TREA

Katsuyoshi Tsunoda

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  • Gunma, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electron gun and a method for using the same
    • Patent number 6,903,499
    • Issue date Jun 7, 2005
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Yoshinori Terui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Liquid metal ion source and method for producing the same
    • Patent number 6,531,811
    • Issue date Mar 11, 2003
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Naoya Kudo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gallium ion source
    • Patent number 6,509,570
    • Issue date Jan 21, 2003
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Shinpei Hirokawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thermal field emission cathode
    • Patent number 6,133,679
    • Issue date Oct 17, 2000
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Yoshinori Terui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of making a needle electrode
    • Patent number 5,993,636
    • Issue date Nov 30, 1999
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Yoshinori Terui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thermal field emmission electron gun
    • Patent number 5,536,944
    • Issue date Jul 16, 1996
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Katsuyoshi Tsunoda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thermal field emission cathode
    • Patent number 5,449,968
    • Issue date Sep 12, 1995
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Yosinori Terui
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents