TREA

Masaharu Hirakawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    ESD protection device
    • Patent number 10,271,413
    • Issue date Apr 23, 2019
    • TDK Corporation
    • Shingo Suzuki
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Multilayer ceramic substrate
    • Patent number 7,733,663
    • Issue date Jun 8, 2010
    • TDK Corporation
    • Kenji Endou
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Multilayer ceramics substrate
    • Patent number 7,662,477
    • Issue date Feb 16, 2010
    • TDK Corporation
    • Yasuharu Miyauchi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Production method of a multilayer ceramic substrate
    • Patent number 7,578,058
    • Issue date Aug 25, 2009
    • TDK Corporation
    • Kenji Endou
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Noise absorber and case for noise absorber
    • Patent number 6,515,230
    • Issue date Feb 4, 2003
    • TDK Corporation
    • Masaharu Hirakawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTILAYER PIEZOELECTRIC DEVICE
    • Publication number 20210104658
    • Publication date Apr 8, 2021
    • TDK Corporation
    • Makoto ISHIZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER PIEZOELECTRIC ELEMENT
    • Publication number 20200313067
    • Publication date Oct 1, 2020
    • TDK Corporation
    • Makoto ISHIZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER PIEZOELECTRIC ELEMENT
    • Publication number 20200313069
    • Publication date Oct 1, 2020
    • TDK Corporation
    • Makoto ISHIZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER PIEZOELECTRIC ELEMENT
    • Publication number 20200243745
    • Publication date Jul 30, 2020
    • TDK Corporation
    • Makoto ISHIZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ESD PROTECTION DEVICE
    • Publication number 20160105947
    • Publication date Apr 14, 2016
    • TDK Corporation
    • Shingo SUZUKI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DIELECTRIC CERAMIC AND ELECTRONIC COMPONENT USING THE SAME
    • Publication number 20130190163
    • Publication date Jul 25, 2013
    • TDK Corporation
    • Toshio SAKURAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Multilayer ceramic substrate
    • Publication number 20080283281
    • Publication date Nov 20, 2008
    • TDK Corporation
    • Kenji Endou
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Multilayer ceramics substrate
    • Publication number 20080152928
    • Publication date Jun 26, 2008
    • TDK Corporation
    • Yasuharu Miyauchi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Multilayer ceramic substrate and production method thereof
    • Publication number 20060234023
    • Publication date Oct 19, 2006
    • TDK Corporation
    • Kenji Endou
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR