TREA

Seiji Kitakaze

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  • Mobara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetron with reduced dark current
    • Patent number 5,635,798
    • Issue date Jun 3, 1997
    • Hitachi, Ltd.
    • Toshio Ogura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetron with improved mode separation
    • Patent number 5,635,797
    • Issue date Jun 3, 1997
    • Hitachi, Ltd.
    • Seiji Kitakaze
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetron
    • Patent number 4,742,272
    • Issue date May 3, 1988
    • Hitachi, Ltd.
    • Jiro Kusano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetron cathode assembly with grooved insulating spacer
    • Patent number 4,684,845
    • Issue date Aug 4, 1987
    • Hitachi, Ltd.
    • Mamoru Tsuzurahara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetron
    • Patent number 4,419,606
    • Issue date Dec 6, 1983
    • Hitachi, Ltd.
    • Mamoru Tsuzurabara
    • H01 - BASIC ELECTRIC ELEMENTS