Patents by Inventor Daoyou Yang

Daoyou Yang 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: D991139
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: July 4, 2023
    Assignee: SHANGHAI YIZHE INDUSTRIAL CO LTD
    Inventor: Daoyou Yang