TREA

Takuya Ookawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photoelectric smoke sensor
    • Patent number 9,297,753
    • Issue date Mar 29, 2016
    • Fenwal Controls of Japan, Ltd.
    • Tadayuki Shibuya
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    PHOTOELECTRIC SMOKE SENSOR
    • Publication number 20150146204
    • Publication date May 28, 2015
    • Fenwal Controls of Japan, Ltd.
    • Tadayuki Shibuya
    • G01 - MEASURING TESTING