TREA

Sadanori Taguchi

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  • Nishitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cathode for electron tube
    • Patent number 5,216,320
    • Issue date Jun 1, 1993
    • Hitachi, Ltd.
    • Sachio Koizumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Oxidation resistant impregnated cathode
    • Patent number 4,855,637
    • Issue date Aug 8, 1989
    • Hitachi, Ltd.
    • Isato Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Impregnated cathode
    • Patent number 4,783,613
    • Issue date Nov 8, 1988
    • Hitachi, Ltd.
    • Shigehiko Yamamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Impregnated cathode
    • Patent number 4,737,679
    • Issue date Apr 12, 1988
    • Hitachi, Ltd.
    • Shigehiko Yamamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Impregnated cathode
    • Patent number 4,626,470
    • Issue date Dec 2, 1986
    • Hitachi, Ltd.
    • Shigehiko Yamamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Impregnated cathode
    • Patent number 4,518,890
    • Issue date May 21, 1985
    • Hitachi, Ltd.
    • Sadanori Taguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Impregnated cathode
    • Patent number 4,400,648
    • Issue date Aug 23, 1983
    • Hitachi, Ltd.
    • Sadanori Taguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron tube cathode
    • Patent number 4,291,252
    • Issue date Sep 22, 1981
    • Hitachi, Ltd.
    • Toshiyuki Aida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron tube cathode and method for producing the same
    • Patent number 4,260,665
    • Issue date Apr 7, 1981
    • Hitachi, Ltd.
    • Toshiyuki Aida
    • H01 - BASIC ELECTRIC ELEMENTS