Patents by Inventor Yun D. TANG

Yun D. TANG 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).

  • THREE-DIMENSIONAL CALIBRATION TARGET
    Publication number: 20210407123
    Abstract: A three-dimensional calibration target may include an asymmetric polyhedron having a bottom and at least four faces, a base platform underlying the bottom and rotatably supporting the asymmetric polyhedron and a home position indicator to indicate a predefined angular position of the asymmetric polyhedron relative to the base.
    Type: Application
    Filed: April 19, 2018
    Publication date: December 30, 2021
    Inventors: Yun D. TANG, Matthew G. LOPEZ, Vijaykumar NAYAK, Andy Y. LIAO, Javier A. URQUIZU