Keiji TAMURA

Person

  • Hitachinaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electron gun

    • Patent number 8,669,535
    • Issue date Mar 11, 2014
    • Hitachi High-Technologies Corporation
    • Mikio Ichihashi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents