Hiroaki Oka

Person

  • Hiroshima-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Compressor, compressor assembly, and method of assembling compressor

    • Patent number 11,821,437
    • Issue date Nov 21, 2023
    • Mitsubishi Heavy Industries Compressor Corporation
    • Hiroaki Oka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ammonia plant synthesis gas compressor train

    • Patent number 11,788,546
    • Issue date Oct 17, 2023
    • Mitsubishi Heavy Industries Compressor Corporation
    • Yusuke Oishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller and centrifugal compressor

    • Patent number 11,401,944
    • Issue date Aug 2, 2022
    • Mitsubishi Heavy Industries Compressor Corporation
    • Shuichi Yamashita
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Centrifugal compressor

    • Patent number 11,221,016
    • Issue date Jan 11, 2022
    • Mitsubishi Heavy Industries Compressor Corporation
    • Hiroaki Oka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve system and steam turbine

    • Patent number 10,557,370
    • Issue date Feb 11, 2020
    • Mitsubishi Heavy Industries Compressor Corporation
    • Hiroaki Oka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    IMPELLER AND CENTRIFUGAL COMPRESSOR

    • Publication number 20220403853
    • Publication date Dec 22, 2022
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Nobuyori Yagi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    COMPRESSOR, COMPRESSOR ASSEMBLY, AND METHOD OF ASSEMBLING COMPRESSOR

    • Publication number 20220243738
    • Publication date Aug 4, 2022
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Hiroaki Oka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER AND CENTRIFUGAL COMPRESSOR

    • Publication number 20210301831
    • Publication date Sep 30, 2021
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Shuichi Yamashita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AMMONIA PLANT SYNTHESIS GAS COMPRESSOR TRAIN

    • Publication number 20210131444
    • Publication date May 6, 2021
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Yusuke Oishi
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR

    • Publication number 20210123453
    • Publication date Apr 29, 2021
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Hiroaki Oka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER AND CENTRIFUGAL COMPRESSOR

    • Publication number 20210062821
    • Publication date Mar 4, 2021
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Nobuyori Yagi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    VALVE SYSTEM AND STEAM TURBINE

    • Publication number 20180371935
    • Publication date Dec 27, 2018
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Hiroaki Oka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES