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Yasuhiro Kawabata

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a piston unit for an internal combustion engine
    • Patent number 5,737,838
    • Issue date Apr 14, 1998
    • Aisin Seiki Kabushiki Kaisha
    • Hiromi Niimi
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method and apparatus for manufacturing piston of internal combustio...
    • Patent number 5,285,840
    • Issue date Feb 15, 1994
    • Aisin Seiki Kabushiki Kaisha
    • Masamichi Hayashi
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Piston for an internal combustion engine
    • Patent number 5,195,478
    • Issue date Mar 23, 1993
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston for internal combustion engine
    • Patent number 5,054,375
    • Issue date Oct 8, 1991
    • Aisin Seiki Kabushiki
    • Yasuhiro Kawabata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine piston with top-land circumferential pro...
    • Patent number 5,052,281
    • Issue date Oct 1, 1991
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Manufacturing method of a piston for an internal combustion engine
    • Patent number 4,870,733
    • Issue date Oct 3, 1989
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method for manufacturing piston of internal combustion engine
    • Patent number 4,776,075
    • Issue date Oct 11, 1988
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Electromagnetically operable fluid flow control valve mechanism
    • Patent number 4,665,948
    • Issue date May 19, 1987
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Turbocharger control system
    • Patent number 4,642,991
    • Issue date Feb 17, 1987
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Motor-driven proportional fluid flow control valve
    • Patent number 4,585,028
    • Issue date Apr 29, 1986
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fuel heater and fuel contamination detecting apparatus
    • Patent number 4,580,542
    • Issue date Apr 8, 1986
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Turbocharger control device with optical turbocharger shaft speed s...
    • Patent number 4,571,945
    • Issue date Feb 25, 1986
    • Aisin Seiki Kabushiki Kaisha
    • Masami Inada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine cooling system
    • Patent number 4,539,943
    • Issue date Sep 10, 1985
    • Aisin Seiki Kabushiki Kaisha
    • Shunzo Tsuchikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Linear motor-actuated flow control valve
    • Patent number 4,530,374
    • Issue date Jul 23, 1985
    • Aisin Seiki Kabushiki Kaisha
    • Motonobu Akagi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Turbocharger control system
    • Patent number 4,512,153
    • Issue date Apr 23, 1985
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Linear motor-actuated flow control valve
    • Patent number 4,483,369
    • Issue date Nov 20, 1984
    • Aisin Seiki Kabushiki Kaisha
    • Motonobu Akagi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid control valve
    • Patent number 4,456,218
    • Issue date Jun 26, 1984
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vacuum actuator
    • Patent number 4,364,301
    • Issue date Dec 21, 1982
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Diaphragm air pump assembly
    • Patent number 4,334,837
    • Issue date Jun 15, 1982
    • Aisin Seiki Kabushiki Kaisha
    • Masami Inada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm air pump assembly
    • Patent number 4,329,123
    • Issue date May 11, 1982
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve device for controlling flow of fluid
    • Patent number 4,327,772
    • Issue date May 4, 1982
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pneumatic pressure responsive valve assembly
    • Patent number 4,304,390
    • Issue date Dec 8, 1981
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air-fuel mixture control valve assembly
    • Patent number 4,297,984
    • Issue date Nov 3, 1981
    • Aisin Seiki Kabushiki Kaisha
    • Yasuhiro Kawabata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pneumatic pressure control valve assembly
    • Patent number 4,170,971
    • Issue date Oct 16, 1979
    • Aisin Seiki Kabushiki Kaisha
    • Minoru Yamanaka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vacuum cut-off valve
    • Patent number 4,166,476
    • Issue date Sep 4, 1979
    • Aisin Seiki Kabushiki Kaisha
    • Minoru Yamanaka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS