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Qi FU

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  • Taoyuan Hsien, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wireless signal device, system and method for elevator service request
    • Patent number 11,939,186
    • Issue date Mar 26, 2024
    • Otis Elevator Company
    • Kai Li
    • G06 - COMPUTING CALCULATING COUNTING
  • 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

    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

    Communication for elevator service request
    • Patent number 11,708,237
    • Issue date Jul 25, 2023
    • Otis Elevator Company
    • Kai Li
    • B66 - HOISTING LIFTING HAULING
  • 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

    Wireless signal device, system and method for elevator service request
    • Patent number 11,505,425
    • Issue date Nov 22, 2022
    • Otis Elevator Company
    • Hui Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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

    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

    Elevator service requesting based on social media application module
    • Patent number 10,645,543
    • Issue date May 5, 2020
    • Otis Elevator Company
    • Hui Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Power adaptor
    • Patent number 10,541,616
    • Issue date Jan 21, 2020
    • Delta Electronics (Shanghai) Co., Ltd.
    • Hai-Bin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control method and control apparatus for flyback circuit
    • Patent number 9,991,811
    • Issue date Jun 5, 2018
    • Delta Electronics (Shanghai) Co., Ltd.
    • Haibin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents