUIYI TECHNOLOGY CO., LTD.
- Feng LIU
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PHOTOVOLTAIC POWER SYSTEM AND CONTROL METHOD THEREOF
- Publication number 20210098993
- Publication date Apr 1, 2021
- Huawei Technologies Co., Ltd
- Rongliang SHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR PROCESSING DIRECT CURRENT ELECTRIC ARC AND APPARATUS
- Publication number 20200326385
- Publication date Oct 15, 2020
- Huawei Technologies Co., Ltd
- Fangcheng LIU
- G01 - MEASURING TESTING
Information Patent Application
CONTROL METHOD AND APPARATUS FOR SINGLE-PHASE FIVE-LEVEL CONVERTER
- Publication number 20200328697
- Publication date Oct 15, 2020
- Huawei Technologies Co., Ltd
- Fangcheng Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SAMPLING PUMPS AND GAS ANALYZERS
- Publication number 20200278334
- Publication date Sep 3, 2020
- Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
- Weidong Zhou
- G01 - MEASURING TESTING
Information Patent Application
TIME-SHARING WAVE RECORDING METHOD
- Publication number 20200142592
- Publication date May 7, 2020
- DELTA ELECTRONICS (SHANGHAI) CO., LTD.
- Guojin Xu
- G06 - COMPUTING CALCULATING COUNTING

Yunfeng Liu

Person

Patents Grantslast 30 patents

Solar cell and electronic device

Vehicle, control method for vehicle suspension, and related device

Method for processing direct current electric arc and apparatus

Photovoltaic power system and control method thereof

Time-sharing wave recording method

Coupled inductor structure

Method and system for controlling DC bus voltage

Fast charging method, terminal, charger, and system with open loop...

Photovoltaic power system and control method thereof

Sampling pumps and gas analyzers

Control method and apparatus for common-mode modulated wave of sing...

Multi-channel inverter systems including coupled inductors

Single-phase converter control method and apparatus

Sampling pumps and gas analyzers

Multi-channel inverter systems including coupled inductors

Wave loss detection circuit for drive signal and switching transist...

Coupled inductor structure

Power converter

Multi-channel inverter systems

Power conversion circuit and power conversion system

Multi-level inverter apparatus and method

Coupled inductor and power converter

Multi-level inverter systems

System and method for power charging or discharging

System and method for driving light emitting diodes

Multilevel converter and power supply system

Multi-level inverter and power supply system

System and method for converter switching frequency control

Neutral point clamped converter control system and control method a...

Chatting system, method and apparatus for virtual pet

Patents Applicationslast 30 patents

COMMUNICATION METHOD AND APPARATUS

POWER CONVERSION DEVICE AND CONTROL METHOD THEREOF

COMMUNICATION METHOD AND COMMUNICATION APPARATUS

INVERTER AND INVERTER CONTROL METHOD

COMMUNICATION METHOD AND APPARATUS

SOLAR CELL COMPONENT, MANUFACTURING METHOD THEREOF, AND ELECTRONIC...

PHOTOVOLTAIC SYSTEM, RELAY DETECTION METHOD, AND POWER SUPPLY SYSTEM

COMMUNICATION METHOD AND COMMUNICATION APPARATUS

BONDING STRUCTURE AND POWER DEVICE

CLI MEASUREMENT METHOD AND COMMUNICATION APPARATUS

Packaged Device, Packaged Module, and Power Conversion Device

RESONANT SWITCHED CAPACITOR CONVERTER AND CONTROL METHOD THEREOF

CARRIER AGGREGATION METHOD, APPARATUS, AND SYSTEM

DIRECT CURRENT COMBINER BOX, PHOTOVOLTAIC POWER GENERATION SYSTEM,...

DATA TRANSMISSION METHOD AND APPARATUS

BACKFEED SOFT-START CIRCUIT FOR STRING PHOTOVOLTAIC INVERTER

Bidirectional Direct Current Converter and Control Method Thereof

THREE-LEVEL BOOST CONVERTER AND CONTROL METHOD

ENERGY STORAGE SYSTEM, ON/OFF-GRID SWITCHING METHOD, AND POWER CONV...

CHARGING METHOD, TERMINAL, CHARGER, AND SYSTEM

PACKAGED POWER SEMICONDUCTOR DEVICE AND POWER CONVERTER

SOLAR CELL AND ELECTRONIC DEVICE

PHOTOVOLTAIC POWER SYSTEM AND CONTROL METHOD THEREOF

VEHICLE, CONTROL METHOD FOR VEHICLE SUSPENSION, AND RELATED DEVICE

SPEECH RECOGNITION METHOD, SYSTEM AND STORAGE MEDIUM

PHOTOVOLTAIC POWER SYSTEM AND CONTROL METHOD THEREOF

METHOD FOR PROCESSING DIRECT CURRENT ELECTRIC ARC AND APPARATUS

CONTROL METHOD AND APPARATUS FOR SINGLE-PHASE FIVE-LEVEL CONVERTER

SAMPLING PUMPS AND GAS ANALYZERS

TIME-SHARING WAVE RECORDING METHOD