TREA

Shoko MATSUDA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Voice transmitter
    • Patent number 9,592,410
    • Issue date Mar 14, 2017
    • Koken Ltd.
    • Ryo Kanno
    • A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    VOICE TRANSMITTER
    • Publication number 20160001109
    • Publication date Jan 7, 2016
    • KOKEN LTD.
    • Ryo KANNO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    PROTECTIVE GARMENT
    • Publication number 20150216250
    • Publication date Aug 6, 2015
    • KOKEN LTD.
    • Hironobu Takeuchi
    • A41 - WEARING APPAREL