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Ryuji Kajihara

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elastic wave filter
    • Patent number 9,450,564
    • Issue date Sep 20, 2016
    • Nihon Dempa Kogyo Co., Ltd.
    • Ryuji Kajihara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Elastic wave device
    • Patent number 7,710,221
    • Issue date May 4, 2010
    • Nihon Dempa Kogyo Co., Ltd.
    • Ryuji Kajihara
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    SURFACE ACOUSTIC WAVE FILTER AND DESIGN METHOD THEREOF
    • Publication number 20200287522
    • Publication date Sep 10, 2020
    • NIHON DEMPA KOGYO CO., LTD.
    • RYUJI KAJIHARA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ELASTIC WAVE FILTER
    • Publication number 20150070108
    • Publication date Mar 12, 2015
    • NIHON DEMPA KOGYO CO., LTD.
    • Ryuji Kajihara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Elastic Wave Device
    • Publication number 20090002099
    • Publication date Jan 1, 2009
    • NIHON DEMPA KOGYO CO., LTD.
    • Ryuji Kajihara
    • H03 - BASIC ELECTRONIC CIRCUITRY