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Hiroyuki Iwamoto

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  • Mita-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elongation rolling control method
    • Patent number 8,215,142
    • Issue date Jul 10, 2012
    • Sumitomo Metal Industries, Ltd.
    • Hiroyuki Iwamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Elongation rolling control method
    • Patent number 8,151,612
    • Issue date Apr 10, 2012
    • Sumitomo Metal Industries, Ltd.
    • Hiroyuki Iwamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Elongation rolling control method
    • Patent number 7,937,978
    • Issue date May 10, 2011
    • Sumitomo Metal Industries, Ltd.
    • Hiroyuki Iwamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing a seamless pipe
    • Patent number 7,174,761
    • Issue date Feb 13, 2007
    • Sumitomo Metal Industries, Ltd.
    • Hiroyuki Iwamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    ELONGATION ROLLING CONTROL METHOD
    • Publication number 20110174033
    • Publication date Jul 21, 2011
    • Sumitomo Metal Industries, Ltd.
    • Hiroyuki IWAMOTO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ELONGATION ROLLING CONTROL METHOD
    • Publication number 20110174034
    • Publication date Jul 21, 2011
    • Sumitomo Metal Industries, Ltd.
    • Hiroyuki IWAMOTO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Elongation rolling control method
    • Publication number 20080245120
    • Publication date Oct 9, 2008
    • Hiroyuki Iwamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method of manufacturing a seamless pipe
    • Publication number 20060059969
    • Publication date Mar 23, 2006
    • Hiroyuki Iwamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...