Patents by Inventor Koki Ikeda

Koki Ikeda 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: 9150256
    Abstract: A vehicle hood structure capable of improving impact absorption ability prior to a secondary impact when an impacting body impacts the hood. Front end portions of beads of a wave shaped section are arranged in a line in hood plan view. A front wall section is provided further to the hood front side than the wave shaped section and is formed inclined towards the hood bottom side on progression towards the hood front and running substantially along the vehicle width direction. The wave shaped section and the front wall section are connected together by a ledge section formed running substantially along the hood width direction.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: October 6, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Seiho Yonezawa, Koki Ikeda, Shinya Atsumi, Nao Nakagawa
  • Publication number: 20150180078
    Abstract: A resin panel structure capable of improving positioning precision of a resin panel is provided. A resin panel structure includes a fiber reinforced plastic upper panel, a fiber reinforced plastic lower panel disposed below the upper panel, a fiber reinforced plastic core panel that is installed between the upper panel and the lower panel and joined to the upper panel and the lower panel, and includes an opening into which a portion of the upper panel or a portion of the lower panel is inserted, and a joining member that joins the upper panel or the lower panel that is inserted into the opening, and the other of the upper panel or the lower panel, together.
    Type: Application
    Filed: December 16, 2014
    Publication date: June 25, 2015
    Inventors: Koki IKEDA, Tomohiro SAKURAI, Kentaro NAKAMURA
  • Publication number: 20150174996
    Abstract: A vehicle battery mounting structure includes a battery frame that is disposed at a vehicle lower side of a floor panel, and is made from resin; a ductile member that includes a main body joined to the battery frame and a flange contiguously formed at a vehicle width direction outside end of the main body, the flange having a hole, and the ductile member being fastened to a lower face of the floor panel using a fastener inserted through the hole; and a fastening portion that is formed in a region including the hole, having a substantially hat shaped cross-section profile projecting toward a vehicle upper side and having ridge lines on vehicle front-rear direction sides of the region, and the ridge lines being formed with curved or bent shape toward directions heading away from the hole on progression toward a vehicle width direction inside in plan view.
    Type: Application
    Filed: December 10, 2014
    Publication date: June 25, 2015
    Inventors: Koki IKEDA, Kiyoshi HOKAZONO, Shinya KAMIMURA, Kentaro NAKAMURA
  • Patent number: 9033407
    Abstract: A hood structure that is for a vehicle and that can cause an increase in energy absorption performance when colliding with a collided object. An undulating section wherein beads and concavities are provided in alternation along the widthwise direction of the hood and that has a wavy shape in a cross sectional view is formed at nearly the entire central region of a hood inner panel. In the cross section of the wavy shape of the undulating section, the widthwise measurement between the peaks of the beads that are formed on both adjacent sides of any given bead aside from the two on the ends among the plurality of beads is set in a manner so as to be smaller than 165 mm, which is the outer diameter of a head impactor that simulates the head of a pedestrian.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: May 19, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koki Ikeda, Seiho Yonezawa
  • Patent number: 9027987
    Abstract: A hood inner panel that is provided with plural wave-shaped portions that extend in a vehicle longitudinal direction is provided at a vehicle lower side of a hood outer panel. A lock reinforcement is disposed at a lower side of a vehicle front of the hood inner panel. Front end portions of the plural wave-shaped portions of the hood inner panel are positioned further toward a vehicle front side than a rear end portion of the lock reinforcement.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: May 12, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koki Ikeda, Seiho Yonezawa, Tsuyoshi Izuhara
  • Patent number: 8991908
    Abstract: A vehicle hood structure capable of both raising the energy absorbing ability when an impacting body has impacted a hood and enhancing deformation properties of the hood during a frontal collision. A framework formation section configuring a central region in a hood inner panel is provided with beads and indented portions formed to extend along the hood front-rear direction. Plural through holes are formed at a hood front-rear direction substantially central portion of the framework formation section in a row along the hood width direction. The through holes are formed in bottom portions of the indented portions. Beads are also formed in the two hood width direction edge portions in positions aligned with the hood front-rear direction positions of the through holes.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: March 31, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koki Ikeda, Seiho Yonezawa
  • Publication number: 20150048652
    Abstract: This provides a vehicle body structure including: a lower panel made of resin, which has a lower wall that forms a lower portion of a floor portion, an outer front wall that is placed to extend from a vehicle body front end of the lower wall to an upper direction of a vehicle body, and an outer back wall that is placed to extend from a vehicle body backside end of the lower wall to the upper direction of the vehicle body; and an upper panel made of resin, which has upper walls that form an upper portion of the floor portion opposite to the lower wall, an inner front wall that is placed to extend from the vehicle body front ends of the upper walls to the upper direction of the vehicle body and joined to the outer front wall and consequently forms a closed cross-section shape that extends in a vehicle width direction while including both of left and right ends at an upper portion of the outer front wall, and an inner back wall that is placed to extend from the vehicle body backside ends of the upper walls to th
