TREA

Ken-ichi Igarashi

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  • Kohnosu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Scarifier
    • Patent number 4,793,733
    • Issue date Dec 27, 1988
    • Taisei Road Construction Co., Ltd.
    • Tatsuhiko Chiba
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Road surface layer reproducing apparatus
    • Patent number 4,780,022
    • Issue date Oct 25, 1988
    • Taisei Road Construction Company, Ltd.
    • Tatsuhiko Ohiba
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES