Kiyoshi Matsuyama

Person

  • Hyogo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum discharge device

    • Patent number 4,896,008
    • Issue date Jan 23, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinichi Aoki
    • H01 - BASIC ELECTRIC ELEMENTS