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Hoi Lam Tam

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  • Kowloon, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sapphire coated substrate with a flexible, anti-scratch and multi-l...
    • Patent number 11,713,503
    • Issue date Aug 1, 2023
    • Hong Kong Baptist University
    • Kok Wai Cheah
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Sapphire thin film coated substrate
    • Patent number 11,535,926
    • Issue date Dec 27, 2022
    • HKBU R&D LICENSING LIMITED
    • Kok Wai Cheah
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Sapphire thin film coated flexible substrate
    • Patent number 10,941,480
    • Issue date Mar 9, 2021
    • HKBU R&D LICENSING LIMITED
    • Kok Wai Cheah
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Sapphire thin film coated substrate
    • Patent number 10,227,689
    • Issue date Mar 12, 2019
    • Hong Kong Baptist University
    • Kok Wai Cheah
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Sapphire thin film coated flexible substrate
    • Patent number 10,072,329
    • Issue date Sep 11, 2018
    • Hong Kong Baptist University
    • Kok Wai Cheah
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Sapphire thin film coated substrate
    • Patent number 9,932,663
    • Issue date Apr 3, 2018
    • Hong Kong Baptist University
    • Kok Wai Cheah
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Sapphire thin film coated substrate
    • Patent number 9,695,501
    • Issue date Jul 4, 2017
    • Hong Kong Baptist University
    • Kok Wai Cheah
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Silicon-based ultra-violet LED
    • Patent number 6,869,814
    • Issue date Mar 22, 2005
    • Kok Wai Cheah
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Silicon-based ultra-violet LED
    • Patent number 6,759,686
    • Issue date Jul 6, 2004
    • Kok Wai Cheah
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Sapphire Coated Substrate With A Flexible, Anti-Scratch And Multi-L...
    • Publication number 20190249292
    • Publication date Aug 15, 2019
    • HONG KONG BAPTIST UNIVERSITY
    • Kok Wai CHEAH
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    Carbon-based Nano-thin Film for Enhancing Surface Abrasion Resistan...
    • Publication number 20190169735
    • Publication date Jun 6, 2019
    • HONG KONG BAPTIST UNIVERSITY
    • Kok Wai CHEAH
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    SAPPHIRE THIN FILM COATED SUBSTRATE
    • Publication number 20190169734
    • Publication date Jun 6, 2019
    • HONG KONG BAPTIST UNIVERSITY
    • Kok Wai CHEAH
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    Sapphire thin film coated flexible substrate
    • Publication number 20180347028
    • Publication date Dec 6, 2018
    • HONG KONG BAPTIST UNIVERSITY
    • Kok Wai CHEAH
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SAPPHIRE THIN FILM COATED SUBSTRATE
    • Publication number 20180202036
    • Publication date Jul 19, 2018
    • HONG KONG BAPTIST UNIVERSITY
    • Kok Wai CHEAH
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SAPPHIRE THIN FILM COATED SUBSTRATE
    • Publication number 20170260620
    • Publication date Sep 14, 2017
    • HONG KONG BAPTIST UNIVERSITY
    • Kok Wai CHEAH
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Sapphire thin film coated substrate
    • Publication number 20160076135
    • Publication date Mar 17, 2016
    • HONG KONG BAPTIST UNIVERSITY
    • Kok Wai CHEAH
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Sapphire thin film coated flexible substrate
    • Publication number 20160024639
    • Publication date Jan 28, 2016
    • HONG KONG BAPTIST UNIVERSITY
    • Kok Wai CHEAH
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Silicon-based ultra-violet LED
    • Publication number 20040211973
    • Publication date Oct 28, 2004
    • Kok Wai Cheah
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Silicon-based ultra-violet LED
    • Publication number 20030227031
    • Publication date Dec 11, 2003
    • Kok Wai Cheah
    • H01 - BASIC ELECTRIC ELEMENTS