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Hidetoshi Fujiwara

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  • Aichi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure reducing valve
    • Patent number 9,810,327
    • Issue date Nov 7, 2017
    • JTEKT Corporation
    • Toshihiko Shima
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Pressure reducer
    • Patent number 9,400,506
    • Issue date Jul 26, 2016
    • Toyota Jidosha Kabushiki Kaisha
    • Toshihiko Shima
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Valve device assembling structure, plug body, and manual valve
    • Patent number 8,104,508
    • Issue date Jan 31, 2012
    • JTEKT Corporation
    • Takuya Suzuki
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Pressure-reducing valve
    • Patent number 8,028,716
    • Issue date Oct 4, 2011
    • JTEKT Corporation
    • Takuya Suzuki
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Transmission ratio variable device and steering gear
    • Patent number 7,819,041
    • Issue date Oct 26, 2010
    • JTEKT Corporation
    • Motoyasu Yamamori
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Torque detecting device
    • Patent number 6,912,921
    • Issue date Jul 5, 2005
    • Toyoda Koki Kabushiki Kaisha
    • Hidetoshi Fujiwara
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vane pump
    • Patent number 6,877,969
    • Issue date Apr 12, 2005
    • Toyoda Koki Kabushiki Kaisha
    • Hiroyuki Yao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump with a bypass valve and passage arrangement for equalizin...
    • Patent number 6,877,961
    • Issue date Apr 12, 2005
    • Toyoda Koki Kabushiki Kaisha
    • Hidetoshi Fujiwara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump apparatus
    • Patent number 6,648,620
    • Issue date Nov 18, 2003
    • Toyoda Koki Kabushiki Kaisha
    • Kentaro Yamauchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump apparatus
    • Patent number 6,299,418
    • Issue date Oct 9, 2001
    • Toyoda Koki Kabushiki Kaisha
    • Susumu Honaga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump
    • Patent number 6,203,303
    • Issue date Mar 20, 2001
    • Toyoda Koki Kabushiki Kaisha
    • Hidetoshi Fujiwara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane type rotary pump having a discharge port with a tapered bearde...
    • Patent number 6,068,461
    • Issue date May 30, 2000
    • Toyoda Koki Kabushiki Kaisha
    • Kyosuke Haga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flow control device of power steering apparatus
    • Patent number 6,041,807
    • Issue date Mar 28, 2000
    • Toyoda Koki Kabushiki Kaisha
    • Susumu Honaga
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Tandem pump having a different sized vane for each pump
    • Patent number 5,213,491
    • Issue date May 25, 1993
    • Toyoda Koki Kabushiki Kaisha
    • Hidetoshi Fujiwara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Tandem rotary pump with pressure chamber between two intermediate s...
    • Patent number 4,971,535
    • Issue date Nov 20, 1990
    • Toyoda Koki Kabushiki Kaisha
    • Takahiko Okada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control apparatus for power-assisted steering system
    • Patent number 4,606,423
    • Issue date Aug 19, 1986
    • Toyota Jidosha Kabushiki Kaisha
    • Hidetoshi Fujiwara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Attachment for a resinous reservoir
    • Patent number 4,579,309
    • Issue date Apr 1, 1986
    • Toyoda Koki Kabushiki Kaisha
    • Hidetoshi Fujiwara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow volume control device for power steering system
    • Patent number 4,549,566
    • Issue date Oct 29, 1985
    • Toyoda Koki Kabushiki Kaisha
    • Hidetoshi Fujiwara
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Power steering system with engine idling-up mechanism
    • Patent number 4,545,449
    • Issue date Oct 8, 1985
    • Toyoda Koki Kabushiki Kaisha
    • Hidetoshi Fujiwara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    PRESSURE REDUCING VALVE
    • Publication number 20160118676
    • Publication date Apr 28, 2016
    • JTEKT Corporation
    • Toshihiko SHIMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ASSEMBLED STRUCTURE OF VALVE DEVICE, PLUG BODY, AND MANUAL VALVE
    • Publication number 20090146094
    • Publication date Jun 11, 2009
    • JTEKT CORPORATION
    • Takuya Suzuki
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    TRANSMISSION RATIO VARIABLE DEVICE AND STEERING GEAR
    • Publication number 20090031852
    • Publication date Feb 5, 2009
    • JTEKT Corporation
    • Motoyasu Yamamori
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Pressure Reducer
    • Publication number 20080202603
    • Publication date Aug 28, 2008
    • JTEKT CORPORATION
    • Toshihiko Shima
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Valve Device For High-Pressure Gas
    • Publication number 20080105309
    • Publication date May 8, 2008
    • Munetoshi Kuroyanagi
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Pressure-Reducing Valve
    • Publication number 20080105840
    • Publication date May 8, 2008
    • JTEKT Corporation
    • Takuya Suzuki
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Vane pump
    • Publication number 20040202565
    • Publication date Oct 14, 2004
    • TOYODA KOKI KABUSHIKI KAISHA
    • Hiroyuki Yao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Torque detecting device
    • Publication number 20040016306
    • Publication date Jan 29, 2004
    • TOYODA KOKI KABUSHIKI KAISHA
    • Hidetoshi Fujiwara
    • G01 - MEASURING TESTING
  • Information Patent Application

    Pump apparatus
    • Publication number 20030202888
    • Publication date Oct 30, 2003
    • TOYODA KOKI KABUSHIKI KAISHA
    • Hidetoshi Fujiwara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary pump apparatus
    • Publication number 20020090312
    • Publication date Jul 11, 2002
    • TOYODA KOKI KABUSHIKI KAISHA
    • Kentaro Yamauchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...