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Ryoma Kawaguchi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyolefin microporous membrane
    • Patent number 12,247,110
    • Issue date Mar 11, 2025
    • Asahi Kasei Battery Separator Corporation
    • Masaki Katayama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Polyolefin Film and Method for Manufacturing Polyolefin Film
    • Publication number 20240392083
    • Publication date Nov 28, 2024
    • Asahi Kasei Kabushiki Kaisha
    • Ryoma Kawaguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polyolefin Microporous Membrane
    • Publication number 20220411600
    • Publication date Dec 29, 2022
    • Asahi Kasei Kabushiki Kaisha
    • Masaki Katayama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...