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Keisuke Washizu

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  • Iwanuma-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Smoke detector cover for fire alarm
    • Patent number D1034264
    • Issue date Jul 9, 2024
    • Hochiki Corporation
    • Keisuke Washizu
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Smoke detector for fire alarm
    • Patent number D1034263
    • Issue date Jul 9, 2024
    • Hochiki Corporation
    • Keisuke Washizu
    • D10 - Measuring, testing, or signalling instruments
  • 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

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

Patents Applicationslast 30 patents

  • Information Patent Application

    FIRE DETECTION APPARATUS
    • Publication number 20230417665
    • Publication date Dec 28, 2023
    • Hochiki Corporation
    • Keisuke WASHIZU
    • G01 - MEASURING TESTING
  • Information Patent Application

    FIRE DETECTION APPARATUS
    • Publication number 20230401947
    • Publication date Dec 14, 2023
    • Hochiki Corporation
    • Keisuke WASHIZU
    • G08 - SIGNALLING
  • Information Patent Application

    FIRE DETECTION APPARATUS
    • Publication number 20230393034
    • Publication date Dec 7, 2023
    • Hochiki Corporation
    • Keisuke WASHIZU
    • G01 - MEASURING TESTING
  • Information Patent Application

    FIRE DETECTION APPARATUS
    • Publication number 20230393035
    • Publication date Dec 7, 2023
    • HOCHIK I Corporation
    • Keisuke WASHIZU
    • G01 - MEASURING TESTING
  • 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