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Keiji OKADA

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  • Nagaokakyo-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ACOUSTIC WAVE FILTER AND COMPOSITE FILTER DEVICE
    • Publication number 20230283262
    • Publication date Sep 7, 2023
    • Murata Manufacturing Co., Ltd.
    • Keiji OKADA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ACOUSTIC WAVE DEVICE
    • Publication number 20230134299
    • Publication date May 4, 2023
    • Murata Manufacturing Co., Ltd.
    • Keiji OKADA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ACOUSTIC WAVE FILTER
    • Publication number 20220200570
    • Publication date Jun 23, 2022
    • Murata Manufacturing Co., Ltd.
    • Keiji OKADA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    MULTIPLEXER
    • Publication number 20210021256
    • Publication date Jan 21, 2021
    • Murata Manufacturing Co., Ltd.
    • Keiji OKADA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ACOUSTIC WAVE RESONATOR AND MULTIPLEXER
    • Publication number 20200412327
    • Publication date Dec 31, 2020
    • Murata Manufacturing Co., Ltd.
    • Noriyoshi OTA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    FILTER DEVICE
    • Publication number 20180097508
    • Publication date Apr 5, 2018
    • Murata Manufacturing Co., Ltd.
    • Hideki IWAMOTO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ELASTIC WAVE DEVICE
    • Publication number 20170222619
    • Publication date Aug 3, 2017
    • Murata Manufacturing Co., Ltd.
    • Hideki IWAMOTO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ELASTIC WAVE DEVICE AND FILTER DEVICE
    • Publication number 20160294361
    • Publication date Oct 6, 2016
    • Murata Manufacturing Co., Ltd.
    • Takashi YAMANE
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SURFACE ACOUSTIC WAVE DEVICE
    • Publication number 20140225684
    • Publication date Aug 14, 2014
    • Murata Manufacturing Co., Ltd.
    • Hajime KANDO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ELASTIC WAVE DEVICE AND MANUFACTURING METHOD FOR SAME
    • Publication number 20140152145
    • Publication date Jun 5, 2014
    • Murata Manufacturing Co., Ltd.
    • Hajime KANDO
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC