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Bluetooth headset
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Patent number 11,206,474
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Issue date Dec 21, 2021
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INNOVATION SOUND TECHNOLOGY CO., LTD.
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Shunming Yuen
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Moving-coil speaker
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Patent number 10,244,328
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Issue date Mar 26, 2019
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INNOVATION SOUND TECHNOLOGY CO., LTD.
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Shun Ming Yuen
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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Earphone
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Patent number 9,319,771
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Issue date Apr 19, 2016
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INNOVATION SOUND TECHNOLOGY CO., LTD.
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Shun Ming Yuen
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Headphone
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Patent number 9,253,558
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Issue date Feb 2, 2016
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INNOVATION SOUND TECHNOLOGY CO., LTD.
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Shunming Yuen
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Bluetooth earphone
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Patent number 7,548,617
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Issue date Jun 16, 2009
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Innovation Sound Technology Co., Ltd
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Shun Ming Yuen
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H04 - ELECTRIC COMMUNICATION TECHNIQUE