TREA

Yoshihisa Awada

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  • Kudamatsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Turbo vacuum pump
    • Patent number 5,020,969
    • Issue date Jun 4, 1991
    • Hitachi, Ltd.
    • Masahiro Mase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 4,904,155
    • Issue date Feb 27, 1990
    • Hitachi, Ltd.
    • Takashi Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cryogenic liquefied pump system
    • Patent number 4,593,835
    • Issue date Jun 10, 1986
    • Hitachi, Ltd.
    • Seiichi Kikkawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...