Masatoshi TOKUNAGA

Person

  • Tokyo, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    LAP FILLET ARC WELDED JOINT

    • Publication number 20200378420
    • Publication date Dec 3, 2020
    • NIPPON STEEL CORPORATION
    • Kazuki MATSUDA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PRESS-FORMED PRODUCT AND METHOD FOR DESIGNING THE SAME

    • Publication number 20180126439
    • Publication date May 10, 2018
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Masahiro SAITO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD OF JOINING METAL, PLASTIC MEMBER, AND CARBON FIBER REINFORCE...

    • Publication number 20180086005
    • Publication date Mar 29, 2018
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Masanori YASUYAMA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    LASER WELDED JOINT AND METHOD OF PRODUCTION OF SAME

    • Publication number 20170314595
    • Publication date Nov 2, 2017
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Masatoshi TOKUNAGA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR