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Atsutoshi SUGIYAMA

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  • Tajimi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ceramic heater
    • Patent number 11,252,790
    • Issue date Feb 15, 2022
    • NGK Spark Plug Co., Ltd.
    • Naoya Nakanishi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID HEATING CERAMIC HEATER
    • Publication number 20200296802
    • Publication date Sep 17, 2020
    • NGK Spark Plug Co., Ltd.
    • Naoya NAKANISHI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CERAMIC HEATER
    • Publication number 20190342951
    • Publication date Nov 7, 2019
    • NGK Spark Plug Co., Ltd.
    • Naoya NAKANISHI
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES