Patents by Inventor Yalan Wang

Yalan 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).

  • Controlling commutation of a power semiconductor switching device and freewheel diode pair
    Patent number: 8004317
    Abstract: This invention relates to a control method and a circuit for MOS-gated power semiconductor switching devices such as IGBTs or MOSFETs, which allows control and optimisition of the current and voltage commutation of a power semiconductor switching device and freewheel diode pair in the basic half-bridge circuit found in a wide range of equipment.
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: August 23, 2011
    Assignee: Cambridge Enterprise Limited
    Inventors: Patrick Reginald Palmer, Yalan Wang, Angus Toby Bryant
  • CONTROL OF POWER SEMICONDUCTOR DEVICES
    Publication number: 20100060326
    Abstract: This invention relates to a control method and a circuit for MOS-gated power semiconductor switching devices such as IGBTs or MOSFETs, which allows control and optimisition of the current and voltage commutation of a power semiconductor switching device and freewheel diode pair in the basic half-bridge circuit found in a wide range of equipment.
    Type: Application
    Filed: September 10, 2007
    Publication date: March 11, 2010
    Applicant: Cambridge Enterprise Limited
    Inventors: Patrick Reginald Palmer, Yalan Wang, Angus Toby Bryant
  • Storage rack
    Patent number: D992303
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: July 18, 2023
    Inventor: Yalan Wang