Patents by Inventor Ji Gan Chen

Ji Gan Chen 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).

  • Portable battery
    Patent number: D908619
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: January 26, 2021
    Assignee: SHENZHEN SIYOTEAM TECHNOLOGY CO., LTD.
    Inventor: Ji Gan Chen