TREA

Hiroyuki KUROKAWA

Follow

Person

  • Nishinomiya-shi, Hyogo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for manufacturing forged crankshaft
    • Patent number 10,828,693
    • Issue date Nov 10, 2020
    • Nippon Steel Corporation
    • Tomohisa Yamashita
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing forged crankshaft
    • Patent number 10,464,120
    • Issue date Nov 5, 2019
    • Nippon Steel Corporation
    • Kenji Tamura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing forged crankshaft
    • Patent number 10,441,995
    • Issue date Oct 15, 2019
    • Nippon Steel Corporation
    • Sho Takamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing forged crankshaft
    • Patent number 10,413,965
    • Issue date Sep 17, 2019
    • Nippon Steel Corporation
    • Sho Takamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a forged crankshaft
    • Patent number 10,350,671
    • Issue date Jul 16, 2019
    • Nippon Steel & Sumitomo Metal Corporation
    • Kenji Tamura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a forged crankshaft
    • Patent number 10,124,398
    • Issue date Nov 13, 2018
    • Nippon Steel & Sumitomo Metal Corporation
    • Kenji Tamura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing a forged crankshaft
    • Patent number 10,086,425
    • Issue date Oct 2, 2018
    • Nippon Steel & Sumitomo Metal Corporation
    • Kenji Tamura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a forged crankshaft
    • Patent number 10,058,912
    • Issue date Aug 28, 2018
    • Nippon Steel & Sumitomo Metal Corporation
    • Kenji Tamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS AND METHOD FOR MANUFACTURING FORGED CRANKSHAFT
    • Publication number 20180169742
    • Publication date Jun 21, 2018
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Tomohisa YAMASHITA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    APPARATUS FOR MANUFACTURING FORGED CRANKSHAFT
    • Publication number 20180147621
    • Publication date May 31, 2018
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Tomohisa YAMASHITA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    METHOD FOR PRODUCING FORGED CRANKSHAFT
    • Publication number 20180111185
    • Publication date Apr 26, 2018
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Sho TAKAMOTO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR PRODUCING FORGED CRANKSHAFT
    • Publication number 20180078994
    • Publication date Mar 22, 2018
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Kenji TAMURA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR PRODUCING FORGED CRANKSHAFT
    • Publication number 20180056372
    • Publication date Mar 1, 2018
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Sho Takamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR PRODUCING A FORGED CRANKSHAFT
    • Publication number 20170189955
    • Publication date Jul 6, 2017
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Kenji TAMURA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR PRODUCING A FORGED CRANKSHAFT
    • Publication number 20160271684
    • Publication date Sep 22, 2016
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Kenji TAMURA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR PRODUCING A FORGED CRANKSHAFT
    • Publication number 20160256917
    • Publication date Sep 8, 2016
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Kenji TAMURA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR PRODUCING A FORGED CRANKSHAFT
    • Publication number 20160250679
    • Publication date Sep 1, 2016
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Kenji TAMURA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...