TREA

Hirotsugu Masuda

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Porous ceramic structure
    • Patent number 4,740,406
    • Issue date Apr 26, 1988
    • Bridgestone Corporation
    • Tsuneaki Narumiya
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Flexible pipe coupling
    • Patent number 4,401,325
    • Issue date Aug 30, 1983
    • Bridgestone Tire Co., Ltd.
    • Kazuo Tsuchiya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pneumatic marine fender
    • Patent number 4,296,705
    • Issue date Oct 27, 1981
    • Bridgestone Tire Co., Ltd.
    • Hisanari Uruta
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING