TREA

Hiroshi Ohtsuka

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  • Kariya-city, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Immersion nozzle
    • Patent number 6,637,629
    • Issue date Oct 28, 2003
    • Toshiba Ceramics Co., Ltd.
    • Hiroshi Ohtsuka
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    Submerged nozzle for continuous thin-slab casting
    • Publication number 20030201587
    • Publication date Oct 30, 2003
    • TOSHIBA CERAMICS CO., LTD.
    • Hiroshi Ohtsuka
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    Immersion nozzle
    • Publication number 20020190443
    • Publication date Dec 19, 2002
    • TOSHIBA CERAMICS CO., LTD.
    • Hiroshi Ohtsuka
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    Immersion nozzle
    • Publication number 20010040322
    • Publication date Nov 15, 2001
    • TOSHIBA CERAMICS CO., LTD.
    • Hiroshi Ohtsuka
    • B22 - CASTING POWDER METALLURGY