TREA

Junichi Ookawara

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable valve mechanism
    • Patent number 8,833,317
    • Issue date Sep 16, 2014
    • Otics Corporation
    • Koki Yamaguchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Variable valve mechanism
    • Publication number 20110197838
    • Publication date Aug 18, 2011
    • Koki Yamaguchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES