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Hideyuki KOYAMA

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic fuel injection type diesel engine
    • Patent number 11,378,001
    • Issue date Jul 5, 2022
    • Kubota Corporation
    • Hideyuki Koyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust system for engine
    • Patent number 11,371,414
    • Issue date Jun 28, 2022
    • Kubota Corporation
    • Hiroki Oso
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine that includes blow-by-gas returning system
    • Patent number 10,982,576
    • Issue date Apr 20, 2021
    • Kubota Corporation
    • Hiroki Oso
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine stopping device
    • Patent number 10,815,911
    • Issue date Oct 27, 2020
    • Kubota Corporation
    • Akira Tanaka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Oil cooling structure of engine
    • Patent number 10,669,903
    • Issue date Jun 2, 2020
    • KUBOTA Corporation
    • Hiroki Oso
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cooling structure of water-cooled engine
    • Patent number 10,641,200
    • Issue date May 5, 2020
    • KUBOTA Corporation
    • Hiroki Oso
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine
    • Patent number 10,415,443
    • Issue date Sep 17, 2019
    • KUBOTA Corporation
    • Kentaro Nagai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Piston for engine
    • Patent number 10,161,353
    • Issue date Dec 25, 2018
    • KUBOTA Corporation
    • Hiroki Oso
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston for engine
    • Patent number 10,018,147
    • Issue date Jul 10, 2018
    • KUBOTA Corporation
    • Hiroki Oso
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Engine cooler
    • Patent number 9,828,933
    • Issue date Nov 28, 2017
    • KUBOTA Corporation
    • Kentaro Nagai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine water-cooling device
    • Patent number 9,771,854
    • Issue date Sep 26, 2017
    • KUBOTA Corporation
    • Naoya Sakurai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust treatment apparatus for engine
    • Patent number 9,765,671
    • Issue date Sep 19, 2017
    • KUBOTA Corporation
    • Hideyuki Koyama
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Subchamber type combustion chamber for diesel engine
    • Patent number 9,429,066
    • Issue date Aug 30, 2016
    • KUBOTA Corporation
    • Hiroki Kuwayama
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Engine
    • Patent number 9,027,933
    • Issue date May 12, 2015
    • KUBOTA Corporation
    • Hiroki Kuwayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC FUEL INJECTION TYPE DIESEL ENGINE
    • Publication number 20210388754
    • Publication date Dec 16, 2021
    • Kubota Corporation
    • Hideyuki KOYAMA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    EXHAUST SYSTEM FOR ENGINE
    • Publication number 20200340388
    • Publication date Oct 29, 2020
    • KUBOTA CORPORATION
    • Hiroki OSO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE THAT INCLUDES BLOW-BY-GAS RETURNING SYSTEM
    • Publication number 20190345855
    • Publication date Nov 14, 2019
    • KUBOTA CORPORATION
    • Hiroki OSO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE STOPPING DEVICE
    • Publication number 20190186386
    • Publication date Jun 20, 2019
    • KUBOTA CORPORATION
    • Akira TANAKA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COOLING STRUCTURE OF WATER-COOLED ENGINE
    • Publication number 20180179984
    • Publication date Jun 28, 2018
    • KUBOTA CORPORATION
    • Hiroki OSO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    OIL COOLING STRUCTURE OF ENGINE
    • Publication number 20180003093
    • Publication date Jan 4, 2018
    • KUBOTA CORPORATION
    • Hiroki OSO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PISTON FOR ENGINE
    • Publication number 20170350344
    • Publication date Dec 7, 2017
    • KUBOTA CORPORATION
    • Hiroki OSO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE
    • Publication number 20160363017
    • Publication date Dec 15, 2016
    • KUBOTA CORPORATION
    • Kentaro NAGAI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PISTON FOR ENGINE
    • Publication number 20160312739
    • Publication date Oct 27, 2016
    • KUBOTA CORPORATION
    • Hiroki OSO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE WATER-COOLING DEVICE
    • Publication number 20160090895
    • Publication date Mar 31, 2016
    • KUBOTA CORPORATION
    • Naoya SAKURAI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE COOLER
    • Publication number 20150267636
    • Publication date Sep 24, 2015
    • KUBOTA CORPORATION
    • Kentaro NAGAI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SUBCHAMBER TYPE COMBUSTION CHAMBER FOR DIESEL ENGINE
    • Publication number 20150034043
    • Publication date Feb 5, 2015
    • KUBOTA CORPORATION
    • Hiroki KUWAYAMA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    EXHAUST TREATMENT APPARATUS FOR ENGINE
    • Publication number 20140290226
    • Publication date Oct 2, 2014
    • KUBOTA CORPORATION
    • Hideyuki KOYAMA
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    ENGINE
    • Publication number 20130207350
    • Publication date Aug 15, 2013
    • KUBOTA CORPORATION
    • Hiroki KUWAYAMA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS