Patents by Inventor JunJiang Qian

JunJiang Qian 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 facial cleansing brush
    Patent number: D920679
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: June 1, 2021
    Inventor: JunJiang Qian
  • Electric eyebrow razor
    Patent number: D947452
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: March 29, 2022
    Inventor: JunJiang Qian