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Atsushi NAGANUMA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable displacement-type oil pump
    • Patent number 10,947,972
    • Issue date Mar 16, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Atsushi Naganuma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity oil pump
    • Patent number 10,947,973
    • Issue date Mar 16, 2021
    • Hitachi Automotive Systems, Ltd.
    • Atsushi Naganuma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump and balancer unit of oil pump integrated type
    • Patent number 10,941,681
    • Issue date Mar 9, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Daisuke Kato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 10,677,245
    • Issue date Jun 9, 2020
    • Hitachi Automotive Systems, Ltd.
    • Atsushi Naganuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 10,006,457
    • Issue date Jun 26, 2018
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement oil pump
    • Patent number 9,903,367
    • Issue date Feb 27, 2018
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement pump
    • Patent number 9,670,925
    • Issue date Jun 6, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump
    • Patent number RE46294
    • Issue date Jan 31, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
  • Information Patent Grant

    Variable displacement pump
    • Patent number 9,133,842
    • Issue date Sep 15, 2015
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 8,684,702
    • Issue date Apr 1, 2014
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement oil pump
    • Patent number 8,545,200
    • Issue date Oct 1, 2013
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL PUMP AND BALANCER UNIT OF OIL PUMP INTEGRATED TYPE
    • Publication number 20190345852
    • Publication date Nov 14, 2019
    • Hitachi Automotive Systems, Ltd.
    • Daisuke KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE CAPACITY PUMP AND WORKING OIL SUPPLY SYSTEM FOR INTERNAL C...
    • Publication number 20190226479
    • Publication date Jul 25, 2019
    • Hitachi Automotive Systems, Ltd.
    • Yasushi WATANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE CAPACITY PUMP AND WORKING OIL SUPPLY SYSTEM FOR INTERNAL C...
    • Publication number 20190219053
    • Publication date Jul 18, 2019
    • Hitachi Automotive Systems, Ltd.
    • Atsushi NAGANUMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT-TYPE OIL PUMP
    • Publication number 20180258930
    • Publication date Sep 13, 2018
    • Hitachi Automotive Systems, Ltd.
    • Atsushi NAGANUMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE CAPACITY OIL PUMP
    • Publication number 20180223840
    • Publication date Aug 9, 2018
    • Hitachi Automotive Systems, Ltd.
    • Atsushi NAGANUMA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE DISPLACEMENT TYPE OIL PUMP
    • Publication number 20180187676
    • Publication date Jul 5, 2018
    • Hitachi Automotive Systems, Ltd.
    • Koji SAGA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE CAPACITY OIL PUMP
    • Publication number 20180135625
    • Publication date May 17, 2018
    • Hitachi Automotive Systems, Ltd.
    • Atsushi NAGANUMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20180023564
    • Publication date Jan 25, 2018
    • Hitachi Automotive Systems, Ltd.
    • Atsushi NAGANUMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20170234311
    • Publication date Aug 17, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT OIL PUMP
    • Publication number 20160177950
    • Publication date Jun 23, 2016
    • Hitachi Automotive Systems, Ltd.
    • Yasushi WATANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20140170008
    • Publication date Jun 19, 2014
    • Hitachi Automotive Systems, Ltd.
    • Yasushi WATANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20140072456
    • Publication date Mar 13, 2014
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT OIL PUMP
    • Publication number 20100232989
    • Publication date Sep 16, 2010
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Yasushi WATANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20100226799
    • Publication date Sep 9, 2010
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Yasushi WATANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...