Yotaro Ono

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Tuyere of blast furnace

    • Patent number 4,887,800
    • Issue date Dec 19, 1989
    • Nippon Kokan Kabushiki Kaisha
    • Hirohisa Hotta
    • C21 - METALLURGY OF IRON