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YAMAKAWA SANGYO CO., LTD

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  • OSAKA 550, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Alumina-based filling sand for sliding nozzle
    • Patent number 9,938,194
    • Issue date Apr 10, 2018
    • YAMAKAWA SANGYO CO., LTD.
    • Manabu Kawakami
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Sliding nozzle filler
    • Patent number 6,051,514
    • Issue date Apr 18, 2000
    • Yamakawa Sangyo Co., Ltd.
    • Jun Ayama
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    ALUMINA-BASED FILLING SAND FOR SLIDING NOZZLE
    • Publication number 20170066689
    • Publication date Mar 9, 2017
    • YAMAKAWA SANGYO CO., LTD.
    • Manabu KAWAKAMI
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES