TREA

Lijian JIN

Follow

Person

  • Hong Kong, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Toothbrush
    • Patent number 11,234,802
    • Issue date Feb 1, 2022
    • The University of Hong Kong
    • Tze Chuen Ng
    • A46 - BRUSHWARE

Patents Applicationslast 30 patents

  • Information Patent Application

    ORAL-JET PROCLEANING SYSTEMS
    • Publication number 20250195187
    • Publication date Jun 19, 2025
    • The University of Hong Kong
    • Tze Chuen NG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    TOOTHBRUSH
    • Publication number 20200008913
    • Publication date Jan 9, 2020
    • The University of Hong Kong
    • Tze Chuen NG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE