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Senju Sprinkler Co., Ltd.

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  • Tokyo, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Wrench socket for sprinkler head
    • Patent number D1029599
    • Issue date Jun 4, 2024
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • D08 - Tools and hardware
  • Information Patent Grant

    Protective cap for sprinkler head
    • Patent number D1000585
    • Issue date Oct 3, 2023
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Deflector for sprinkler head
    • Patent number D991399
    • Issue date Jul 4, 2023
    • Senju Sprinkler Co., Ltd.
    • Masaharu Chiba
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sprinkler head accessory
    • Patent number 11,642,557
    • Issue date May 9, 2023
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Sprinkler head
    • Patent number D972079
    • Issue date Dec 6, 2022
    • Senju Sprinkler Co., Ltd.
    • Masaharu Chiba
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sprinkler head
    • Patent number 11,511,144
    • Issue date Nov 29, 2022
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Sprinkler head accessory
    • Patent number D964517
    • Issue date Sep 20, 2022
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sprinkler head accessory
    • Patent number D963110
    • Issue date Sep 6, 2022
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sprinkler head accessory
    • Patent number D961727
    • Issue date Aug 23, 2022
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sprinkler head
    • Patent number 11,413,485
    • Issue date Aug 16, 2022
    • Senju Sprinkler Co., Ltd.
    • Masakatsu Kikuchi
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Sprinkler head
    • Patent number 11,383,114
    • Issue date Jul 12, 2022
    • Senju Sprinkler Co., Ltd.
    • Koki Sato
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Sprinkler head
    • Patent number 11,324,980
    • Issue date May 10, 2022
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Sprinkler head
    • Patent number 11,311,759
    • Issue date Apr 26, 2022
    • Senju Sprinkler Co., Ltd.
    • Masakatsu Kikuchi
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Protector for heat-sensitive element of sprinkler head
    • Patent number 11,160,999
    • Issue date Nov 2, 2021
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Connection structure for fire extinguishing system piping
    • Patent number 11,054,068
    • Issue date Jul 6, 2021
    • Senju Sprinkler Co., Ltd.
    • Hisayoshi Ohkoshi
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Spring for sprinkler head
    • Patent number D895416
    • Issue date Sep 8, 2020
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • D08 - Tools and hardware
  • Information Patent Grant

    Sprinkler head
    • Patent number D894339
    • Issue date Aug 25, 2020
    • SENJU SPRINKLER CO., LTD.
    • Hisayoshi Ohkoshi
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Protector for sprinkler head
    • Patent number D892269
    • Issue date Aug 4, 2020
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Spanner wrench
    • Patent number D887800
    • Issue date Jun 23, 2020
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • D08 - Tools and hardware
  • Information Patent Grant

    Wrench socket for sprinkler head
    • Patent number D887527
    • Issue date Jun 16, 2020
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Deflector for sprinkler head
    • Patent number D886945
    • Issue date Jun 9, 2020
    • Senju Sprinkler Co., Ltd.
    • Hisayoshi Ohkoshi
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Joint for fire extinguishing equipment
    • Patent number D871681
    • Issue date Dec 31, 2019
    • SENJU SPRINKLER CO., LTD.
    • Yutaka Tateishi
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Pipe joint
    • Patent number D821550
    • Issue date Jun 26, 2018
    • SENJU SPRINKLER CO., LTD.
    • Hisayoshi Ohkoshi
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Wrench for sprinkler head
    • Patent number D799924
    • Issue date Oct 17, 2017
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • D08 - Tools and hardware
  • Information Patent Grant

