TREA

Hiroaki Koishi

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust silencer for internal combustion engine
    • Patent number 7,464,789
    • Issue date Dec 16, 2008
    • Honda Motor Co., Ltd.
    • Kazuo Yamamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust apparatus for vehicle
    • Patent number 6,968,922
    • Issue date Nov 29, 2005
    • Honda Giken Kogyo Kabushiki Kaisha
    • Noriyuki Kawamata
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    Exhaust silencer for internal combustion engine
    • Publication number 20040178016
    • Publication date Sep 16, 2004
    • Kazuo Yamamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust apparatus for vehicle
    • Publication number 20030136607
    • Publication date Jul 24, 2003
    • Noriyuki Kawamata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES