TREA

Satoshi Maruyama

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  • Gunma-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Impeller
    • Patent number 8,033,793
    • Issue date Oct 11, 2011
    • Sigma Co., Ltd.
    • Kazuo Ikeda
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Impeller manufacturing method and impeller
    • Patent number 7,934,908
    • Issue date May 3, 2011
    • Sigma Co., Ltd.
    • Kazuo Ikeda
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Impeller for water pump
    • Patent number 6,712,583
    • Issue date Mar 30, 2004
    • Honda Giken Kogyo Kabushiki Kaisha
    • Toshiro Ijima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Impeller
    • Publication number 20080104837
    • Publication date May 8, 2008
    • SIGMA CO., LTD.
    • Kazuo Ikeda
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Impeller manufacturing method and impeller
    • Publication number 20080107539
    • Publication date May 8, 2008
    • Sigma Co., Ltd.
    • Kazuo Ikeda
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Impeller for water pump
    • Publication number 20020187045
    • Publication date Dec 12, 2002
    • Toshiro Ijima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...