Michimasa Takagi

Person

  • Hitachi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Cluster-type multistage rolling mill

    • Patent number 8,794,045
    • Issue date Aug 5, 2014
    • Mitsubishi-Hitachi Metals Machinery, Inc.
    • Takashi Norikura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Cluster type multistage rolling mill

    • Patent number 6,725,701
    • Issue date Apr 27, 2004
    • Hitachi, Ltd.
    • Toru Nakayama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tandem rolling mill facility and rolling method using the same

    • Patent number 6,619,092
    • Issue date Sep 16, 2003
    • Hitachi, Ltd.
    • Toru Nakayama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill

    • Patent number 4,614,103
    • Issue date Sep 30, 1986
    • Hitachi, Ltd.
    • Michimasa Takagi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    CLUSTER-TYPE MULTISTAGE ROLLING MILL

    • Publication number 20110113847
    • Publication date May 19, 2011
    • Mitsubishi-Hitachi Metals Machinery, Inc.
    • Takashi NORIKURA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Cluster type multistage rolling mill

    • Publication number 20020152787
    • Publication date Oct 24, 2002
    • Hitachi, Ltd.
    • Toru Nakayama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Tandem rolling mill facility and rolling method using the same

    • Publication number 20020108423
    • Publication date Aug 15, 2002
    • Hitachi, Ltd.
    • Toru Nakayama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...