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Ryoki SHIKISHIMA

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  • Kyoto, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Directional coupler
    • Patent number 12,100,881
    • Issue date Sep 24, 2024
    • Murata Manufacturing Co., Ltd.
    • Ryoki Shikishima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power amplifier circuit and semiconductor device
    • Patent number 11,601,102
    • Issue date Mar 7, 2023
    • Murata Manufacturing Co., Ltd.
    • Hiroaki Tokuya
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER AMPLIFIER CIRCUIT AND SEMICONDUCTOR DEVICE
    • Publication number 20210242842
    • Publication date Aug 5, 2021
    • MURATA MANUFACTURING CO., LTD.
    • Hiroaki TOKUYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIRECTIONAL COUPLER
    • Publication number 20210218120
    • Publication date Jul 15, 2021
    • MURATA MANUFACTURING CO., LTD.
    • Ryoki SHIKISHIMA
    • H01 - BASIC ELECTRIC ELEMENTS