TREA

Noboru Matsumura

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  • Ibaraki-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pump
    • Patent number 5,664,935
    • Issue date Sep 9, 1997
    • Hitachi, Ltd.
    • Akira Nishiuchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbo vacuum pump
    • Patent number 5,536,148
    • Issue date Jul 16, 1996
    • Hitachi, Ltd.
    • Akira Nishiuchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...