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Yu Hirao

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Engine and flywheel housing
    • Patent number 12,297,790
    • Issue date May 13, 2025
    • YANMAR HOLDINGS CO., LTD.
    • Yu Hirao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine
    • Patent number 12,228,066
    • Issue date Feb 18, 2025
    • YANMAR HOLDINGS CO., LTD.
    • Yu Hirao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine
    • Patent number 12,140,071
    • Issue date Nov 12, 2024
    • YANMAR HOLDINGS CO., LTD.
    • Yu Hirao
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine
    • Patent number 12,110,853
    • Issue date Oct 8, 2024
    • YANMAR HOLDINGS CO., LTD.
    • Yu Hirao
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine
    • Patent number 11,994,093
    • Issue date May 28, 2024
    • YANMAR HOLDINGS CO., LTD.
    • Yu Hirao
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine
    • Patent number 11,976,586
    • Issue date May 7, 2024
    • YANMAR HOLDINGS CO., LTD.
    • Yu Hirao
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine
    • Patent number 11,913,397
    • Issue date Feb 27, 2024
    • YANMAR HOLDINGS CO., LTD.
    • Yu Hirao
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE
    • Publication number 20240200489
    • Publication date Jun 20, 2024
    • Yanmar Holdings Co., Ltd.
    • Yu Hirao
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE
    • Publication number 20230287828
    • Publication date Sep 14, 2023
    • Yanmar Holdings Co., Ltd.
    • Yu Hirao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE
    • Publication number 20230287842
    • Publication date Sep 14, 2023
    • Yanmar Holdings Co., Ltd.
    • Yu HIRAO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE
    • Publication number 20230287826
    • Publication date Sep 14, 2023
    • Yanmar Holdings Co., Ltd.
    • Yu Hirao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE
    • Publication number 20230287853
    • Publication date Sep 14, 2023
    • Yanmar Holdings Co., Ltd.
    • Yu HIRAO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE AND FLYWHEEL HOUSING
    • Publication number 20230287846
    • Publication date Sep 14, 2023
    • Yanmar Holdings Co., Ltd.
    • Yu Hirao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE
    • Publication number 20230287857
    • Publication date Sep 14, 2023
    • Yanmar Holdings Co., Ltd.
    • Yu Hirao
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS