TREA

Hidenori Shibusawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Earphone
    • Patent number D718284
    • Issue date Nov 25, 2014
    • Foster Electric Company Limited
    • Hidenori Shibusawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D718285
    • Issue date Nov 25, 2014
    • Foster Electric Company Limited
    • Hidenori Shibusawa
    • D14 - Recording, communication, or information retrieval equipment