TREA

Akifumi YAMAGUCHI

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microphone
    • Patent number D1033406
    • Issue date Jul 2, 2024
    • Audio-Technicaa Corporation
    • Yusuke Sano
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Microphone
    • Patent number D981375
    • Issue date Mar 21, 2023
    • Audio-Technica Corporation
    • Shioto Okita
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

  • Information Patent Application

    MICROPHONE ARRAY DEVICE
    • Publication number 20220141582
    • Publication date May 5, 2022
    • Audio-Technica Corporation
    • Shioto OKITA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE