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Chee Kit YUEN

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  • Huizhou, Guangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Earphones with air release valves
    • Patent number 9,674,600
    • Issue date Jun 6, 2017
    • ACOUSTIC INNOVATION (HUIZHOU) CO., LTD.
    • Chee Kit Yuen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Micro Loudspeaker
    • Publication number 20180376248
    • Publication date Dec 27, 2018
    • Acoustic Innovation (Huizhou) Co., Ltd
    • Chee Kit Yuen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Earphones With Air Release Valves
    • Publication number 20160212524
    • Publication date Jul 21, 2016
    • ACOUSTIC INNOVATION (HUIZHOU) CO., LTD.
    • Chee Kit YUEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE