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Seiichi Nakagawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Multilayer coil component
    • Patent number 12,354,785
    • Issue date Jul 8, 2025
    • TDK Corporation
    • Yusuke Nagai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer coil component
    • Patent number 12,176,134
    • Issue date Dec 24, 2024
    • TDK Corporation
    • Masashi Shimoyasu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer inductor component
    • Patent number 12,125,627
    • Issue date Oct 22, 2024
    • TDK Corporation
    • Daiki Kato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer inductor component
    • Patent number 12,094,642
    • Issue date Sep 17, 2024
    • TDK Corporation
    • Masashi Shimoyasu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer coil component
    • Patent number 12,087,484
    • Issue date Sep 10, 2024
    • TDK Corporation
    • Shinichi Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer coil component
    • Patent number 12,040,111
    • Issue date Jul 16, 2024
    • TDK Corporation
    • Yusuke Nagai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer coil component
    • Patent number 11,817,252
    • Issue date Nov 14, 2023
    • TDK Corporation
    • Masashi Shimoyasu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer coil component
    • Patent number 11,710,593
    • Issue date Jul 25, 2023
    • TDK Corporation
    • Shinichi Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer coil component
    • Patent number 11,631,530
    • Issue date Apr 18, 2023
    • TDK Corporation
    • Shinichi Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer coil component
    • Patent number 11,270,833
    • Issue date Mar 8, 2022
    • TDK Corporation
    • Masashi Shimoyasu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer coil component
    • Patent number 11,239,020
    • Issue date Feb 1, 2022
    • TDK Corporation
    • Masashi Shimoyasu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electronic component
    • Patent number 10,848,119
    • Issue date Nov 24, 2020
    • TDK Corporation
    • Akihiko Oide
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Lamination type LC filter array
    • Patent number 10,784,834
    • Issue date Sep 22, 2020
    • TDK Corporation
    • Akihiko Oide
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer coil component
    • Patent number 10,643,781
    • Issue date May 5, 2020
    • TDK Corporation
    • Masashi Shimoyasu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of forming external electrode
    • Patent number 7,458,151
    • Issue date Dec 2, 2008
    • TDK Corporation
    • Ko Onodera
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Testing apparatus using scanning electron microscope
    • Patent number 6,953,939
    • Issue date Oct 11, 2005
    • Sony Corporation
    • Tetsuo Abe
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Defect-review SEM, reference sample for adjustment thereof, method...
    • Patent number 6,426,501
    • Issue date Jul 30, 2002
    • Jeol Ltd.
    • Seiichi Nakagawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Partially crystallizable low melting glass
    • Patent number 5,296,414
    • Issue date Mar 22, 1994
    • E. I. Du Pont de Nemours and Company
    • Seiichi Nakagawa
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Electron beam scanning device
    • Patent number 4,547,669
    • Issue date Oct 15, 1985
    • Jeol Ltd.
    • Seiichi Nakagawa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Electron beam apparatus
    • Patent number 4,431,915
    • Issue date Feb 14, 1984
    • Jeol Ltd.
    • Seiichi Nakagawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic objective lens for use in a scanning electron microscope
    • Patent number 4,419,581
    • Issue date Dec 6, 1983
    • Jeol Ltd.
    • Seiichi Nakagawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron beam aperture device
    • Patent number 4,283,632
    • Issue date Aug 11, 1981
    • Nihon Denshi Kabushiki Kaisha
    • Seiichi Nakagawa
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Magnetic electron lens
    • Patent number 4,219,732
    • Issue date Aug 26, 1980
    • Nihon Denshi Kabushiki Kaisha
    • Seiichi Nakagawa
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20250069795
    • Publication date Feb 27, 2025
    • TDK Corporation
    • Masashi SHIMOYASU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20240038436
    • Publication date Feb 1, 2024
    • TDK Corporation
    • Masashi SHIMOYASU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20230317342
    • Publication date Oct 5, 2023
    • TDK Corporation
    • Shinichi SATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COIL COMPONENT
    • Publication number 20230230738
    • Publication date Jul 20, 2023
    • TDK Corporation
    • Yusuke NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20230230742
    • Publication date Jul 20, 2023
    • TDK Corporation
    • Yusuke NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COIL COMPONENT
    • Publication number 20230223183
    • Publication date Jul 13, 2023
    • TDK Corporation
    • Yusuke NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRONIC COMPONENT
    • Publication number 20230125854
    • Publication date Apr 27, 2023
    • TDK Corporation
    • Yusuke NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COIL COMPONENT AND METHOD FOR MANUFACTURING COIL COMPONENT
    • Publication number 20230070168
    • Publication date Mar 9, 2023
    • TDK Corporation
    • Yusuke NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20220130594
    • Publication date Apr 28, 2022
    • TDK Corporation
    • Masashi SHIMOYASU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20220108835
    • Publication date Apr 7, 2022
    • TDK Corporation
    • Yusuke NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20220102039
    • Publication date Mar 31, 2022
    • TDK Corporation
    • Yusuke NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20220102038
    • Publication date Mar 31, 2022
    • TDK Corporation
    • Yusuke NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER INDUCTOR COMPONENT
    • Publication number 20210383960
    • Publication date Dec 9, 2021
    • TDK Corporation
    • Daiki KATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER INDUCTOR COMPONENT
    • Publication number 20210375527
    • Publication date Dec 2, 2021
    • TDK Corporation
    • Masashi SHIMOYASU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20200303110
    • Publication date Sep 24, 2020
    • TDK Corporation
    • Shinichi SATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20200303117
    • Publication date Sep 24, 2020
    • TDK Corporation
    • Shinichi SATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20200185144
    • Publication date Jun 11, 2020
    • TDK Corporation
    • Masashi SHIMOYASU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LAMINATION TYPE LC FILTER ARRAY
    • Publication number 20190280667
    • Publication date Sep 12, 2019
    • TDK Corporation
    • Akihiko OIDE
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ELECTRONIC COMPONENT
    • Publication number 20190123705
    • Publication date Apr 25, 2019
    • TDK Corporation
    • Akihiko OIDE
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER COIL COMPONENT
    • Publication number 20170345553
    • Publication date Nov 30, 2017
    • TDK Corporation
    • Masashi SHIMOYASU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method of forming external electrode
    • Publication number 20060112546
    • Publication date Jun 1, 2006
    • TDK Corporation
    • Ko Onodera
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Inspection device using scanning electron microscope
    • Publication number 20040144928
    • Publication date Jul 29, 2004
    • Tetsuo Abe
    • G01 - MEASURING TESTING