Osamu Kanazawa

Person

  • Nagano, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Graphite electrode having joints

    • Patent number 5,870,424
    • Issue date Feb 9, 1999
    • Showa Denko Kabushikikaisha
    • Masao Todoriki
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR