Patents by Inventor Qianwen Ji

Qianwen Ji 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).

  • Patent number: D851614
    Type: Grant
    Filed: December 9, 2018
    Date of Patent: June 18, 2019
    Assignee: SHENZHEN LEJIAN LIFE HEALTH MANAGEMENT CONSULTING CO., LTD.
    Inventor: Qianwen Ji
  • Patent number: D951192
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: May 10, 2022
    Assignee: SHENZHEN LEJIAN LIFE HEALTH MANAGEMENT CONSULTING CO., LTD.
    Inventor: Qianwen Ji