TREA

Keigo FUJITA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Immersion nozzle for continuous casting
    • Patent number 11,897,027
    • Issue date Feb 13, 2024
    • Shinagawa Refractories Co., Ltd.
    • Hiroyasu Niitsuma
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Submerged entry nozzle
    • Patent number 11,806,781
    • Issue date Nov 7, 2023
    • Shinagawa Refractories Co., Ltd.
    • Hiroyasu Niitsuma
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    IMMERSION NOZZLE FOR CONTINUOUS CASTING
    • Publication number 20230347406
    • Publication date Nov 2, 2023
    • SHINAGAWA REFRACTORIES CO., LTD.
    • Hiroyasu NIITSUMA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    SUBMERGED ENTRY NOZZLE
    • Publication number 20230058990
    • Publication date Feb 23, 2023
    • SHINAGAWA REFRACTORIES CO., LTD.
    • Hiroyasu NIITSUMA
    • B22 - CASTING POWDER METALLURGY