Patents by Inventor Hejiang Ma

Hejiang Ma 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: D923187
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: June 22, 2021
    Assignee: SHENZHEN SHUFANG INNOVATION TECHNOLOGY CO., LTD.
    Inventors: Hejiang Ma, Yufang Deng
  • Patent number: D991445
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: July 4, 2023
    Inventor: Hejiang Ma
  • Patent number: D992749
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: July 18, 2023
    Assignee: Shenzhen Shufang Innovation Technology Co., Ltd.
    Inventor: Hejiang Ma