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Hideki Maruyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical seal
    • Patent number 11,300,210
    • Issue date Apr 12, 2022
    • Eagle Industry Co., Ltd.
    • Hiroyuki Ishihara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical seal
    • Patent number 10,024,436
    • Issue date Jul 17, 2018
    • Eagle Industry Co., Ltd.
    • Hideki Maruyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal device
    • Patent number 7,093,836
    • Issue date Aug 22, 2006
    • Eagle Industry Co., Ltd.
    • Hajime Tsuboi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical seal device
    • Patent number 6,962,340
    • Issue date Nov 8, 2005
    • Eagle Industry Co., Ltd.
    • Hideki Maruyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL SEAL
    • Publication number 20200200276
    • Publication date Jun 25, 2020
    • EAGLE INDUSTRY CO., LTD.
    • Hiroyuki ISHIHARA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SHAFT-SEALING DEVICE AND SUBMERSIBLE PUMP
    • Publication number 20180156219
    • Publication date Jun 7, 2018
    • EAGLE INDUSTRY CO., LTD.
    • Hideki MARUYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MECHANICAL SEAL
    • Publication number 20170234433
    • Publication date Aug 17, 2017
    • EAGLE INDUSTRY CO., LTD.
    • Hideki MARUYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Seal device
    • Publication number 20040256808
    • Publication date Dec 23, 2004
    • EAGLE INDUSTRY CO., LTD.
    • Hajime Tsuboi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Mechanical seal device
    • Publication number 20040036228
    • Publication date Feb 26, 2004
    • EAGLE INDUSTRY CO., LTD.
    • Hideki Maruyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...