TREA

Takahumi Hashimoto

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  • Higashiminemachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum circuit interrupter
    • Patent number RE32440
    • Issue date Jun 16, 1987
    • Kabushiki Kaisha Meidensha
    • Yoshiyuki Innami
    • 200 - Electricity: circuit makers and breakers
  • Information Patent Grant

    Vacuum circuit interrupter
    • Patent number 4,306,128
    • Issue date Dec 15, 1981
    • Kabushiki Kaisha Meidensha
    • Yoshiyuki Innami
    • H01 - BASIC ELECTRIC ELEMENTS