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Tetsu RI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter, duplexer and module
    • Patent number 9,595,940
    • Issue date Mar 14, 2017
    • Taiyo Yuden Co., Ltd.
    • Tetsu Ri
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER, DUPLEXER AND MODULE
    • Publication number 20150381142
    • Publication date Dec 31, 2015
    • Taiyo Yuden Co., Ltd.
    • Tetsu RI
    • H03 - BASIC ELECTRONIC CIRCUITRY