TREA

Toshihiko Obata

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plate reduction press apparatus and methods
    • Patent number 6,467,323
    • Issue date Oct 22, 2002
    • Ishikawajma-Harima Heavy Industries, Co., LTD
    • Shigeki Narushima
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Plate reduction press apparatus and methods
    • Patent number 6,341,516
    • Issue date Jan 29, 2002
    • Ishikawajima-Harima Heavy Industries Co., Ltd.
    • Shigeki Narushima
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Plate reduction press apparatus and methods
    • Publication number 20030192360
    • Publication date Oct 16, 2003
    • Ishikawajima-Harima Heavy Industries Co., Ltd.
    • Shigeki Narushima
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Plate reduction press apparatus and methods
    • Publication number 20030188559
    • Publication date Oct 9, 2003
    • Ishikawajima-Harima Heavy Industries Co., Ltd.
    • Shigeki Narushima
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Plate reduction press apparatus and methods
    • Publication number 20020104356
    • Publication date Aug 8, 2002
    • Ishikawajima-Harima Heavy Industries Co., Ltd.
    • Shigeki Narushima
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...