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Masami Niwa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Control valve and variable displacement compressor having the same
    • Patent number 6,739,843
    • Issue date May 25, 2004
    • Kabushiki Kaisha Toyota Jidoshokki
    • Satoshi Umemura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control valve of variable displacement compressor
    • Patent number 6,637,228
    • Issue date Oct 28, 2003
    • Kabushiki Kaisha Toyota Jidoshokki
    • Satoshi Umemura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electromagnetic spring clutches
    • Patent number 6,581,743
    • Issue date Jun 24, 2003
    • Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    • Takahiro Moroi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid heating devices
    • Patent number 6,558,112
    • Issue date May 6, 2003
    • Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    • Takahiro Moroi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Control valve for variable displacement type compressor
    • Patent number 6,517,324
    • Issue date Feb 11, 2003
    • Kabushiki Kaisha Toyota Jidoshokki
    • Masaki Ota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Heat generator for vehicle
    • Patent number 6,371,381
    • Issue date Apr 16, 2002
    • Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    • Masami Niwa
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat generator and design method thereof
    • Patent number 6,308,896
    • Issue date Oct 30, 2001
    • Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    • Takahiro Moroi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat generator
    • Patent number 6,269,781
    • Issue date Aug 7, 2001
    • Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    • Shigeru Suzuki
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Vehicle heat generator
    • Patent number 6,250,561
    • Issue date Jun 26, 2001
    • Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    • Yasuhiro Fujiwara
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents