TREA

Kunihiko Fujiwara

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  • Okazaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Muffler structure
    • Patent number 6,189,650
    • Issue date Feb 20, 2001
    • Futaba Industrial Co., Ltd.
    • Kazuhiro Inuzuka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler for internal combustion engine
    • Patent number 5,971,098
    • Issue date Oct 26, 1999
    • Futaba Industrial Co., Ltd.
    • Mitsuro Suzuki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler for internal combustion engine
    • Patent number 5,801,343
    • Issue date Sep 1, 1998
    • Futaba Industrial Co., Ltd.
    • Mitsuro Suzuki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES