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Jun BOTA

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable valve system
    • Patent number 9,494,061
    • Issue date Nov 15, 2016
    • Ogino Kogyo Co., Ltd.
    • Koichi Hatamura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    VARIABLE VALVE SYSTEM
    • Publication number 20150075463
    • Publication date Mar 19, 2015
    • HATAMURA ENGINE RESEARCH OFFICE LTD.
    • Koichi HATAMURA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES