TREA

Daisuke Yoneyama

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery charger for earphones
    • Patent number D1024942
    • Issue date Apr 30, 2024
    • Audio-Technica Corporation
    • Daisuke Yoneyama
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Earphone
    • Patent number D997133
    • Issue date Aug 29, 2023
    • Audio-Technica Corporation
    • Daisuke Yoneyama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D948483
    • Issue date Apr 12, 2022
    • Audio-Technica Corporation
    • Daisuke Yoneyama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Battery charger for earphone
    • Patent number D933601
    • Issue date Oct 19, 2021
    • Audio-Technica Corporation
    • Daisuke Yoneyama
    • D13 - Equipment for production, distribution, or transformation of energy