Tetsufumi Yoshida

Person

  • Kyoto, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Punching method using punch and punch for punching

    • Publication number 20090229432
    • Publication date Sep 17, 2009
    • MUSASHI SEIMITSU INDUSTRY CO., LTD.
    • Shinichi Murata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...