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Speaker unit with microphone
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Patent number 11,172,277
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Issue date Nov 9, 2021
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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In-ear earphone
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Patent number 9,807,494
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Issue date Oct 31, 2017
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Circumaural earphone
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Patent number 9,774,944
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Issue date Sep 26, 2017
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Vibrating element
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Patent number 9,621,995
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Issue date Apr 11, 2017
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Vibrating element for speaker
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Patent number D738861
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Issue date Sep 15, 2015
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Cotron Corporation
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Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number 9,055,369
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Issue date Jun 9, 2015
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Headphone
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Patent number 9,042,587
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Issue date May 26, 2015
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Earphone
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Patent number D719550
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Issue date Dec 16, 2014
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Cotron Corporation
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Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number D719551
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Issue date Dec 16, 2014
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Cotron Corporation
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Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number 8,908,899
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Issue date Dec 9, 2014
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Earphone
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Patent number 8,897,478
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Issue date Nov 25, 2014
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Earphone
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Patent number D718286
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Issue date Nov 25, 2014
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Cotron Corporation
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Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number D717772
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Issue date Nov 18, 2014
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Cotron Corporation
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Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number D716272
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Issue date Oct 28, 2014
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Cotron Corporation
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Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number 8,873,791
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Issue date Oct 28, 2014
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Vibrating element
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Patent number 8,861,777
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Issue date Oct 14, 2014
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Cotron Corporation
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Bill Yang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Earphone
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Patent number D713386
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Issue date Sep 16, 2014
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Cotron Corporation
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Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number D711858
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Issue date Aug 26, 2014
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Cotron Corporation
-
Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Headphone
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Patent number D711348
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Issue date Aug 19, 2014
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Cotron Corporation
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Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number D711356
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Issue date Aug 19, 2014
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Cotron Corporation
-
Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number D710335
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Issue date Aug 5, 2014
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Cotron Corporation
-
Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number D710334
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Issue date Aug 5, 2014
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Cotron Corporation
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Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Earphone
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Patent number D707660
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Issue date Jun 24, 2014
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Cotron Corporation
-
Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Headphone
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Patent number D707200
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Issue date Jun 17, 2014
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Cotron Corporation
-
Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Headphone
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Patent number D706744
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Issue date Jun 10, 2014
-
Cotron Corporation
-
Bill Yang
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D14 - Recording, communication, or information retrieval equipment
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Headphone
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Patent number D706242
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Issue date Jun 3, 2014
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Cotron Corporation
-
Bill Yang
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D14 - Recording, communication, or information retrieval equipment