TREA

Shu Jiang

Follow

Person

  • Shandong, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker module and sound production device
    • Patent number 10,638,233
    • Issue date Apr 28, 2020
    • GOERTEK, INC.
    • Huixian Cao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Moving-coil loudspeaker
    • Patent number 10,638,220
    • Issue date Apr 28, 2020
    • GOERTEK, INC.
    • Huixian Cao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    MOVING-COIL LOUDSPEAKER
    • Publication number 20190253808
    • Publication date Aug 15, 2019
    • GOERTEK INC.
    • Huixian Cao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER MODULE AND SOUND PRODUCTION DEVICE
    • Publication number 20190208328
    • Publication date Jul 4, 2019
    • Goertek Inc.
    • Huixian Cao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MOVING-COIL LOUDSPEAKER
    • Publication number 20190200137
    • Publication date Jun 27, 2019
    • GOERTEK INC.
    • Huixian Cao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE