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Akio Oya

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable attenuator
    • Patent number 11,283,145
    • Issue date Mar 22, 2022
    • Sumitomo Electric Device Innovations, Inc.
    • Akio Oya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable attenuator
    • Patent number 10,886,587
    • Issue date Jan 5, 2021
    • Sumitomo Electric Device Innovations, Inc.
    • Akio Oya
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR AMPLIFIER CIRCUIT
    • Publication number 20240339967
    • Publication date Oct 10, 2024
    • SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    • Akio OYA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    VARIABLE ATTENUATOR
    • Publication number 20210083355
    • Publication date Mar 18, 2021
    • SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    • Akio OYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VARIABLE ATTENUATOR
    • Publication number 20190386367
    • Publication date Dec 19, 2019
    • SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    • Akio OYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VARIABLE ATTENUATOR
    • Publication number 20180241375
    • Publication date Aug 23, 2018
    • SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    • Akio Oya
    • H01 - BASIC ELECTRIC ELEMENTS