TREA

Takao Katsuki

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electroacoustic transducer
    • Patent number 6,501,845
    • Issue date Dec 31, 2002
    • Star Micronics Co., Ltd.
    • Youichi Gotoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Electroacoustic transducer
    • Publication number 20020025058
    • Publication date Feb 28, 2002
    • Youichi Gotoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE