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Mitsumasa Imataki

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  • Amagasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lighting arrester with leakage current detection
    • Patent number 4,507,701
    • Issue date Mar 26, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Yukio Fujiwara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Lightning arrester device for power transmission line
    • Patent number 4,308,566
    • Issue date Dec 29, 1981
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Imataki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Lightning arrester device
    • Patent number 4,227,229
    • Issue date Oct 7, 1980
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Imataki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Abnormal voltage protection device
    • Patent number 4,204,239
    • Issue date May 20, 1980
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Imataki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Protective device
    • Patent number 4,203,143
    • Issue date May 13, 1980
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Imataki
    • H01 - BASIC ELECTRIC ELEMENTS