    Sprinkler head
    • Patent number 9,630,039
    • Issue date Apr 25, 2017
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Sprinkler head body
    • Patent number D781399
    • Issue date Mar 14, 2017
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Link for sprinkler head
    • Patent number D780889
    • Issue date Mar 7, 2017
    • Senju Sprinkler Co., Ltd.
    • Kuratoshi Sasaki
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Protecting cap and sprinkler head
    • Patent number 9,463,343
    • Issue date Oct 11, 2016
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Sprinkler head
    • Patent number 9,339,675
    • Issue date May 17, 2016
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Protective cap of sprinkler head and sprinkler head
    • Patent number 9,320,929
    • Issue date Apr 26, 2016
    • Senju Sprinkler Co., Ltd.
    • Yasuaki Koiwa
    • A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    ACCESSORY FOR SIDEWALL SPRINKLER HEAD
    • Publication number 20240408634
    • Publication date Dec 12, 2024
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    FIRE EXTINGUISHING SYSTEM
    • Publication number 20240245943
    • Publication date Jul 25, 2024
    • SENJU SPRINKLER CO., LTD.
    • Ryoichi SUZUKI
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    SPRINKLER HEAD
    • Publication number 20240198154
    • Publication date Jun 20, 2024
    • SENJU SPRINKLER CO., LTD.
    • Masaharu Chiba
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Sprinkler Head
    • Publication number 20230038975
    • Publication date Feb 9, 2023
    • SENJU SPRINKLER CO., LTD.
    • Masaharu Chiba
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Sprinkler Head Accessory
    • Publication number 20210322811
    • Publication date Oct 21, 2021
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Sprinkler Head
    • Publication number 20210260423
    • Publication date Aug 26, 2021
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Sprinkler Head
    • Publication number 20210197002
    • Publication date Jul 1, 2021
    • SENJU SPRINKLER CO., LTD.
    • Masakatsu Kikuchi
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Sprinkler Head
    • Publication number 20210094051
    • Publication date Apr 1, 2021
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Sprinkler Head
    • Publication number 20210016120
    • Publication date Jan 21, 2021
    • SENJU SPRINKLER CO., LTD.
    • Masakatsu Kikuchi
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Sprinkler Head
    • Publication number 20200406080
    • Publication date Dec 31, 2020
    • SENJU SPRINKLER CO., LTD.
    • Hisayoshi Ohkoshi
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Sprinkler Head
    • Publication number 20200360750
    • Publication date Nov 19, 2020
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Sprinkler Head
    • Publication number 20200282246
    • Publication date Sep 10, 2020
    • SENJU SPRINKLER CO., LTD.
    • Koki Sato
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    PROTECTOR FOR HEAT-SENSITIVE ELEMENT OF SPRINKLER HEAD
    • Publication number 20200078626
    • Publication date Mar 12, 2020
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Fire Extinguishing Equipment
    • Publication number 20190351270
    • Publication date Nov 21, 2019
    • SENJU SPRINKLER CO., LTD.
    • Yukihiro Kon
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    CONNECTION STRUCTURE FOR FIRE EXTINGUISHING SYSTEM PIPING
    • Publication number 20190264842
    • Publication date Aug 29, 2019
    • SENJU SPRINKLER CO., LTD.
    • Hisayoshi OHKOSHI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Sprinkler Head
    • Publication number 20180304111
    • Publication date Oct 25, 2018
    • SENJU SPRINKLER CO., LTD.
    • Yukinori Karihara
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Sprinkler Head Cover
    • Publication number 20170007869
    • Publication date Jan 12, 2017
    • SENJU SPRINKLER CO., LTD.
    • Hisayoshi OHKOSHI
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Protective Cap of Sprinkler Head and Sprinkler Head
    • Publication number 20150083442
    • Publication date Mar 26, 2015
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Sprinkler Head Accessory Mounting Tool
    • Publication number 20150013131
    • Publication date Jan 15, 2015
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Protecting Cap and Sprinkler Head
    • Publication number 20130306334
    • Publication date Nov 21, 2013
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Sprinkler Head
    • Publication number 20130020406
    • Publication date Jan 24, 2013
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Sprinkler Head Cover And A Sprinkler Head
    • Publication number 20070215720
    • Publication date Sep 20, 2007
    • SENJU SPRINKLER CO., LTD.
    • Yasuaki Koiwa
    • A62 - LIFE-SAVING FIRE-FIGHTING

Trademarklast 30 trademarks

  • Information Trademark

    85305936 - SENJU SPRINKLER
    • Serial number 85305936
    • Registration number 4270559
    • Filing date Apr 27, 2011
    • SENJU SPRINKLER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    78707810 - ECO SPRINKLER
    • Serial number 78707810
    • Registration number 4235663
    • Filing date Sep 7, 2005
    • Senju Sprinkler Co., Ltd.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    74382179 - SENJU
    • Serial number 74382179
    • Registration number 1845407
    • Filing date Apr 26, 1993
    • SENJU SPRINKLER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments