TREA

Seiichi Akiyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic swing-controlling apparatus of work machine
    • Patent number 9,109,346
    • Issue date Aug 18, 2015
    • Caterpillar SARL
    • Tetsuya Yoshino
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control apparatus for work machine
    • Patent number 8,899,035
    • Issue date Dec 2, 2014
    • Caterpillar SARL
    • Hiroyasu Nishikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid pressure circuit control system
    • Patent number 6,810,663
    • Issue date Nov 2, 2004
    • Shin Caterpillar Mitsubishi Ltd.
    • Hideo Konishi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic pump control device
    • Patent number 6,672,055
    • Issue date Jan 6, 2004
    • Shin Caterpillar Mitsubishi Ltd.
    • Hideo Konishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents