Eiji Sawada

Person

  • Handa, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for melting waste

    • Patent number 4,816,228
    • Issue date Mar 28, 1989
    • NGK Insulators, Ltd.
    • Shuichi Yoshida
    • C03 - GLASS MINERAL OR SLAG WOOL