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Toshio NISHIKAWA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Vane pump device having two different discharge amounts
    • Patent number 10,731,646
    • Issue date Aug 4, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device
    • Patent number 10,711,781
    • Issue date Jul 14, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device having multiple discharge pressures
    • Patent number 10,662,944
    • Issue date May 26, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device for controlling deviation of a force applied to th...
    • Patent number 10,655,624
    • Issue date May 19, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device for accommodating a working fluid
    • Patent number 10,612,546
    • Issue date Apr 7, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device for controlling fluid supplied to vane grooves
    • Patent number 10,584,703
    • Issue date Mar 10, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device that controls pressure pushing vanes against a cam...
    • Patent number 10,578,102
    • Issue date Mar 3, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device
    • Patent number 10,550,840
    • Issue date Feb 4, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device
    • Patent number 10,451,062
    • Issue date Oct 22, 2019
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device for controlling force applied to vanes
    • Patent number 10,443,598
    • Issue date Oct 15, 2019
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device and hydraulic apparatus
    • Patent number 10,323,635
    • Issue date Jun 18, 2019
    • Showa Corporation
    • Toshio Nishikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Supplying pressurized fluid to the vane groove for a vane pump device
    • Patent number 10,302,084
    • Issue date May 28, 2019
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device having different discharging pressures
    • Patent number 10,202,977
    • Issue date Feb 12, 2019
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device
    • Patent number 10,054,121
    • Issue date Aug 21, 2018
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device
    • Patent number 10,047,744
    • Issue date Aug 14, 2018
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump including outer side plate defining high and low pressure...
    • Patent number 9,062,674
    • Issue date Jun 23, 2015
    • Showa Corporation
    • Hiroyuki Ishihama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump
    • Patent number 9,062,550
    • Issue date Jun 23, 2015
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20220049698
    • Publication date Feb 17, 2022
    • HITACHI ASTEMO, LTD.
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170184102
    • Publication date Jun 29, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170184104
    • Publication date Jun 29, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170184106
    • Publication date Jun 29, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170184100
    • Publication date Jun 29, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170184101
    • Publication date Jun 29, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170184105
    • Publication date Jun 29, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170184103
    • Publication date Jun 29, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170175737
    • Publication date Jun 22, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170175738
    • Publication date Jun 22, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170175739
    • Publication date Jun 22, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170175741
    • Publication date Jun 22, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170175740
    • Publication date Jun 22, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE AND HYDRAULIC APPARATUS
    • Publication number 20170122314
    • Publication date May 4, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170122313
    • Publication date May 4, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170122312
    • Publication date May 4, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    VANE PUMP
    • Publication number 20130052073
    • Publication date Feb 28, 2013
    • SHOWA CORPORATION
    • Hiroyuki ISHIHAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20130052071
    • Publication date Feb 28, 2013
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...