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Daofei Xu

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flyback circuit and control method of clamping switch of flyback ci...
    • Patent number 12,289,055
    • Issue date Apr 29, 2025
    • Delta Electronics (Shanghai) Co., Ltd.
    • Qiangqiang Wang
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power converter and method of control thereof
    • Patent number RE50277
    • Issue date Jan 21, 2025
    • Delta Electronics, Inc.
    • Haibin Song
  • Information Patent Grant

    Winding assembly and magnetic element
    • Patent number 12,027,299
    • Issue date Jul 2, 2024
    • Delta Electronics (Shanghai) Co., Ltd.
    • Qi Fu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Converter adaptable to wide range output voltage and control method...
    • Patent number 11,973,430
    • Issue date Apr 30, 2024
    • Delta Electronics (Shanghai) Co., Ltd.
    • Hairui Xu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetic core
    • Patent number D1005953
    • Issue date Nov 28, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Hybrid flyback circuit and control method
    • Patent number 11,824,456
    • Issue date Nov 21, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Detecting method for an operating state of a power supply and a det...
    • Patent number 11,774,516
    • Issue date Oct 3, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Yunfei Liu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Converter adaptable to wide range output voltage and control method...
    • Patent number 11,777,408
    • Issue date Oct 3, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Hairui Xu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetic core
    • Patent number D997876
    • Issue date Sep 5, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Power adapter
    • Patent number 11,737,219
    • Issue date Aug 22, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Adapter and control method thereof
    • Patent number 11,711,017
    • Issue date Jul 25, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Jian Zhou
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Voltage switching circuit and power adapter having regulated range...
    • Patent number 11,699,958
    • Issue date Jul 11, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power adapter
    • Patent number 11,616,449
    • Issue date Mar 28, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Jian Zhou
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetic device and method of manufacturing the same
    • Patent number 11,581,119
    • Issue date Feb 14, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Totem-pole power factor correction circuit
    • Patent number 11,575,315
    • Issue date Feb 7, 2023
    • Delta Electronics (Shanghai) Co., Ltd.
    • Qi Fu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power factor correction circuit
    • Patent number 11,489,440
    • Issue date Nov 1, 2022
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Method and apparatus for controlling a flyback converter
    • Patent number 11,349,397
    • Issue date May 31, 2022
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power adapter and electronic device comprising the power adapter
    • Patent number 11,303,081
    • Issue date Apr 12, 2022
    • Delta Electronics (Shanghai) Co., Ltd.
    • Xiaojun Chen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic core
    • Patent number D932435
    • Issue date Oct 5, 2021
    • Delta Electronics (Shanghai) Co., Ltd.
    • Zengyi Lu
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    PCB winding transformer and coil board thereof
    • Patent number 10,998,118
    • Issue date May 4, 2021
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Connector protection method and system
    • Patent number 10,998,683
    • Issue date May 4, 2021
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haitao Zhang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic core
    • Patent number D912626
    • Issue date Mar 9, 2021
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Power adapter
    • Patent number D909296
    • Issue date Feb 2, 2021
    • Delta Electronics (Shanghai) Co., Ltd.
    • Xiaojun Chen
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Method and apparatus for controlling a flyback converter
    • Patent number 10,797,603
    • Issue date Oct 6, 2020
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Flyback converter and control method thereof
    • Patent number 10,637,365
    • Issue date Apr 28, 2020
    • Delta Electronics, Inc.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power adapter
    • Patent number D864112
    • Issue date Oct 22, 2019
    • Delta Electronics (Shanghai) Co., Ltd.
    • Xiaojun Chen
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Device and method for controlling flyback converter
    • Patent number 10,333,417
    • Issue date Jun 25, 2019
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control device and control method
    • Patent number 10,333,418
    • Issue date Jun 25, 2019
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control device and control method
    • Patent number 10,291,136
    • Issue date May 14, 2019
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power converter and method of control thereof
    • Patent number 10,141,853
    • Issue date Nov 27, 2018
    • Delta Electronics, Inc.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents