TREA

Yutaka Kitano

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Zinc-oxide surge arrester
    • Patent number 4,262,318
    • Issue date Apr 14, 1981
    • Hitachi, Ltd.
    • Shingo Shirakawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas insulated switch-gear apparatus
    • Patent number 4,237,520
    • Issue date Dec 2, 1980
    • Hitachi, Ltd.
    • Kazuaki Oishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER