Patents by Inventor Changhe Wang

Changhe Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PARKINSON'S SYNDROME MARKER AND USE THEREOF
    Publication number: 20240247314
    Abstract: A method for diagnosing or assisting diagnosing or screening or assisting screening of whether a subject to be tested suffers from Parkinson's syndrome includes use of a substance for measuring the content of synaptotagmin-11, or use of synaptotagmin-11 as a marker of Parkinson's syndrome.
    Type: Application
    Filed: May 30, 2022
    Publication date: July 25, 2024
    Inventors: Changhe Wang, Xinjiang Kang, Yuhao Gu, Zhenli Xie
  • Power device with protection circuit
    Patent number: 11750082
    Abstract: A power device with a protection circuit is provided. The power device includes a power module, a power output terminal, a converter module, a bus capacitor, and a protection circuit. The power module receives an input power. The converter module, the protection circuit, and the bus capacitor is electrically connected between the power module and the power output terminal. The protection circuit is configured for overvoltage protection when the input power being overvoltage, suppressing the surge current when booting up the power device, and regulating the voltage on the bus capacitor under overvoltage and undervoltage conditions.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: September 5, 2023
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Zhenfu Li, Changhe Wang, Lixiang Wang, Youzhun Cai
  • POWER DEVICE WITH PROTECTION CIRCUIT
    Publication number: 20210305891
    Abstract: A power device with a protection circuit is provided. The power device includes a power module, a power output terminal, a converter module, a bus capacitor, and a protection circuit. The power module receives an input power. The converter module, the protection circuit, and the bus capacitor is electrically connected between the power module and the power output terminal. The protection circuit is configured for overvoltage protection when the input power being overvoltage, suppressing the surge current when booting up the power device, and regulating the voltage on the bus capacitor under overvoltage and undervoltage conditions.
    Type: Application
    Filed: March 25, 2021
    Publication date: September 30, 2021
    Inventors: Zhenfu Li, Changhe Wang, Lixiang Wang, Youzhun Cai