Patents by Inventor Yangjie Zhang

Yangjie Zhang 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).

  • Power factor correction circuit
    Patent number: 10122262
    Abstract: A bridgeless power factor correction (PFC) circuit has first and second nodes, and first and second current paths connected between the first and second nodes. The first current path includes a first semiconductor device and a first switch element, and the second current path includes a second semiconductor device and a second switch element. One of the first and the second current paths further includes first and second sensing elements that are oppositely connected in series.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: November 6, 2018
    Assignee: NXP USA, INC.
    Inventors: Dechang Wang, Yangjie Zhang, Xiang Gao, Lingling Wang