TREA

Tadashi HONGO

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas barrier film
    • Patent number 11,535,437
    • Issue date Dec 27, 2022
    • Toppan Printing Co., Ltd.
    • Ryoji Ishii
    • B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS BARRIER FILM
    • Publication number 20190023468
    • Publication date Jan 24, 2019
    • Toppan Printing Co., Ltd.
    • Ryoji ISHII
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...