Yoshiyasu Harada

Person

  • Akishima, JA

Patents Grantslast 30 patents

  • Information Patent Grant

    Electron lens

    • Patent number 3,952,198
    • Issue date Apr 20, 1976
    • Nihon Denshi Kabushiki Kaisha
    • Yoshiyasu Harada
    • H01 - BASIC ELECTRIC ELEMENTS