Katumi Yanagibashi

Person

  • Yokohama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Impregnated cathode

    • Patent number 4,928,034
    • Issue date May 22, 1990
    • Kabushiki Kaisha Toshiba
    • Sakae Kimura
    • H01 - BASIC ELECTRIC ELEMENTS