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Koji Saga

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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable displacement oil pump including swing member
    • Patent number 11,905,948
    • Issue date Feb 20, 2024
    • Hitachi Astemo, Ltd.
    • Koji Saga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil pump and control valve
    • Patent number 11,603,779
    • Issue date Mar 14, 2023
    • Hitachi Astemo, Ltd.
    • Koji Saga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement pump and control method therefor
    • Patent number 11,415,128
    • Issue date Aug 16, 2022
    • Hitachi Astemo, Ltd.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity pump and working oil supply system for internal c...
    • Patent number 11,215,178
    • Issue date Jan 4, 2022
    • Hitachi Astemo, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 11,168,684
    • Issue date Nov 9, 2021
    • Hitachi Astemo, Ltd.
    • Koji Saga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement oil pump
    • Patent number 10,161,398
    • Issue date Dec 25, 2018
    • Hitachi Automotive Systems, Ltd.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable vane displacement pump utilizing a control valve and a swi...
    • Patent number 10,060,433
    • Issue date Aug 28, 2018
    • Hitachi Automotive Systems, Ltd.
    • Koji Saga
    • 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

    Vane pump
    • Patent number 9,556,867
    • Issue date Jan 31, 2017
    • Hitachi Automotive Systems, Ltd.
    • Koji Saga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement pump
    • Patent number 9,534,596
    • Issue date Jan 3, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable vane displacement pump utilizing a control valve and a swi...
    • Patent number 9,494,152
    • Issue date Nov 15, 2016
    • Hitachi Automotive Systems, Ltd.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement oil pump
    • Patent number 9,494,153
    • Issue date Nov 15, 2016
    • 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 9,243,632
    • Issue date Jan 26, 2016
    • Hitachi Automotive Systems, Ltd.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 9,206,690
    • Issue date Dec 8, 2015
    • Hitachi Automotive Systems, Ltd.
    • Dai Niwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 9,109,596
    • Issue date Aug 18, 2015
    • Hitachi Automotive Systems, Ltd.
    • Hideaki Ohnishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable vane pump with communication groove in the cam ring
    • Patent number 9,046,100
    • Issue date Jun 2, 2015
    • Hitachi Automotive Systems, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement vane pump having multiple dampening springs
    • Patent number 9,004,882
    • Issue date Apr 14, 2015
    • Hitachi Automotive Systems, Ltd.
    • Hideaki Ohnishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 8,613,610
    • Issue date Dec 24, 2013
    • Hitachi Automotive Systems, Ltd.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump
    • Patent number 8,342,815
    • Issue date Jan 1, 2013
    • Hitachi, Ltd.
    • Yasushi Watanabe
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 8,186,969
    • Issue date May 29, 2012
    • Hitachi, Ltd.
    • Shoji Morita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement vane pump
    • Patent number 8,142,173
    • Issue date Mar 27, 2012
    • Hitachi, Ltd.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Variable Displacement Oil Pump
    • Publication number 20240369060
    • Publication date Nov 7, 2024
    • Hitachi Astemo, Ltd.
    • Nobuaki SOGAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable-Capacity Oil Pump
    • Publication number 20240352932
    • Publication date Oct 24, 2024
    • Hitachi Astemo, Ltd.
    • Daisuke KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil Pump
    • Publication number 20240344515
    • Publication date Oct 17, 2024
    • Hitachi Astemo, Ltd.
    • Daisuke KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP AND CONTROL VALVE
    • Publication number 20210381405
    • Publication date Dec 9, 2021
    • Hitachi Astemo, Ltd.
    • Koji SAGA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP AND CONTROL METHOD THEREFOR
    • Publication number 20200141403
    • Publication date May 7, 2020
    • Hitachi Automotive Systems, Ltd.
    • Koji SAGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20200032793
    • Publication date Jan 30, 2020
    • Hitachi Automotive Systems, Ltd.
    • Koji SAGA
    • 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 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 DISPLACEMENT PUMP
    • Publication number 20170030351
    • Publication date Feb 2, 2017
    • Hitachi Automotive Systems, Ltd.
    • Koji SAGA
    • 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 OIL PUMP
    • Publication number 20160153325
    • Publication date Jun 2, 2016
    • Hitachi Automotive Systems, Ltd.
    • Koji SAGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20150110659
    • Publication date Apr 23, 2015
    • Hitachi Automotive Systems, Ltd.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE VANE PUMP WITH COMMUNICATION GROOVE IN THE CAM RING
    • Publication number 20140377116
    • Publication date Dec 25, 2014
    • Yasushi WATANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT OIL PUMP
    • Publication number 20140219847
    • Publication date Aug 7, 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 20140147322
    • Publication date May 29, 2014
    • Hitachi Automotive Systems, Ltd.
    • Koji SAGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20140147323
    • Publication date May 29, 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 20130164163
    • Publication date Jun 27, 2013
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Hideaki Ohnishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Displacement Oil Pump
    • Publication number 20130164162
    • Publication date Jun 27, 2013
    • Hitachi Automotive Systems, Ltd.
    • Koji SAGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Displacement Pump
    • Publication number 20130028770
    • Publication date Jan 31, 2013
    • Hitachi Automotive Systems, Ltd.
    • Dai NIWATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Displacement Pump
    • Publication number 20120301342
    • Publication date Nov 29, 2012
    • Hitachi Automotive Systems, Ltd.
    • Hideaki Ohnishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil Pump
    • Publication number 20120213655
    • Publication date Aug 23, 2012
    • Hitachi Automotive Systems, Ltd.
    • Hideaki Ohnishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20110189043
    • Publication date Aug 4, 2011
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Yasushi Watanabe
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20110123379
    • Publication date May 26, 2011
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP
    • Publication number 20090291000
    • Publication date Nov 26, 2009
    • Hitachi, Ltd.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil Pump
    • Publication number 20090196772
    • Publication date Aug 6, 2009
    • Hitachi, Ltd
    • Yasushi WATANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Displacement Pump
    • Publication number 20080308062
    • Publication date Dec 18, 2008
    • Hitachi, Ltd
    • Shoji MORITA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...