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Koji Izumi

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  • Minato-ku, Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Alkaline storage battery
    • Patent number 9,728,764
    • Issue date Aug 8, 2017
    • FDK CORPORATION
    • Tatsuya Nagai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Valve apparatus
    • Patent number 6,286,550
    • Issue date Sep 11, 2001
    • Yamatake Corporation
    • Seiji Yamaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Yoke of valve
    • Patent number D403052
    • Issue date Dec 22, 1998
    • Yamatake - Honeywell Co., Ltd.
    • Hideo Ohtani
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Double-seated control valve
    • Patent number D403049
    • Issue date Dec 22, 1998
    • Yamatake - Honeywell Co., Ltd.
    • Hideo Ohtani
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

  • Information Patent Application

    POSITIVE ELECTRODE LEAD AND ALKALINE SECONDARY BATTERY
    • Publication number 20150303445
    • Publication date Oct 22, 2015
    • FDK CORPORATION
    • Erika Ido
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Battery
    • Publication number 20120052344
    • Publication date Mar 1, 2012
    • FDK TWICELL CO., LTD.
    • Tatsuya Nagai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    NICKEL-METAL HYDRIDE RECHARGEABLE CELL
    • Publication number 20090239144
    • Publication date Sep 24, 2009
    • SANYO ELECTRIC CO., LTD.
    • Koji Izumi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    NICKEL-METAL HYDRIDE RECHARGEABLE CELL
    • Publication number 20090155690
    • Publication date Jun 18, 2009
    • SANYO ELECTRIC CO., LTD.
    • Koji Izumi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...