Shun Ming YUEN

Person

  • Hong Kong, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Noise-reducing earphone with adjustable voice

    • Patent number 11,445,291
    • Issue date Sep 13, 2022
    • INNOVATION SOUND TECHNOLOGY CO., LTD.
    • Shun Ming Yuen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Lumped circuit balance converter applied to double-sided parallel l...

    • Patent number 10,978,771
    • Issue date Apr 13, 2021
    • INNOVATION SOUND TECHNOLOGY CO., LTD.
    • Shun Ming Yuen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Moving-coil speaker

    • Patent number 10,244,328
    • Issue date Mar 26, 2019
    • INNOVATION SOUND TECHNOLOGY CO., LTD.
    • Shun Ming Yuen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Earphone

    • Patent number 9,319,771
    • Issue date Apr 19, 2016
    • INNOVATION SOUND TECHNOLOGY CO., LTD.
    • Shun Ming Yuen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents