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Masahiko Nakazawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve device, method for replacing valve body unit of valve device,...
    • Patent number 11,506,294
    • Issue date Nov 22, 2022
    • Fujikin Incorporated
    • Hidenobu Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve device
    • Patent number 11,359,730
    • Issue date Jun 14, 2022
    • Fujikin Incorporated
    • Nobuo Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve device
    • Patent number 11,242,934
    • Issue date Feb 8, 2022
    • Fujikin Incorporated
    • Kenta Kondo
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Actuator, valve device, and fluid control apparatus
    • Patent number 11,231,121
    • Issue date Jan 25, 2022
    • Fujikin Incorporated
    • Takashi Hirose
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Actuator, valve device, and fluid control apparatus
    • Patent number 11,067,195
    • Issue date Jul 20, 2021
    • Fujikin Incorporated
    • Masahiko Nakazawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid control apparatus
    • Patent number 5,967,489
    • Issue date Oct 19, 1999
    • Aera Japan Ltd.
    • Masahiko Nakazawa
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Liquid feed pump particularly used for liquid medicine and liquid f...
    • Patent number 5,429,484
    • Issue date Jul 4, 1995
    • Eisai Co., Ltd.
    • Washiro Honda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control valve
    • Patent number 5,427,357
    • Issue date Jun 27, 1995
    • Fujikin Incorporated
    • Mutsunori Koyomogi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow control device
    • Patent number 5,398,725
    • Issue date Mar 21, 1995
    • Fujikin Incorporated
    • Masahiko Nakazawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Control valve
    • Patent number 5,379,982
    • Issue date Jan 10, 1995
    • Fujikin Incorporated
    • Mutsunori Koyomogi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve seal
    • Patent number 5,178,366
    • Issue date Jan 12, 1993
    • Masako Kiyohara
    • Tetsuya Kojima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve
    • Patent number 5,161,571
    • Issue date Nov 10, 1992
    • Masako Kiyohara
    • Masahiko Nakazawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve
    • Patent number 5,107,885
    • Issue date Apr 28, 1992
    • Kiyohara; Masako
    • Masahiko Nakazawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow control device
    • Patent number 4,804,164
    • Issue date Feb 14, 1989
    • Fujikin International, Inc.
    • Masahiko Nakazawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE DEVICE, METHOD FOR REPLACING VALVE BODY UNIT OF VALVE DEVICE,...
    • Publication number 20210239222
    • Publication date Aug 5, 2021
    • Fujikin Incorporated
    • Hidenobu SATO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE DEVICE
    • Publication number 20210207722
    • Publication date Jul 8, 2021
    • Fujikin Incorporated
    • Nobuo NAKAMURA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ACTUATOR, VALVE DEVICE, AND FLUID CONTROL APPARATUS
    • Publication number 20210199210
    • Publication date Jul 1, 2021
    • Fujikin Incorporated
    • Takashi HIROSE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE DEVICE
    • Publication number 20200393051
    • Publication date Dec 17, 2020
    • Fujikin Incorporated
    • Kenta KONDO
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    ACTUATOR, VALVE DEVICE, AND FLUID CONTROL APPARATUS
    • Publication number 20200248833
    • Publication date Aug 6, 2020
    • Fujikin Incorporated
    • Masahiko NAKAZAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...