TREA

Nobuyoshi Yashima

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Patents Grantslast 30 patents

  • Information Patent Grant

    Artificial island
    • Patent number 4,630,969
    • Issue date Dec 23, 1986
    • Mitsui Engineering & Shipbuilding Co., Ltd.
    • Masanao Oshima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Floating offshore structure
    • Patent number 4,571,125
    • Issue date Feb 18, 1986
    • Mitsui Engineering and Shipbuilding Company, Limited
    • Masanao Oshima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Floating offshore structure
    • Patent number 4,519,728
    • Issue date May 28, 1985
    • Mitsui Engineering and Shipbuilding Company, Ltd.
    • Masanao Oshima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Marine riser protector for use on offshore oil drilling rigs in icy...
    • Patent number 4,505,618
    • Issue date Mar 19, 1985
    • Mitsui Engineering & Shipbuilding Co., Ltd.
    • Nobuyoshi Yashima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Artificial island for installing oil drilling equipment in ice cove...
    • Patent number 4,326,822
    • Issue date Apr 27, 1982
    • Mitsui Engineering & Shipbuilding Co., Ltd.
    • Masanao Oshima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Working platform for oil drilling operations in ice covered sea areas
    • Patent number 4,295,758
    • Issue date Oct 20, 1981
    • Mitsui Engineering & Shipbuilding Co., Ltd.
    • Nobuyoshi Yashima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Floating structure
    • Patent number 4,155,673
    • Issue date May 22, 1979
    • Mitsui Engineering & Shipbuilding Co. Ltd.
    • Nobuyoshi Yashima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT