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Kazuhiro OOTSUKA

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  • IBARAKI, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Engine and engine-driven working machine
    • Patent number 10,280,827
    • Issue date May 7, 2019
    • KOKI HOLDINGS CO., LTD.
    • Naoto Ichihashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE AND ENGINE-DRIVEN WORKING MACHINE
    • Publication number 20180016964
    • Publication date Jan 18, 2018
    • Hitachi Koki Co., Ltd.
    • Naoto ICHIHASHI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS