TREA

Yasunobu Tsutsumi

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Flash butt welding method of rail steel
    • Patent number 9,617,690
    • Issue date Apr 11, 2017
    • Nippon Steel & Sumitomo Metal Corporation
    • Kenji Saita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    FLASH BUTT WELDING METHOD OF RAIL STEEL
    • Publication number 20120234806
    • Publication date Sep 20, 2012
    • NIPPON STEEL CORPORATION
    • Kenji Saita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR