TREA

Youhei Toyoshima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Muffler
    • Patent number 7,503,427
    • Issue date Mar 17, 2009
    • Calsonic Kansei Corporation
    • Youhei Toyoshima
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Muffler
    • Publication number 20040182643
    • Publication date Sep 23, 2004
    • Youhei Toyoshima
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Muffler
    • Publication number 20040149515
    • Publication date Aug 5, 2004
    • CALSONIC KANSEI CORPORATION
    • Youhei Toyoshima
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Acoustic dumper for exhaust system
    • Publication number 20040094360
    • Publication date May 20, 2004
    • CALSONIC KANSEI CORPORATION
    • Youhei Toyoshima
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES