Patents by Inventor Long Xian Ni

Long Xian Ni 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).

  • Low voltage converter
    Patent number: D919568
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: May 18, 2021
    Assignee: Siemens Aktiengesellschaft
    Inventors: An Chao Zhang, Bin Yang, Yu Feng Wang, Jian Zhang, Long Xian Ni
  • Power module of a frequency converter
    Patent number: D929937
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: September 7, 2021
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: An Chao Zhang, Jiang Hai Xu, Long Xian Ni, Wen Chao Qu, Jian Zhang