TREA

Hui-yin Liang

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Earphone device with a function of sound quality regulation and reg...
    • Patent number 8,467,561
    • Issue date Jun 18, 2013
    • Merry Electronics Co., Ltd.
    • Chiu-Yun Tung
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Headphone
    • Patent number 8,027,501
    • Issue date Sep 27, 2011
    • Merry Electronics Co., Ltd.
    • Chien-cheng Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Fabricating method for earphone
    • Patent number 7,971,338
    • Issue date Jul 5, 2011
    • Merry Electronics Co., Ltd.
    • Chien-cheng Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents