Keigo Shirafuji

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Flow rate control valve

    • Patent number 12,146,574
    • Issue date Nov 19, 2024
    • Eagle Industry Co., Ltd.
    • Masahiro Hayama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Capacity control valve

    • Patent number 12,140,243
    • Issue date Nov 12, 2024
    • Eagle Industry Co., Ltd.
    • Masahiro Hayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Capacity control valve

    • Patent number 12,129,840
    • Issue date Oct 29, 2024
    • Eagle Industry Co., Ltd.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 12,110,882
    • Issue date Oct 8, 2024
    • Eagle Industry Co., Ltd.
    • Daichi Kurihara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 12,072,035
    • Issue date Aug 27, 2024
    • Eagle Industry Co., Ltd.
    • Masahiro Hayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve

    • Patent number 12,060,870
    • Issue date Aug 13, 2024
    • Eagle Industry Co., Ltd.
    • Toshinori Kanzaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 12,031,531
    • Issue date Jul 9, 2024
    • Eagle Industry Co., Ltd.
    • Kohei Fukudome
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 12,025,237
    • Issue date Jul 2, 2024
    • Eagle Industry Co., Ltd.
    • Daichi Kurihara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Capacity control valve

    • Patent number 12,018,663
    • Issue date Jun 25, 2024
    • Eagle Industry Co., Ltd.
    • Daichi Kurihara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 12,012,948
    • Issue date Jun 18, 2024
    • Eagle Industry Co., Ltd.
    • Masahiro Hayama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,994,120
    • Issue date May 28, 2024
    • Eagle Industry Co., Ltd.
    • Masahiro Hayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,988,296
    • Issue date May 21, 2024
    • Eagle Industry Co., Ltd.
    • Masahiro Hayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,927,275
    • Issue date Mar 12, 2024
    • Eagle Industry Co., Ltd.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,873,805
    • Issue date Jan 16, 2024
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,873,804
    • Issue date Jan 16, 2024
    • EAGLE INDUSTRY CO., LTD.
    • Daichi Kurihara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,867,312
    • Issue date Jan 9, 2024
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,841,090
    • Issue date Dec 12, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,821,540
    • Issue date Nov 21, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,802,552
    • Issue date Oct 31, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Kohei Fukudome
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,754,194
    • Issue date Sep 12, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,635,152
    • Issue date Apr 25, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,598,437
    • Issue date Mar 7, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Takahiro Ejima
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,555,489
    • Issue date Jan 17, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve and method for controlling capacity control...

    • Patent number 11,542,929
    • Issue date Jan 3, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electromagnetic valve

    • Patent number 11,536,389
    • Issue date Dec 27, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Kohei Fukudome
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,536,257
    • Issue date Dec 27, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve and method for controlling same

    • Patent number 11,519,399
    • Issue date Dec 6, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Daichi Kurihara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve and control method for capacity control valve

    • Patent number 11,512,786
    • Issue date Nov 29, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve and method for controlling same

    • Patent number 11,486,376
    • Issue date Nov 1, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity control valve

    • Patent number 11,480,166
    • Issue date Oct 25, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro Hayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE

    • Publication number 20240011574
    • Publication date Jan 11, 2024
    • EAGLE INDUSTRY CO., LTD.
    • Takahiro EJIMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE

    • Publication number 20230400104
    • Publication date Dec 14, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Daichi KURIHARA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20230358331
    • Publication date Nov 9, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE

    • Publication number 20230313789
    • Publication date Oct 5, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Toshinori KANZAKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE

    • Publication number 20230296178
    • Publication date Sep 21, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Toshinori KANZAKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20230296187
    • Publication date Sep 21, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE

    • Publication number 20230288110
    • Publication date Sep 14, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Takahiro EJIMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    EXPANSION VALVE

    • Publication number 20230280075
    • Publication date Sep 7, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Kohei FUKUDOME
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    VALVE

    • Publication number 20230279952
    • Publication date Sep 7, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Toshinori KANZAKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE

    • Publication number 20230272868
    • Publication date Aug 31, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Kohei FUKUDOME
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE

    • Publication number 20230272859
    • Publication date Aug 31, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20230193889
    • Publication date Jun 22, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Daichi KURIHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20230194007
    • Publication date Jun 22, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Daichi KURIHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20230167814
    • Publication date Jun 1, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Daichi KURIHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20230160477
    • Publication date May 25, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Keichi URUSHIYAMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220381364
    • Publication date Dec 1, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220325709
    • Publication date Oct 13, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Kohei FUKUDOME
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220243710
    • Publication date Aug 4, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Kohei FUKUDOME
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220213877
    • Publication date Jul 7, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220213878
    • Publication date Jul 7, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Kohei FUKUDOME
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220196173
    • Publication date Jun 23, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220196168
    • Publication date Jun 23, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220186853
    • Publication date Jun 16, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220178461
    • Publication date Jun 9, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220178358
    • Publication date Jun 9, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220170564
    • Publication date Jun 2, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220154838
    • Publication date May 19, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220154837
    • Publication date May 19, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Takahiro EJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220057005
    • Publication date Feb 24, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Masahiro HAYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL VALVE

    • Publication number 20220057010
    • Publication date Feb 24, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Takahiro EJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...