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Katsuo Yamada

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Winding component
    • Patent number 8,203,413
    • Issue date Jun 19, 2012
    • FDK Corporation
    • Kiyoshi Hironaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Inverter transformer
    • Patent number 7,345,567
    • Issue date Mar 18, 2008
    • FDK Corporation
    • Akihiro Fujii
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Noncontact coupler
    • Patent number 7,218,196
    • Issue date May 15, 2007
    • FDK Corporation
    • Fumiaki Nakao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High-frequency power inductance element
    • Patent number 6,861,938
    • Issue date Mar 1, 2005
    • FDK Corporation
    • Katsuo Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Inductor
    • Patent number 6,573,820
    • Issue date Jun 3, 2003
    • FDK Corporation
    • Katsuo Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multi-channel uniform output type transformer
    • Patent number 6,556,117
    • Issue date Apr 29, 2003
    • FDK Corporation
    • Fumiaki Nakao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Apparatus for preventing over-discharge
    • Patent number 5,929,603
    • Issue date Jul 27, 1999
    • FDK Corporation
    • Fumiaki Nakao
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply
    • Patent number 5,661,394
    • Issue date Aug 26, 1997
    • FDK Corporation
    • Fumiaki Nakao
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    INSULATING TRANSFORMER
    • Publication number 20130176097
    • Publication date Jul 11, 2013
    • Katsuo Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Winding Component
    • Publication number 20090302988
    • Publication date Dec 10, 2009
    • FDK CORPORATION
    • Kiyoshi Hironaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Inverter transformer
    • Publication number 20070247267
    • Publication date Oct 25, 2007
    • FDK ENERGY CO. LTD.
    • Akihiro Fujii
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    High-frequency power inductance element
    • Publication number 20040125628
    • Publication date Jul 1, 2004
    • Katsuo Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Noncontact coupler
    • Publication number 20040119576
    • Publication date Jun 24, 2004
    • Fumiaki Nakao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Inductor
    • Publication number 20010043135
    • Publication date Nov 22, 2001
    • Katsuo Yamada
    • H01 - BASIC ELECTRIC ELEMENTS