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Masao Iguchi

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  • Hachioji-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photoelectric smoke sensor
    • Patent number 10,151,693
    • Issue date Dec 11, 2018
    • Fenwal Controls of Japan, Ltd.
    • Masao Iguchi
    • G08 - SIGNALLING
  • Information Patent Grant

    Photoelectric smoke detector
    • Patent number 10,054,542
    • Issue date Aug 21, 2018
    • Fenwal Controls of Japan, Ltd.
    • Masao Iguchi
    • G08 - SIGNALLING
  • Information Patent Grant

    Suction-type smoke sensing system
    • Patent number 9,574,996
    • Issue date Feb 21, 2017
    • Fenwal Controls of Japan, Ltd.
    • Shintaro Masumoto
    • G08 - SIGNALLING
  • 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
  • Information Patent Grant

    Photoelectric smoke detector
    • Patent number 7,948,627
    • Issue date May 24, 2011
    • Fenwal Controls of Japan, Ltd.
    • Masao Iguchi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Photoelectric smoke detector
    • Patent number 7,697,140
    • Issue date Apr 13, 2010
    • Fenwal Controls of Japan, Ltd.
    • Masao Iguchi
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

  • Information Patent Application

    PHOTOELECTRIC SMOKE SENSOR
    • Publication number 20180180540
    • Publication date Jun 28, 2018
    • Fenwal Controls of Japan, Ltd.
    • Masao Iguchi
    • G08 - SIGNALLING
  • Information Patent Application

    Photoelectric Smoke Detector
    • Publication number 20160305874
    • Publication date Oct 20, 2016
    • Fenwal Controls of Japan, Ltd.
    • Masao Iguchi
    • G01 - MEASURING TESTING
  • Information Patent Application

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

    SUCTION-TYPE SMOKE SENSING SYSTEM
    • Publication number 20130208281
    • Publication date Aug 15, 2013
    • Fenwal Controls of Japan, Ltd.
    • Shintaro Masumoto
    • G01 - MEASURING TESTING
  • Information Patent Application

    Photoelectric Smoke Detector
    • Publication number 20100176957
    • Publication date Jul 15, 2010
    • Fenwal Controls of Japan, Ltd.
    • Masao Iguchi
    • G08 - SIGNALLING
  • Information Patent Application

    Photoelectric Smoke Detector
    • Publication number 20090021729
    • Publication date Jan 22, 2009
    • Fenwal Controls of Japan, Ltd.
    • Masao Iguchi
    • G08 - SIGNALLING