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Akira Ueda

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Patents Grantslast 30 patents

  • Information Patent Grant

    Operation device for liquid leakage prediction system
    • Patent number D993794
    • Issue date Aug 1, 2023
    • VALQUA, LTD.
    • Akira Ueda
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Operation device for liquid leakage prediction system
    • Patent number D968249
    • Issue date Nov 1, 2022
    • VALQUA, LTD.
    • Akira Ueda
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Arrangement structure for seal member
    • Patent number 11,221,072
    • Issue date Jan 11, 2022
    • VALQUA, LTD.
    • Katsuhisa Umeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal structure
    • Patent number 11,174,943
    • Issue date Nov 16, 2021
    • VALQUA, LTD.
    • Takahiro Yamamoto
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Split seal ring
    • Patent number 10,907,736
    • Issue date Feb 2, 2021
    • VALQUA, LTD.
    • Mitsuru Minami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal member for a pressure vessel
    • Patent number D865920
    • Issue date Nov 5, 2019
    • VALQUA, LTD.
    • Kenichi Takahashi
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Seal member for a pressure vessel
    • Patent number D836186
    • Issue date Dec 18, 2018
    • Valqua, Ltd.
    • Kenichi Takahashi
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sealing material for thin plate member
    • Patent number 9,077,010
    • Issue date Jul 7, 2015
    • Nippon Valqua Industries, Ltd.
    • Akira Ueda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID PRESSURE APPARATUS MONITORING SYSTEM
    • Publication number 20240280119
    • Publication date Aug 22, 2024
    • VALQUA, LTD.
    • Akira UEDA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    RUBBER COMPOSITION FOR SEALING MATERIAL AND SEALING MATERIAL USING...
    • Publication number 20220186010
    • Publication date Jun 16, 2022
    • VALQUA, LTD.
    • Akira Ueda
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    SEAL STRUCTURE
    • Publication number 20210102627
    • Publication date Apr 8, 2021
    • VALQUA, LTD.
    • Takahiro YAMAMOTO
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ARRANGEMENT STRUCTURE FOR SEAL MEMBER
    • Publication number 20200072354
    • Publication date Mar 5, 2020
    • VALQUA, LTD.
    • Katsuhisa UMEDA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL STRUCTURE
    • Publication number 20200063870
    • Publication date Feb 27, 2020
    • VALQUA, LTD.
    • Takahiro YAMAMOTO
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SPLIT SEAL RING
    • Publication number 20190203841
    • Publication date Jul 4, 2019
    • NIPPON VALQUA INDUSTRIES, LTD.
    • Mitsuru MINAMI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Sealing Material for Thin Plate Member
    • Publication number 20130307227
    • Publication date Nov 21, 2013
    • NIPPON VALQUA INDUSTRIES, LTD.
    • Akira Ueda
    • H01 - BASIC ELECTRIC ELEMENTS