Kunitoshi Kimura

Person

  • Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    FRP pipe with threaded ends

    • Patent number 4,893,658
    • Issue date Jan 16, 1990
    • Sumitomo Metal Industries, Ltd.
    • Kunitoshi Kimura
    • E21 - EARTH DRILLING MINING