TREA

Guanglei Liu

Follow

Person

  • WeiFang, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Miniature speaker
    • Patent number 10,341,780
    • Issue date Jul 2, 2019
    • GOERTEK INC.
    • Zhibing Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electroacoustic transducer
    • Patent number 9,838,796
    • Issue date Dec 5, 2017
    • GOERTEK INC.
    • Di Wu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Micro loudspeaker and electronic device using same
    • Patent number 9,307,306
    • Issue date Apr 5, 2016
    • GoerTek Inc.
    • Yunhai Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    MINIATURE SPEAKER
    • Publication number 20180192202
    • Publication date Jul 5, 2018
    • GOERTEK INC.
    • Zhibing WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCER
    • Publication number 20170006384
    • Publication date Jan 5, 2017
    • GOERTEK INC.
    • Di WU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICRO LOUDSPEAKER AND ELECTRONIC DEVICE USING SAME
    • Publication number 20150063607
    • Publication date Mar 5, 2015
    • GOERTEK INC.
    • Yunhai Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE