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Daisuke Iwanaka

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  • Tokyo, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    FREQUENCY VARIABLE FILTER AND COUPLING METHOD
    • Publication number 20210376435
    • Publication date Dec 2, 2021
    • NEC Corporation
    • Daisuke IWANAKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    TUNABLE BAND-PASS FILTER AND CONTROL METHOD THEREFOR
    • Publication number 20210028525
    • Publication date Jan 28, 2021
    • NEC Corporation
    • Daisuke Iwanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    TUNABLE BANDPASS FILTER
    • Publication number 20200303796
    • Publication date Sep 24, 2020
    • NEC Corporation
    • Daisuke Iwanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COAXIAL LINE, RESONATOR, AND FILTER
    • Publication number 20180316079
    • Publication date Nov 1, 2018
    • NEC Corporation
    • Tomoya KANEKO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ELECTRIC FIELD DIRECTION CONVERSION STRUCTURE AND PLANAR ANTENNA
    • Publication number 20170244175
    • Publication date Aug 24, 2017
    • NEC Corporation
    • Daisuke Iwanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ANTENNA
    • Publication number 20150349415
    • Publication date Dec 3, 2015
    • NEC Corporation
    • Daisuke Iwanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BAND-PASS FILTER
    • Publication number 20150236392
    • Publication date Aug 20, 2015
    • NEC Corporation
    • Daisuke Iwanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RADIOWAVE ABSORBER AND PARABOLIC ANTENNA
    • Publication number 20120306712
    • Publication date Dec 6, 2012
    • NEC Corporation
    • Daisuke Iwanaka
    • H01 - BASIC ELECTRIC ELEMENTS