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Michio BUTSUGAN

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  • Hitachi-shi, Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Separation material
    • Patent number 10,898,877
    • Issue date Jan 26, 2021
    • SHOWA DENKO MATERIALS CO., LTD.
    • Masaru Watanabe
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Separation material
    • Patent number 10,875,008
    • Issue date Dec 29, 2020
    • SHOWA DENKO MATERIALS CO., LTD.
    • Masaru Watanabe
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Separation material
    • Patent number 10,646,851
    • Issue date May 12, 2020
    • Hitachi Chemical Company, Ltd.
    • Masaru Watanabe
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    SEPARATION MATERIAL, COLUMN PROVIDED WITH SAID SEPARATION MATERIAL,...
    • Publication number 20190176126
    • Publication date Jun 13, 2019
    • Hitachi Chemical Company, Ltd.
    • Masaru WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    SEPARATION MATERIAL
    • Publication number 20180264435
    • Publication date Sep 20, 2018
    • Hitachi Chemical Company, Ltd.
    • Masaru WATANABE
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    SEPARATION MATERIAL
    • Publication number 20170368533
    • Publication date Dec 28, 2017
    • Hitachi Chemical Company, Ltd.
    • Masaru WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    SEPARATION MATERIAL
    • Publication number 20170341058
    • Publication date Nov 30, 2017
    • Hitachi Chemical Company, Ltd.
    • Masaru WATANABE
    • G01 - MEASURING TESTING