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Manabu Dohi

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fire detection device
    • Patent number 11,761,890
    • Issue date Sep 19, 2023
    • Hochiki Corporation
    • Tomohiko Shimadzu
    • G08 - SIGNALLING
  • Information Patent Grant

    Fire detection apparatus
    • Patent number 11,698,340
    • Issue date Jul 11, 2023
    • Hochiki Corporation
    • Manabu Dohi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sensor
    • Patent number 11,454,582
    • Issue date Sep 27, 2022
    • Hochiki Corporation
    • Keisuke Washizu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Detector
    • Patent number 11,385,211
    • Issue date Jul 12, 2022
    • Hochiki Corporation
    • Manabu Dohi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Smoke detector
    • Patent number D908519
    • Issue date Jan 26, 2021
    • Hochiki Corporation
    • Tomohiko Shimazu
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Fire notification system and test method using test jig therefor
    • Patent number 10,360,789
    • Issue date Jul 23, 2019
    • Hochiki Corporation
    • David Brown
    • G08 - SIGNALLING
  • Information Patent Grant

    Smoke sensor
    • Patent number 8,638,436
    • Issue date Jan 28, 2014
    • Hochiki Corporation
    • Manabu Dohi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Heat detector and method of manufacturing heat detecting element
    • Patent number 7,896,544
    • Issue date Mar 1, 2011
    • Hochiki Corporation
    • Tetsuya Nagashima
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Heat detector
    • Patent number 7,802,918
    • Issue date Sep 28, 2010
    • Hochiki Corporation
    • Manabu Dohi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Fire alarm system, fire sensor, fire receiver, and repeater
    • Patent number 6,960,987
    • Issue date Nov 1, 2005
    • Hochiki Corporation
    • Manabu Dohi
    • G08 - SIGNALLING
  • Information Patent Grant

    Light scattering type smoke sensor
    • Patent number 6,914,535
    • Issue date Jul 5, 2005
    • Hochiki Corporation
    • Hidenari Matsukuma
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

  • Information Patent Application

    FIRE DETECTION DEVICE
    • Publication number 20230384218
    • Publication date Nov 30, 2023
    • Hochiki Corporation
    • Tomohiko SHIMADZU
    • G08 - SIGNALLING
  • Information Patent Application

    DISASTER PREVENTION APPARATUS
    • Publication number 20230290237
    • Publication date Sep 14, 2023
    • Hochiki Corporation
    • Keisuke Washizu
    • G08 - SIGNALLING
  • Information Patent Application

    DISASTER PREVENTION APPARATUS
    • Publication number 20230237885
    • Publication date Jul 27, 2023
    • Hochiki Corporation
    • Keisuke Washizu
    • G02 - OPTICS
  • Information Patent Application

    DISASTER PREVENTION APPARATUS
    • Publication number 20230221185
    • Publication date Jul 13, 2023
    • Hochiki Corporation
    • Keisuke Washizu
    • G01 - MEASURING TESTING
  • Information Patent Application

    FIRE DETECTION DEVICE
    • Publication number 20210255101
    • Publication date Aug 19, 2021
    • Hochiki Corporation
    • Tomohiko SHIMADZU
    • G01 - MEASURING TESTING
  • Information Patent Application

    FIRE DETECTION APPARATUS
    • Publication number 20210088442
    • Publication date Mar 25, 2021
    • Hochiki Corporation
    • Manabu Dohi
    • G01 - MEASURING TESTING
  • Information Patent Application

    Detector
    • Publication number 20210018420
    • Publication date Jan 21, 2021
    • Hochiki Corporation
    • Keisuke Washizu
    • G01 - MEASURING TESTING
  • Information Patent Application

    DETECTOR
    • Publication number 20200319154
    • Publication date Oct 8, 2020
    • Hochiki Corporation
    • Manabu Dohi
    • G08 - SIGNALLING
  • Information Patent Application

    FIRE NOTIFICATION SYSTEM AND TESTING METHOD THEREFOR
    • Publication number 20180075733
    • Publication date Mar 15, 2018
    • Hochiki Corporation
    • David BROWN
    • G08 - SIGNALLING
  • Information Patent Application

    SMOKE SENSOR
    • Publication number 20120170035
    • Publication date Jul 5, 2012
    • Hochiki Corporation
    • Manabu Dohi
    • G08 - SIGNALLING
  • Information Patent Application

    Heat Detector
    • Publication number 20090028215
    • Publication date Jan 29, 2009
    • Manabu Dohi
    • G08 - SIGNALLING
  • Information Patent Application

    Heat Detector and Method of Manufacturing Heat Detecting Element
    • Publication number 20090010303
    • Publication date Jan 8, 2009
    • Tetsuya Nagashima
    • G01 - MEASURING TESTING
  • Information Patent Application

    Light scattering type smoke sensor
    • Publication number 20030132849
    • Publication date Jul 17, 2003
    • Hoichiki Corporation
    • Hidenari Matsukuma
    • G08 - SIGNALLING
  • Information Patent Application

    Fire alarm system, fire sensor, fire receiver, and repeater
    • Publication number 20030058093
    • Publication date Mar 27, 2003
    • Hoichiki Corporation
    • Manabu Dohi
    • G08 - SIGNALLING