TREA

Masahide Umino

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  • Uda-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Railway car wheel
    • Patent number 7,566,372
    • Issue date Jul 28, 2009
    • Sumitomo Metal Industries, Ltd.
    • Takanori Kato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method of producing tool steels
    • Patent number 6,478,898
    • Issue date Nov 12, 2002
    • Sumitomo Metal Industries, Ltd.
    • Tomoaki Sera
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Casting components made from a tool steel
    • Patent number 6,479,013
    • Issue date Nov 12, 2002
    • Sumitomo Metal Industries, Ltd.
    • Tomoaki Sera
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process for producing alloy steel powder
    • Patent number 4,448,746
    • Issue date May 15, 1984
    • Sumitomo Metal Industries, Ltd.
    • Toshihiko Kubo
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Oil-atomized low-alloy steel powder
    • Patent number 4,437,891
    • Issue date Mar 20, 1984
    • Sumitomo Metal Industries, Ltd.
    • Masahide Umino
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    Railway car wheel
    • Publication number 20050268995
    • Publication date Dec 8, 2005
    • Takanori Kato
    • B60 - VEHICLES IN GENERAL