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Yoshiro Matsumoto

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  • Nishinomiya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hearth roller with suppressed heat crown
    • Patent number 5,547,450
    • Issue date Aug 20, 1996
    • Sumitomo Metal Industries, Ltd.
    • Yoshiro Matsumoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Variable-crown roll
    • Patent number 4,860,416
    • Issue date Aug 29, 1989
    • Sumitomo Metal Industries
    • Takeshi Masui
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Heavy thick high-strength casting having improved weldability and i...
    • Patent number 4,344,801
    • Issue date Aug 17, 1982
    • Sumitomo Metal Industries, Ltd.
    • Tatsuro Kunitake
    • C21 - METALLURGY OF IRON