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Hisato YONAI

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  • Fukushima-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing device
    • Patent number 11,781,653
    • Issue date Oct 10, 2023
    • NOK CORPORATION
    • Takumi Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Surface processing method of disk member of sealing apparatus, and...
    • Patent number 11,698,105
    • Issue date Jul 11, 2023
    • NOK Corporation
    • Hisato Yonai
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Sealing apparatus
    • Patent number 11,287,042
    • Issue date Mar 29, 2022
    • NOK Corporation
    • Yuya Sakano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing apparatus
    • Patent number 11,215,284
    • Issue date Jan 4, 2022
    • NOK Corporation
    • Sosuke Ito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SURFACE PROCESSING METHOD OF DISK MEMBER OF SEALING APPARATUS, AND...
    • Publication number 20210215200
    • Publication date Jul 15, 2021
    • NOK Corporation
    • Hisato YONAI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20210215250
    • Publication date Jul 15, 2021
    • NOK Corporation
    • Takumi YAMADA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20210010599
    • Publication date Jan 14, 2021
    • NOK Corporation
    • Hisato YONAI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20200166138
    • Publication date May 28, 2020
    • NOK Corporation
    • Hisato YONAI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20200124178
    • Publication date Apr 23, 2020
    • NOK Corporation
    • Yuya SAKANO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20200096112
    • Publication date Mar 26, 2020
    • NOK Corporation
    • Sosuke ITO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20200011423
    • Publication date Jan 9, 2020
    • NOK Corporation
    • Sosuke ITO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20190277403
    • Publication date Sep 12, 2019
    • NOK Corporation
    • Yuya SAKANO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...