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Yoshimitsu Ishihara

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  • Tochigi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hot bulge forming die apparatus
    • Patent number 8,408,034
    • Issue date Apr 2, 2013
    • Honda Motor Co., Ltd.
    • Yoshimitsu Ishihara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Press forming die set and method
    • Patent number 7,861,568
    • Issue date Jan 4, 2011
    • Honda Motor Co., Ltd.
    • Tsuyoshi Nakamura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    BLANK MATERIAL, METHOD FOR PRESS MOLDING BLANK MATERIAL, AND PRESS...
    • Publication number 20200391271
    • Publication date Dec 17, 2020
    • HONDA MOTOR CO., LTD.
    • Shingo Maeda
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    APPARATUS AND METHOD OF HOT BULGE FORMING, AND PRODUCT FORMED BY HO...
    • Publication number 20110023568
    • Publication date Feb 3, 2011
    • Honda Motor Co., Ltd.
    • Daisuke Yamamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    HOT BULGE FORMING DIE APPARATUS
    • Publication number 20110016947
    • Publication date Jan 27, 2011
    • Honda Motor Co., Ltd.
    • Yoshimitsu Ishihara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PRESS FORMING DIE SET AND METHOD
    • Publication number 20080184764
    • Publication date Aug 7, 2008
    • Honda Motor Co., Ltd.
    • Tsuyoshi Nakamura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...