Patents by Inventor Shiyouhei Okuzumi

Shiyouhei Okuzumi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Press forming die assembly
    Patent number: 8056385
    Abstract: A press forming die assembly for press forming a blank material includes a draw forming portion that the blank material flows and a draw bead for controlling the amount of the blank material flowing into the draw forming portion. A first draw bead is provided at a periphery of the draw forming portion in a direction substantially parallel to an outer peripheral shape of the draw forming portion. A second draw bead extends from the first draw bead toward the outside of the draw forming portion in a direction intersecting the first draw bead. The blank material includes a thick sheet portion having a greater thickness than the other portion or a high rigidity portion having a higher rigidity than that of the other portion. The second draw bead is provided at a portion corresponding to the thick sheet portion or the high rigidity portion of the blank material.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: November 15, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Shiyouhei Okuzumi, Takeshi Sakurai, Shinichi Murakami, Tomio Hasegawa, Takashi Sera
  • PRESS FORMING DIE ASSEMBLY
    Publication number: 20090049886
    Abstract: A press forming die assembly for press forming a blank material includes a draw forming portion that the blank material flows and a draw bead for controlling the amount of the blank material flowing into the draw forming portion. A first draw bead is provided at a periphery of the draw forming portion in a direction substantially parallel to an outer peripheral shape of the draw forming portion. A second draw bead extends from the first draw bead toward the outside of the draw forming portion in a direction intersecting the first draw bead. The blank material includes a thick sheet portion having a greater thickness than the other portion or a high rigidity portion having a higher rigidity than that of the other portion. The second draw bead is provided at a portion corresponding to the thick sheet portion or the high rigidity portion of the blank material.
    Type: Application
    Filed: August 20, 2008
    Publication date: February 26, 2009
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Shiyouhei Okuzumi, Takeshi Sakurai, Shinichi Murakami, Tomio Hasegawa, Takashi Sera