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Koichi Imai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Discharge tube
    • Patent number 8,796,925
    • Issue date Aug 5, 2014
    • Okaya Electric Industries, Co., Ltd.
    • Koichi Imai
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    DISCHARGE TUBE
    • Publication number 20130063025
    • Publication date Mar 14, 2013
    • OKAYA ELECTRIC INDUSTRIES CO., LTD.
    • Koichi Imai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DISCHARGE TUBE AND SURGE ABSORBER
    • Publication number 20080180017
    • Publication date Jul 31, 2008
    • KOICHI IMAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Discharge tube and surge absorbing device
    • Publication number 20060209485
    • Publication date Sep 21, 2006
    • OKAYA ELECTRIC INDUSTRIES CO., LTD.
    • Koichi Imai
    • H01 - BASIC ELECTRIC ELEMENTS