TREA

Yoshiaki HIRAI

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Turbine and turbocharger
    • Patent number 12,078,097
    • Issue date Sep 3, 2024
    • IHI Corporation
    • Shun Okamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sealing structure and turbocharger
    • Patent number 10,662,965
    • Issue date May 26, 2020
    • IHI Corporation
    • Yoshiaki Hirai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    TURBINE AND TURBOCHARGER
    • Publication number 20220003151
    • Publication date Jan 6, 2022
    • IHI Corporation
    • Shun OKAMOTO
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    SEALING STRUCTURE AND TURBOCHARGER
    • Publication number 20180106265
    • Publication date Apr 19, 2018
    • IHI Corporation
    • Yoshiaki HIRAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...