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Makoto Ouryouji

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  • Kanagawa-Ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Headphones
    • Patent number 8,861,766
    • Issue date Oct 14, 2014
    • Victor Company of Japan, Ltd.
    • Makoto Ouryouji
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Headphones
    • Publication number 20090010474
    • Publication date Jan 8, 2009
    • Victor Company of Japan, Ltd.
    • Makoto Ouryouji
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE