Shinichi Tomonaga

Person

  • Fukuyama, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Method for marking defect and device therefor

    • Publication number 20090086209
    • Publication date Apr 2, 2009
    • NKK Corporation
    • Mitsuaki Uesugi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method for marking defect and device therefor

    • Publication number 20070052964
    • Publication date Mar 8, 2007
    • NKK Corporation
    • Mitsuaki Uesugi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method for marking defect and device therefor

    • Publication number 20020154308
    • Publication date Oct 24, 2002
    • NKK Corporation, a Japanese Corporation
    • Mitsuaki Uesugi
    • G01 - MEASURING TESTING