TREA

Kengo Koshimizu

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  • Tochigi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Blade and fan having the same
    • Patent number 8,251,666
    • Issue date Aug 28, 2012
    • Komatsu Ltd.
    • Toshihiko Nishiyama
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Noise reduction mechanism of fan device and molding method of porou...
    • Patent number 6,454,527
    • Issue date Sep 24, 2002
    • Komatsu Ltd.
    • Toshihiko Nishiyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fan device
    • Patent number 6,450,760
    • Issue date Sep 17, 2002
    • Komatsu Ltd.
    • Hideo Furukawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents