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Hiroshi Ishiwata

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  • Higashimatsuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spill control apparatus for fuel injection system
    • Patent number 5,915,360
    • Issue date Jun 29, 1999
    • Zexel Corporation
    • Hiroshi Ishiwata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection system
    • Patent number 5,647,323
    • Issue date Jul 15, 1997
    • Zexel Corporation
    • Ken-ichi Kubo
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Distributor type fuel injection pump
    • Patent number 5,642,715
    • Issue date Jul 1, 1997
    • Zexel Corporation
    • Toru Yamakawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Prestroke controller for engine fuel injection pump
    • Patent number 5,617,830
    • Issue date Apr 8, 1997
    • Zexel Corporation
    • Hiroshi Ishiwata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pilot injection controller in fuel injection system and method of c...
    • Patent number 5,592,915
    • Issue date Jan 14, 1997
    • Zexel Corporation
    • Hiroshi Ishiwata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Solenoid valve
    • Patent number 5,566,921
    • Issue date Oct 22, 1996
    • Zexel Corporation
    • Toru Yokota
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pilot injection control system
    • Patent number 5,482,016
    • Issue date Jan 9, 1996
    • Zexel Corporation
    • Takashi Ohishi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection pump and prestroke controller therefor
    • Patent number 5,460,132
    • Issue date Oct 24, 1995
    • Zexel Corporation
    • Hiroshi Ishiwata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection system
    • Patent number 5,443,047
    • Issue date Aug 22, 1995
    • Zexel Corporation
    • Hiroshi Ishiwata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection device
    • Patent number 5,357,933
    • Issue date Oct 25, 1994
    • Zexel Corporation
    • Toshiaki Kasahara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Prestroke control device for fuel injection pumps
    • Patent number 5,080,564
    • Issue date Jan 14, 1992
    • Diesel Kiki Co., Ltd.
    • Toshiaki Kasahara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection pump having variable prestroke mechanism
    • Patent number 4,737,086
    • Issue date Apr 12, 1988
    • Diesel Kiki Co., Ltd.
    • Susumu Yamaguchi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection apparatus for internal combustion engines
    • Patent number 4,730,586
    • Issue date Mar 15, 1988
    • Diesel Kiki Co., Ltd.
    • Susumu Yamaguchi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS