TREA

Tomohiko Yasuoka

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  • Toride, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic cylinder
    • Patent number 6,386,088
    • Issue date May 14, 2002
    • Hitachi Construction Machinery, Co. Ltd.
    • Mitsuhiro Yoshimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic-motor drive circuit system with anti-cavitation control
    • Patent number 5,197,283
    • Issue date Mar 30, 1993
    • Hitachi Construction Machinery Co., Ltd.
    • Hitoshi Kagiwada
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive traveling system
    • Patent number 5,177,964
    • Issue date Jan 12, 1993
    • Hitachi Construction Machinery Co., Ltd.
    • Hideaki Tanaka
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING