TREA

Hiroshi Tada

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tendon for prestressed concrete
    • Patent number 4,648,224
    • Issue date Mar 10, 1987
    • Japanese National Railways
    • Toshiyuki Kitta
    • E04 - BUILDING
  • Information Patent Grant

    Method of erecting a bridge girder
    • Patent number 4,320,548
    • Issue date Mar 23, 1982
    • Oiles Co., Ltd.
    • Hiroshi Tada
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Concrete bridge girder support structure and cantilever erection me...
    • Patent number 4,259,759
    • Issue date Apr 7, 1981
    • Oiles Industry Co. Ltd.
    • Hiroshi Tada
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Fixed support structure
    • Patent number 4,209,868
    • Issue date Jul 1, 1980
    • Oiles Industry Co. Ltd.
    • Hiroshi Tada
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Support structure
    • Patent number 4,188,681
    • Issue date Feb 19, 1980
    • Oiles Industry Co., Ltd.
    • Hiroshi Tada
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR