TREA

Yoshitomo Tezuka

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  • Hachiouzi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pouring apparatus for castings
    • Patent number 6,923,244
    • Issue date Aug 2, 2005
    • Seiko Idea Center Co., Ltd.
    • Tetsuichi Motegi
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method of grain refining cast magnesium alloy
    • Patent number 6,616,729
    • Issue date Sep 9, 2003
    • Seiko Idea Center Co., Ltd.
    • Tetsuichi Motegi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Concrete reinforcing steel fibers and production thereof
    • Patent number 4,610,926
    • Issue date Sep 9, 1986
    • Tokyo Rope Manufacturing Co., Ltd.
    • Yoshitomo Tezuka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents