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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Check valve
    • Patent number 12,292,124
    • Issue date May 6, 2025
    • ISHIZAKI CO., LTD.
    • Nobuyuki Ishizaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve
    • Patent number 11,828,373
    • Issue date Nov 28, 2023
    • ISHIZAKI CO., LTD.
    • Nobuyuki Ishizaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve and reciprocating body for check valve
    • Patent number 10,907,743
    • Issue date Feb 2, 2021
    • ISHIZAKI CO., LTD.
    • Nobuyuki Ishizaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve and pumping system
    • Patent number 9,816,622
    • Issue date Nov 14, 2017
    • ISHIZAKI CORPORATION
    • Kazunori Chiba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CHECK VALVE
    • Publication number 20240229949
    • Publication date Jul 11, 2024
    • ISHIZAKI CO., LTD.
    • Nobuyuki Ishizaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHECK VALVE
    • Publication number 20240133474
    • Publication date Apr 25, 2024
    • ISHIZAKI CO., LTD.
    • Nobuyuki Ishizaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHECK VALVE
    • Publication number 20220316612
    • Publication date Oct 6, 2022
    • ISHIZAKI CO., LTD.
    • Nobuyuki Ishizaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHECK VALVE AND RECIPROCATING BODY FOR CHECK VALVE
    • Publication number 20210207727
    • Publication date Jul 8, 2021
    • ISHIZAKI CO., LTD.
    • Nobuyuki Ishizaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHECK VALVE AND PUMPING SYSTEM
    • Publication number 20150122353
    • Publication date May 7, 2015
    • ISHIZAKI CORPORATION
    • Kazunori Chiba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Trademarklast 30 trademarks

  • Information Trademark

    97931759 - SMOLENSKY
    • Serial number 97931759
    • Registration number 7716350
    • Filing date May 11, 2023
    • ISHIZAKI CO., LTD.
    • 6 - Common metals and their alloys