TREA

I-Chang Liu

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Headphone
    • Patent number 11,516,571
    • Issue date Nov 29, 2022
    • Merry Electronics Co., Ltd.
    • Chih-Yuan Huang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Fixing structure and neck strap having the same
    • Patent number 10,349,538
    • Issue date Jul 9, 2019
    • Merry Electronics(Shenzhen) Co., Ltd.
    • Yung-Tsung Hsu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Bluetooth dedvice
    • Patent number 8,750,800
    • Issue date Jun 10, 2014
    • Merry Electronics Co., Ltd.
    • Cheng-Yu Tsai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Headphone
    • Patent number 5,881,161
    • Issue date Mar 9, 1999
    • Merry Electronics Co., Ltd.
    • I-Chang Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    HEADPHONE
    • Publication number 20220337932
    • Publication date Oct 20, 2022
    • MERRY ELECTRONICS CO., LTD.
    • Chih-Yuan HUANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BLUETOOTH DEDVICE
    • Publication number 20130273852
    • Publication date Oct 17, 2013
    • MERRY ELECTRONICS CO., LTD.
    • Cheng-Yu Tsai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE