TREA

Kosumo MIYAUCHI

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic-electric transducer
    • Patent number 11,203,039
    • Issue date Dec 21, 2021
    • Audio-Technica Corporation
    • Koichi Irii
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Headset
    • Patent number 10,893,354
    • Issue date Jan 12, 2021
    • Audio-Technica Corporation
    • Koichi Irii
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    ACOUSTIC-ELECTRIC TRANSDUCER
    • Publication number 20200398310
    • Publication date Dec 24, 2020
    • Audio-Technica Corporation
    • Koichi IRII
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HEADSET
    • Publication number 20200280791
    • Publication date Sep 3, 2020
    • Audio-Technica Corporation
    • Koichi IRII
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE