TREA

Yonghyuk NA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Earphone with a pipeline damper
    • Patent number 10,785,556
    • Issue date Sep 22, 2020
    • LG Electronics Inc.
    • Yonghyuk Na
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Earphone
    • Patent number 10,448,141
    • Issue date Oct 15, 2019
    • LG Electronics Inc.
    • Yonghyuk Na
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ear unit and portable sound device
    • Patent number 10,433,061
    • Issue date Oct 1, 2019
    • LG Electronics Inc.
    • Yonghyuk Na
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SOUND DEVICE
    • Publication number 20230353921
    • Publication date Nov 2, 2023
    • LG ELECTRONICS INC.
    • Giljae Lee
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    EARPHONE
    • Publication number 20190215599
    • Publication date Jul 11, 2019
    • LG ELECTRONICS INC.
    • Yonghyuk NA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EARPHONE
    • Publication number 20180184192
    • Publication date Jun 28, 2018
    • LG ELECTRONICS INC.
    • Yonghyuk NA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EAR UNIT AND PORTABLE SOUND DEVICE
    • Publication number 20180184205
    • Publication date Jun 28, 2018
    • LG ELECTRONICS INC.
    • Yonghyuk NA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE