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Shinji Sakai

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Discharge tube having discharge active layer(s)
    • Patent number 10,439,366
    • Issue date Oct 8, 2019
    • Mitsubishi Materials Corporation
    • Shinji Sakai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Surge absorber
    • Patent number D657317
    • Issue date Apr 10, 2012
    • Mitsubishi Materials Corporation
    • Yoshiyuki Tanaka
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Antenna
    • Patent number D475700
    • Issue date Jun 10, 2003
    • Mitsubishi Materials Corporation
    • Shinji Sakai
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Antenna
    • Patent number D475366
    • Issue date Jun 3, 2003
    • Mitsubishi Materials Corporation
    • Shinji Sakai
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Method for antenna assembly and an antenna assembly with a conducti...
    • Patent number 6,531,983
    • Issue date Mar 11, 2003
    • Mitsubishi Materials Corporation
    • Eiichiro Hirose
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Antenna device and assembly of the antenna device
    • Patent number 6,486,852
    • Issue date Nov 26, 2002
    • Mitsubishi Materials Corporation
    • Eiichiro Hirose
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Dielectric composition for high frequencies
    • Patent number 5,723,396
    • Issue date Mar 3, 1998
    • Mitsubishi Materials Corporation
    • Eiichirou Hirose
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    SURGE PROTECTIVE DEVICE
    • Publication number 20200328578
    • Publication date Oct 15, 2020
    • MITSUBISHI MATERIALS CORPORATION
    • Yoshitaka MAYUZUMI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SURGE PROTECTIVE DEVICE
    • Publication number 20190089134
    • Publication date Mar 21, 2019
    • MITSUBISHI MATERIALS CORPORATION
    • Yoshitaka MAYUZUMI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SURGE PROTECTIVE DEVICE
    • Publication number 20180358781
    • Publication date Dec 13, 2018
    • MITSUBISHI MATERIALS CORPORATION
    • Yoshitaka MAYUZUMI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DISCHARGE TUBE
    • Publication number 20180301876
    • Publication date Oct 18, 2018
    • MITSUBISHI MATERIALS CORPORATION
    • Shinji SAKAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SURGE ABSORBER AND METHOD FOR PRODUCING THE SAME
    • Publication number 20130194711
    • Publication date Aug 1, 2013
    • Yoshiyuki Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS