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Sou Fujioka

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  • Neyagawa-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching amplifier
    • Patent number 7,224,217
    • Issue date May 29, 2007
    • Onkyo Corporation
    • Kazuhiro Hida
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Switching amplifier
    • Publication number 20050212592
    • Publication date Sep 29, 2005
    • Kazuhiro Hida
    • H03 - BASIC ELECTRONIC CIRCUITRY