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Yuichi Kouyama

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas sensor
    • Patent number 7,712,349
    • Issue date May 11, 2010
    • NGK Spark Plug Co., Ltd.
    • Hayato Katsuda
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Gas sensor
    • Publication number 20070107493
    • Publication date May 17, 2007
    • NGK SPARK PLUG CO., LTD.
    • Hayato Katsuda
    • G01 - MEASURING TESTING