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Yuji Ishiwari

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing ring-rolled element
    • Patent number 12,168,253
    • Issue date Dec 17, 2024
    • PROTERIAL, LTD.
    • Kazuya Musha
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing ring-rolled product
    • Patent number 11,135,642
    • Issue date Oct 5, 2021
    • Hitachi Metals, Ltd.
    • Takuya Murai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing ring-rolled product
    • Patent number 11,077,481
    • Issue date Aug 3, 2021
    • Hitachi Metals, Ltd.
    • Takuya Murai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing annular molding
    • Patent number 9,592,547
    • Issue date Mar 14, 2017
    • Mitsubishi Materials Corporation
    • Hideo Takizawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ring rolling mill and ring rolling method
    • Patent number 8,689,597
    • Issue date Apr 8, 2014
    • Mitsubishi Materials Corporation
    • Shimpei Hirose
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ring rolling mill and ring rolling method
    • Patent number 8,365,564
    • Issue date Feb 5, 2013
    • Mitsubishi Materials Corporation
    • Shimpei Hirose
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ring-shaped disk for gas turbine
    • Patent number 8,187,532
    • Issue date May 29, 2012
    • MMC Superalloy Corporation
    • Jun Ohsone
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for producing crystalline silicon
    • Patent number 6,540,828
    • Issue date Apr 1, 2003
    • Mitsubishi Materials Corporation
    • Saburo Wakita
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Method for producing crystalline silicon
    • Patent number 6,383,285
    • Issue date May 7, 2002
    • Mitsubishi Materials Corporation
    • Saburo Wakita
    • C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF MANUFACTURING RING-ROLLED ELEMENT
    • Publication number 20230043008
    • Publication date Feb 9, 2023
    • Hitachi Metals, Ltd.
    • Kazuya MUSHA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR MANUFACTURING RING-ROLLED PRODUCT
    • Publication number 20200306817
    • Publication date Oct 1, 2020
    • Hitachi Metals, Ltd.
    • Takuya MURAI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR MANUFACTURING RING-ROLLED PRODUCT
    • Publication number 20200306818
    • Publication date Oct 1, 2020
    • Hitachi Metals, Ltd.
    • Takuya MURAI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    RING MOLDED ARTICLE MANUFACTURING METHOD
    • Publication number 20170297080
    • Publication date Oct 19, 2017
    • HITACHI METALS MMC SUPERALLOY, LTD.
    • Yuji ISHIWARI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD OF MANUFACTURING ANNULAR MOLDING
    • Publication number 20140157851
    • Publication date Jun 12, 2014
    • MITSUBISHI MATERIALS CORPORATION
    • Hideo Takizawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    RING ROLLING MILL AND RING ROLLING METHOD
    • Publication number 20130180302
    • Publication date Jul 18, 2013
    • MITSUBISHI MATERIALS CORPORATION
    • Shimpei Hirose
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    RING-SHAPED DISK FOR GAS TURBINE
    • Publication number 20110158844
    • Publication date Jun 30, 2011
    • Jun Ohsone
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    RING ROLLING MILL AND RING ROLLING METHOD
    • Publication number 20100236311
    • Publication date Sep 23, 2010
    • MITSUBISHI MATERIALS CORPORATION
    • Shimpei Hirose
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method for producing crystalline silicon
    • Publication number 20020139297
    • Publication date Oct 3, 2002
    • MITSUBISHI MATERIALS CORPORATION
    • Saburo Wakita
    • C30 - CRYSTAL GROWTH