Patents by Inventor Qingda Cai

Qingda Cai 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).

  • Ambient light
    Patent number: D990751
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: June 27, 2023
    Assignee: Shenzhen Sovela Technology Co., Ltd.
    Inventors: Jinxiong Sun, Qingda Cai, Tianming Shi
  • Rotatable floor lamp
    Patent number: D998224
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: September 5, 2023
    Assignee: Shenzhen Sovela Technology Co., Ltd.
    Inventors: Jinxiong Sun, Qingda Cai, Tianming Shi
  • Mirror light
    Patent number: D999424
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: September 19, 2023
    Assignee: Shenzhen Xinweiran Technology Co., Ltd.
    Inventors: Jinxiong Sun, Qingda Cai, Tianming Shi