TREA

Siro Sugiyama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Swivel type working vehicle
    • Patent number 6,615,942
    • Issue date Sep 9, 2003
    • Kubota Corporation
    • Eisaku Shinohara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Propelling apparatus for underground propelling construction work
    • Patent number 5,904,444
    • Issue date May 18, 1999
    • Kubota Corporation
    • Teruo Kabeuchi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Underground propelling method
    • Patent number 5,878,825
    • Issue date Mar 9, 1999
    • Kubota Corporation
    • Shigeaki Okuyama
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic pilot valve
    • Patent number 5,433,249
    • Issue date Jul 18, 1995
    • Kubota Corporation
    • Hirotaka Tsubota
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic piping structure for a backhoe
    • Patent number 5,108,253
    • Issue date Apr 28, 1992
    • Kubota, Ltd.
    • Masahiko Kobayashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Swivel type working vehicle
    • Publication number 20030079925
    • Publication date May 1, 2003
    • Eisaku Shinohara
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING