Patents by Inventor Yangguang Ji

Yangguang 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).

  • Toilet grab bar
    Patent number: D1000247
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: October 3, 2023
    Assignee: Longway Greenenergy GmbH
    Inventor: Yangguang Ji
  • Bed rail
    Patent number: D1015792
    Type: Grant
    Filed: June 28, 2023
    Date of Patent: February 27, 2024
    Assignee: Longway Greenenergy GmbH
    Inventor: Yangguang Ji