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Masaaki Iwakura

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coil device
    • Patent number 12,002,616
    • Issue date Jun 4, 2024
    • TDK Corporation
    • Toshiyuki Horikawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Transformer and leakage transformer
    • Patent number 10,361,025
    • Issue date Jul 23, 2019
    • TDK Corporation
    • Masaaki Iwakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Coil device and method for manufacturing the same
    • Patent number 10,096,421
    • Issue date Oct 9, 2018
    • TDK Corporation
    • Masaaki Iwakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Coil device and method for manufacturing the same
    • Patent number 9,793,044
    • Issue date Oct 17, 2017
    • TDK Corporation
    • Masaaki Iwakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Transformer
    • Patent number 9,424,982
    • Issue date Aug 23, 2016
    • TDK Corporation
    • Masaaki Iwakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Coil device
    • Patent number 9,153,371
    • Issue date Oct 6, 2015
    • TDK Corporation
    • Masaaki Iwakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Coil component
    • Patent number D721651
    • Issue date Jan 27, 2015
    • TDK Corporation
    • Masaaki Iwakura
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Core for electronic component
    • Patent number D682208
    • Issue date May 14, 2013
    • TDK Corporation
    • Katsumi Kobayashi
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Core for electronic component
    • Patent number D669854
    • Issue date Oct 30, 2012
    • TDK Corporation
    • Katsumi Kobayashi
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Ferrite core and transformer using the same
    • Patent number 8,120,458
    • Issue date Feb 21, 2012
    • TDK Corporation
    • Masaaki Iwakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bobbin for transformer
    • Patent number D644608
    • Issue date Sep 6, 2011
    • TDK Corporation
    • Katsumi Kobayashi
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Toroidal core cover
    • Patent number D629749
    • Issue date Dec 28, 2010
    • TDK Corporation
    • Katsumi Kobayashi
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Ferrite core and transformer using the same
    • Patent number 7,701,320
    • Issue date Apr 20, 2010
    • TDK Corporation
    • Masaaki Iwakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Planar coil component, method for winding end connection thereof an...
    • Patent number 7,449,986
    • Issue date Nov 11, 2008
    • TDK Corporation
    • Kenichi Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bobbin for a transformer
    • Patent number D560164
    • Issue date Jan 22, 2008
    • TDK Corporation
    • Masaaki Iwakura
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Ferrite magnetic core
    • Patent number D539220
    • Issue date Mar 27, 2007
    • TDK Corporation
    • Masaaki Iwakura
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

  • Information Patent Application

    COIL DEVICE
    • Publication number 20210249180
    • Publication date Aug 12, 2021
    • TDK Corporation
    • Toshiyuki HORIKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COIL DEVICE AND METHOD FOR MANUFACTURING THE SAME
    • Publication number 20170352474
    • Publication date Dec 7, 2017
    • TDK Corporation
    • Masaaki IWAKURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    TRANSFORMER AND LEAKAGE TRANSFORMER
    • Publication number 20160329148
    • Publication date Nov 10, 2016
    • TDK Corporation
    • Masaaki IWAKURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COIL DEVICE AND METHOD FOR MANUFACTURING THE SAME
    • Publication number 20160293317
    • Publication date Oct 6, 2016
    • TDK Corporation
    • Masaaki IWAKURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    TRANSFORMER
    • Publication number 20150061808
    • Publication date Mar 5, 2015
    • TDK Corporation
    • Masaaki IWAKURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COIL DEVICE
    • Publication number 20130328654
    • Publication date Dec 12, 2013
    • Masaaki IWAKURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    FERRITE CORE AND TRANSFORMER USING THE SAME
    • Publication number 20100141368
    • Publication date Jun 10, 2010
    • TDK Corporation
    • Masaaki Iwakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PLANAR COIL COMPONENT, METHOD FOR WINDING END CONNECTION THEREOF AN...
    • Publication number 20080100407
    • Publication date May 1, 2008
    • TDK Corporation
    • Kenichi Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Ferrite core and transformer using the same
    • Publication number 20060244561
    • Publication date Nov 2, 2006
    • TDK Corporation
    • Masaaki Iwakura
    • H01 - BASIC ELECTRIC ELEMENTS