TREA

Koichi Nakayama

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  • Chiryu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pumping apparatus
    • Patent number 6,471,494
    • Issue date Oct 29, 2002
    • Aisin Seiki Kabushiki Kaisha
    • Atsuyuki Miura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage pump device
    • Patent number 6,305,910
    • Issue date Oct 23, 2001
    • Aisin Seiki Kabushiki Kaisha
    • Atsuyuki Miura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES