Eiichi Sakamoto

Person

  • Fukuyama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Steel making by converter

    • Patent number 4,308,057
    • Issue date Dec 29, 1981
    • Nippon Kokan Kabushiki Kaisha
    • Shigeyuki Ono
    • C21 - METALLURGY OF IRON