Patents by Inventor Kei Misawa

Kei Misawa 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).

  • Patent number: 10946427
    Abstract: A blank that is a material for an elongated press formed article having a substantially hat shaped lateral cross-section profile including a top plate section, a ridge line section, a flange section, and vertical wall section, and configured with a first portion in which the top plate section has a fixed width, and a second portion including a curved portion in which the top plate section exhibits an L-shape in plan view due to the vertical wall section, the ridge line section, and the flange section curving along with the width of the top plate section gradually increasing. The blank has a shape of an opened-out shape of the press formed article, additionally with a first recess, a protrusion, and a second recess provided to an edge of an excess portion additionally provided at an edge of a location that will form the flange section configuring the curved portion.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: March 16, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Takashi Miyagi, Kei Misawa, Yasuharu Tanaka, Misao Ogawa, Toshimitsu Aso
  • Patent number: 9839954
    Abstract: A center pillar reinforcement is produced satisfactorily by using a high-tensile material having a low ductility as a blank. The center pillar reinforcement is produced by performing a first step for producing a first intermediate formed product on which a body is partially formed by press-forming the blank using a first press-forming device for drawing, and a second step for pressing the first intermediate formed product by using a second press-forming device for bend-forming.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: December 12, 2017
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Takashi Miyagi, Yasuharu Tanaka, Misao Ogawa, Toshimitsu Aso, Kei Misawa, Hiroshi Yoshida, Kazuhiko Honda
  • Publication number: 20160082495
    Abstract: A blank that is a material for an elongated press formed article having a substantially hat shaped lateral cross-section profile including a top plate section, a ridge line section, a flange section, and vertical wall section, and configured with a first portion in which the top plate section has a fixed width, and a second portion including a curved portion in which the top plate section exhibits an L-shape in plan view due to the vertical wall section, the ridge line section, and the flange section curving along with the width of the top plate section gradually increasing. The blank has a shape of an opened-out shape of the press formed article, additionally with a first recess, a protrusion, and a second recess provided to an edge of an excess portion additionally provided at an edge of a location that will form the flange section configuring the curved portion.
    Type: Application
    Filed: May 13, 2014
    Publication date: March 24, 2016
    Inventors: Takashi MIYAGI, Kei MISAWA, Yasuharu TANAKA, Misao OGAWA, Toshimitsu ASO
  • Publication number: 20150273563
    Abstract: A center pillar reinforcement is produced satisfactorily by using a high-tensile material having a low ductility as a blank. The center pillar reinforcement is produced by performing a first step for producing a first intermediate formed product on which a body is partially formed by press-forming the blank using a first press-forming device for drawing, and a second step for pressing the first intermediate formed product by using a second press-forming device for bend-forming.
    Type: Application
    Filed: September 26, 2013
    Publication date: October 1, 2015
    Inventors: Takashi Miyagi, Yasuharu Tanaka, Misao Ogawa, Toshimitsu Aso, Kei Misawa, Hiroshi Yoshida, Kazuhiko Honda