Hing Wai Michael Ma

Person

  • Hong Kong, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Opening/closing plug device

    • Patent number 10,181,671
    • Issue date Jan 15, 2019
    • Cord-It Limited
    • Hing Wai Michael Ma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Universal socket device

    • Patent number 9,577,395
    • Issue date Feb 21, 2017
    • Cord-It Limited
    • Hing Wai Michael Ma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Plug structure for connecting sockets

    • Patent number 9,190,760
    • Issue date Nov 17, 2015
    • PowerCubic International Limited
    • Hing Wai Michael Ma
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Fuse Structure for a Plug Device

    • Publication number 20180109046
    • Publication date Apr 19, 2018
    • Cord-It Limited
    • Hing Wai Michael Ma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Opening/Closing Plug Device

    • Publication number 20170338580
    • Publication date Nov 23, 2017
    • Cord-It Limited
    • Hing Wai Michael Ma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Universal Socket Device

    • Publication number 20150325968
    • Publication date Nov 12, 2015
    • Cord-It Limited
    • Hing Wai Michael Ma
    • H01 - BASIC ELECTRIC ELEMENTS