Patents by Inventor Jia Na

Jia Na 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).

  • Wheel hub
    Patent number: D830270
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: October 9, 2018
    Assignee: BEIJING CHJ AUTOMOTIVE TECHNOLOGY CO., LTD.
    Inventors: Donghui Ma, Jia Na
  • Wheel hub
    Patent number: D830939
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: October 16, 2018
    Assignee: BEIJING CHJ AUTOMOTIVE TECHNOLOGY CO., LTD.
    Inventors: Donghui Ma, Jia Na
  • Motor vehicle
    Patent number: D834999
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: December 4, 2018
    Assignee: Beijing CHJ Automotive Technology Co., Ltd.
    Inventors: Donghui Ma, Jia Na
  • Battery
    Patent number: D841574
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: February 26, 2019
    Assignee: BEIJING CHJ AUTOMOTIVE TECHNOLOGY CO., LTD
    Inventors: Donghui Ma, Jia Na, Xiangqi Wang