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Kazunari Okada

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  • Nagano-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vibrating alert device
    • Patent number 6,774,769
    • Issue date Aug 10, 2004
    • Sanyo Seimitsu Corporation
    • Kazunari Okada
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Vibrating alert device
    • Publication number 20020175808
    • Publication date Nov 28, 2002
    • Sanyo Seimitsu Corporation
    • Kazunari Okada
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL