Patents by Inventor Qingzhi Li

Qingzhi Li 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).

  • Positioning Method and Apparatus
    Publication number: 20220277478
    Abstract: A positioning method includes obtaining an estimated extrinsic parameter of a camera and an intrinsic parameter of the camera, where the estimated extrinsic parameter of the camera is obtained based on world coordinates of a plurality of estimation points in a shooting region of the camera, image coordinates of the plurality of estimation points, and the intrinsic parameter of the camera; obtaining image coordinates of a target in an image shot by the camera; and obtaining world coordinates of the target based on the estimated extrinsic parameter of the camera, the intrinsic parameter of the camera, and the image coordinates of the target.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 1, 2022
    Inventors: Yidan Teng, Kai Zhou, Jing Zhang, Qingzhi Li, Weikang Ning
  • Power bank for VR device
    Patent number: D974293
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: January 3, 2023
    Inventor: Qingzhi Li
  • Bottle adapter
    Patent number: D975543
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: January 17, 2023
    Inventor: Qingzhi Li
  • Cooking thermosensor organizer
    Patent number: D1007345
    Type: Grant
    Filed: July 26, 2023
    Date of Patent: December 12, 2023
    Assignee: Guangzhou Huicheng E-Commerce Co., Ltd.
    Inventor: Qingzhi Li