TREA

Tetsuo Hirasawatsu

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  • Kashiwara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Driving apparatus for rolling mill
    • Patent number 5,140,838
    • Issue date Aug 25, 1992
    • Koyo Seiko Co., Ltd.
    • Nobuo Komeyama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Support assembly for coupling of universal joint
    • Patent number 4,124,999
    • Issue date Nov 14, 1978
    • Koyo Seiko Company Limited
    • Tetsuo Hirasawatsu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...