TREA

Shigematsu Works Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Positive pressure exhale valve for a breathing apparatus
    • Patent number 12,036,428
    • Issue date Jul 16, 2024
    • Shigematsu Works Co., Ltd.
    • Wataru Saitou
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Breathing apparatus provided with a breath-synchronized motor fan
    • Patent number 11,433,205
    • Issue date Sep 6, 2022
    • Shigematsu Works Co., Ltd.
    • Wataru Saitou
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Detachable connector
    • Patent number 10,576,313
    • Issue date Mar 3, 2020
    • Shigematsu Works Co., Ltd.
    • Nobuo Shigematsu
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Method for integrating multi-layer sheet fabric pieces for use in a...
    • Patent number 9,107,463
    • Issue date Aug 18, 2015
    • Shigematsu Works Co., Ltd.
    • Takashi Ozawa
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Breathing apparatus
    • Patent number 8,905,018
    • Issue date Dec 9, 2014
    • Shigematsu Works Co., Ltd.
    • Kenichi Ono
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Breathing apparatus
    • Patent number 8,671,943
    • Issue date Mar 18, 2014
    • Shigematsu Works Co., Ltd.
    • Nobuo Shigematsu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Whole face covering mask
    • Patent number D602154
    • Issue date Oct 13, 2009
    • Shigematsu Works Co., Ltd.
    • Kenichi Ono
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Powered respirator
    • Patent number 7,464,705
    • Issue date Dec 16, 2008
    • Shigematsu Works Co., Ltd
    • Naoto Tanizawa
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Mask
    • Patent number 7,086,400
    • Issue date Aug 8, 2006
    • Shigematsu Works Co., Ltd.
    • Nobuo Shigematsu
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Exhalation valve means of a respiration mask
    • Patent number 4,991,577
    • Issue date Feb 12, 1991
    • Shigematsu Works Co., Ltd.
    • Nobuo Shigematsu
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Pressure responsive diaphragm valve
    • Patent number 4,892,094
    • Issue date Jan 9, 1990
    • Shigematsu Works Co., Ltd.
    • Nobuo Shigematsu
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Air-feed type dust protective helmet
    • Patent number 4,752,974
    • Issue date Jun 28, 1988
    • Shigematsu Works Co., Ltd.
    • Yoshiaki Haino
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Face shield assembly
    • Patent number 4,748,695
    • Issue date Jun 7, 1988
    • Shigematsu Works Co., Ltd.
    • Nobuo Shigematsu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mask
    • Patent number 4,501,272
    • Issue date Feb 26, 1985
    • Shigematsu Works Co., Ltd.
    • Kaisaburo Shigematsu
    • A41 - WEARING APPAREL

Patents Applicationslast 30 patents

  • Information Patent Application

    Facepiece and Breathing Apparatus
    • Publication number 20210213309
    • Publication date Jul 15, 2021
    • SHIGEMATSU WORKS CO., LTD.
    • Nobuo SHIGEMATSU
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Back Carrier and Breathing Apparatus
    • Publication number 20210205641
    • Publication date Jul 8, 2021
    • AIR WATER SAFETY SERVICE INC.
    • Shinji YAMAMOTO
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    POSITIVE PRESSURE EXHALE VALVE FOR A BREATHING APPARATUS
    • Publication number 20200038696
    • Publication date Feb 6, 2020
    • SHIGEMATSU WORKS CO., LTD.
    • Wataru Saitou
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    BREATHING APPARATUS PROVIDED WITH A BREATH-SYNCHRONIZED MOTOR FAN
    • Publication number 20190160246
    • Publication date May 30, 2019
    • SHIGEMATSU WORKS CO., LTD.
    • Wataru Saitou
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    DETACHABLE CONNECTOR
    • Publication number 20180250536
    • Publication date Sep 6, 2018
    • SHIGEMATSU WORKS CO., LTD.
    • Nobuo Shigematsu
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    BREATHING APPARATUS
    • Publication number 20160271429
    • Publication date Sep 22, 2016
    • SHIGEMATSU WORKS CO., LTD.
    • Yuki HANAOKA
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    BREATHING APPARATUS
    • Publication number 20160236016
    • Publication date Aug 18, 2016
    • SHIGEMATSU WORKS CO., LTD.
    • Kenichi Ono
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    CHEMICAL PROTECTIVE SUIT
    • Publication number 20130318694
    • Publication date Dec 5, 2013
    • SHIGEMATSU WORKS CO., LTD.
    • Nobuo Shigematsu
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    CHEMICAL PROTECTIVE SUIT
    • Publication number 20130239307
    • Publication date Sep 19, 2013
    • SHIGEMATSU WORKS CO., LTD.
    • Takashi Ozawa
    • A41 - WEARING APPAREL
  • Information Patent Application

    METHOD FOR INTEGRATING MULTI-LAYER SHEET FABRIC PIECES FOR USE IN A...
    • Publication number 20130153131
    • Publication date Jun 20, 2013
    • SHIGEMATSU WORKS CO., LTD.
    • Takashi Ozawa
    • A41 - WEARING APPAREL
  • Information Patent Application

    MASK FILTER AND METHOD OF MANUFACTURING THE SAME, AND PARTICLE-TRAP...
    • Publication number 20130152948
    • Publication date Jun 20, 2013
    • Teijin Fibers Limited
    • Kenji Inagaki
    • A41 - WEARING APPAREL
  • Information Patent Application

    Breathing Apparatus
    • Publication number 20120222674
    • Publication date Sep 6, 2012
    • SHIGEMATSU WORKS CO., LTD.
    • Kenichi Ono
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    BREATHING APPARATUS
    • Publication number 20100313892
    • Publication date Dec 16, 2010
    • SHIGEMATSU WORKS CO., LTD.
    • Nobuo Shigematsu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Mask
    • Publication number 20030205231
    • Publication date Nov 6, 2003
    • SHIGEMATSU WORKS, CO., LTD.
    • Nobuo Shigematsu
    • A41 - WEARING APPAREL