TREA

Yoshiyuki Maruta

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dynamic pressure bearing
    • Patent number 5,322,369
    • Issue date Jun 21, 1994
    • Ebara Corporation
    • Tadashi Kataoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Screw compressor
    • Patent number 5,051,077
    • Issue date Sep 24, 1991
    • Ebara Corporation
    • Kiyoshi Yanagisawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...