Patents by Inventor Tat Kwong Simon LEUNG

Tat Kwong Simon LEUNG 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: 12289405
    Abstract: The present disclosure provides a graphical watermark, a method and an apparatus for generating a graphical watermark, and a method and an apparatus for authenticating a graphical watermark. The graphical watermark includes: a plurality of graphical markers carrying position and pose information, and identity information of the graphical watermark; and a watermark pattern provided between a pair of graphical markers.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: April 29, 2025
    Assignee: I-SPRINT INNOVATIONS PTE LTD
    Inventors: Chin Phek Ong, Wai Keung Ching, Tat Kwong Simon Leung
  • Publication number: 20230050492
    Abstract: The present disclosure provides a graphical watermark, a method and an apparatus for generating a graphical watermark, and a method and an apparatus for authenticating a graphical watermark. The graphical watermark includes: a plurality of graphical markers carrying position and pose information, and identity information of the graphical watermark; and a watermark pattern provided between a pair of graphical markers.
    Type: Application
    Filed: July 18, 2022
    Publication date: February 16, 2023
    Applicant: I-SPRINT INNOVATIONS PTE LTD
    Inventors: Chin Phek ONG, Wai Keung CHING, Tat Kwong Simon LEUNG
  • Publication number: 20210004840
    Abstract: The present application provides a product having dual layer identification codes, a product traceability and anti-counterfeiting authentication method and apparatus. The method includes: receiving a query request sent from a user by scanning a first identification code on a product; providing basic information, a logistic state, and user scanning information of the product matching the first identification code to the user; receiving an authentication request sent from a user by scanning a second identification code on the product; and providing an anti-counterfeiting authentication result of the product matching the second identification code to the user. By the present disclosure, the anti-counterfeiting effect can be guaranteed on a basis of reducing a difficulty in user query.
    Type: Application
    Filed: February 28, 2019
    Publication date: January 7, 2021
    Inventors: Wai Keung CHING, Tat Kwong Simon LEUNG