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Kei YOKOKAWA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Antenna device
    • Patent number 12,199,360
    • Issue date Jan 14, 2025
    • Mitsubishi Electric Corporation
    • Shunichi Ikeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Antenna manufacturing method and antenna device
    • Patent number 11,621,482
    • Issue date Apr 4, 2023
    • Mitsubishi Electric Corporation
    • Kei Yokokawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Array antenna device
    • Patent number 11,183,771
    • Issue date Nov 23, 2021
    • Mitsubishi Electric Corporation
    • Kei Yokokawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Array antenna device
    • Patent number 10,992,039
    • Issue date Apr 27, 2021
    • Mitsubishi Electric Corporation
    • Kei Yokokawa
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ANTENNA DEVICE
    • Publication number 20230223694
    • Publication date Jul 13, 2023
    • Mitsubishi Electric Corporation
    • Shunichi IKEDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ANTENNA MANUFACTURING METHOD AND ANTENNA DEVICE
    • Publication number 20220209402
    • Publication date Jun 30, 2022
    • Mitsubishi Electric Corporation
    • Kei YOKOKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ARRAY ANTENNA DEVICE
    • Publication number 20200395676
    • Publication date Dec 17, 2020
    • Mitsubishi Electric Corporation
    • Kei YOKOKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ARRAY ANTENNA DEVICE
    • Publication number 20190229418
    • Publication date Jul 25, 2019
    • Mitsubishi Electric Corporation
    • Kei YOKOKAWA
    • H01 - BASIC ELECTRIC ELEMENTS