Patents by Inventor Changjun Ouyang

Changjun Ouyang 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).

  • Electric scooter
    Patent number: D816779
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: May 1, 2018
    Inventors: Changjun Ouyang, Xiaojie Xiao
  • Electric scooter
    Patent number: D1057602
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: January 14, 2025
    Assignee: Dongguan Riding Technology Co., Ltd.
    Inventor: Changjun Ouyang