    Type: Application
    Filed: March 1, 2012
    Publication date: February 19, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Sho Maeda, Yoshitaka Sotoyama, Koki Ikeda
  • Patent number: 8894130
    Abstract: A vehicle lower section structure is obtained that has a simple structure and is capable of increasing the rigidity and strength of a framework structure that is long in the vehicle front-rear direction. A vehicle lower section structure includes: an upper panel including a pair of respectively vehicle-downwards facing joining faces that are separated from each other in the vehicle width direction; a lower panel that with the upper panel configures a framework structure that is long in the vehicle front-rear direction and has a closed cross-section by the joining faces of the upper panel being joined to vehicle-upwards facing joining faces of the lower panel; and a seat rail that is long in the vehicle front-rear direction and is fixed to a portion of the upper panel that configures an upper wall of the closed cross-section of the framework structure.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: November 25, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroaki Iwamoto, Koki Ikeda, Yasuyuki Hihara
  • Publication number: 20140300141
    Abstract: Rocker portions and a tunnel portion that serve as frame portions extend along a vehicle longitudinal direction respectively at vehicle transverse direction both end portions of an upper floor and a vehicle transverse direction central portion of an upper floor. On the other hand, a dash panel or a back panel is provided erect respectively at a front end portion of a lower floor (22) and a rear end portion of a lower floor. Here, abutment portions are provided at front end portions of the rocker portions and the tunnel portion respectively, and planarly contact an inner surface of the dash panel. Further, abutment portions are provided at rear end portions of the rocker portions and the tunnel portion respectively, and planarly contact an inner surface of the back panel.
    Type: Application
    Filed: November 7, 2011
    Publication date: October 9, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasuyuki Hihara, Koki Ikeda, Sho Maeda, Yoshitaka Sotoyama
  • Publication number: 20140062142
    Abstract: A hood inner panel that is provided with plural wave-shaped portions that extend in a vehicle longitudinal direction is provided at a vehicle lower side of a hood outer panel. A lock reinforcement is disposed at a lower side of a vehicle front of the hood inner panel. Front end portions of the plural wave-shaped portions of the hood inner panel are positioned further toward a vehicle front side than a rear end portion of the lock reinforcement.
    Type: Application
    Filed: May 18, 2011
    Publication date: March 6, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koki Ikeda, Seiho Yonezawa, Tsuyoshi Izuhara
  • Patent number: 8636093
    Abstract: To obtain a vehicle body lower portion structure that can efficiently absorb and disperse load of a front or rear collision including an offset collision or an oblique collision, and transmit the load to an underbody. A vehicle body lower portion structure has an underbody at which a dash lower portion and a lower back portion are provided to stand from both ends in a vehicle front-rear direction at a floor portion, a suspension member the length direction thereof is along a vehicle transverse direction and is joined to the underbody in a state of planarly-contacting a front surface of the dash lower portion, and a front EA member a length direction thereof is along the vehicle transverse direction and is joined to a front wall of the suspension member.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: January 28, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yoshitaka Sotoyama, Koki Ikeda, Shigeru Inamori, Kazuhiro Seki, Hiroaki Iwamoto, Masahiro Ono, Sho Maeda
  • Publication number: 20130320713
    Abstract: A vehicle lower section structure is obtained that has a simple structure and is capable of increasing the rigidity and strength of a framework structure that is long in the vehicle front-rear direction. A vehicle lower section structure includes: an upper panel including a pair of respectively vehicle-downwards facing joining faces that are separated from each other in the vehicle width direction; a lower panel that with the upper panel configures a framework structure that is long in the vehicle front-rear direction and has a closed cross-section by the joining faces of the upper panel being joined to vehicle-upwards facing joining faces of the lower panel; and a seat rail that is long in the vehicle front-rear direction and is fixed to a portion of the upper panel that configures an upper wall of the closed cross-section of the framework structure.
    Type: Application
    Filed: February 15, 2011
    Publication date: December 5, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroaki Iwamoto, Koki Ikeda, Yasuyuki Hihara
  • Publication number: 20130169593
    Abstract: Provided is a touch panel device which prevents a problem such as generation of Newton's rings even if an air layer between the touch panel device and a display device has a small thickness. This capacitance type touch panel device (100) includes: a protective transparent base (10) having an observation-side surface and a display device-side surface; and two polymer films with position detection electrode layers (20b, 22; 30b, 32) which are arranged on the display device-side surface of the protective transparent base. The difference between the minimum value and the maximum value of the linear expansion coefficients in the surface direction of all the polymer films (20b; 30b) arranged on the display device-side surface of the protective transparent base is 10.0×10?6 cm/cm. ° C. or below. Furthermore, the display device with a touch panel device (100, 200, 300) according to the present invention has such a touch panel device.
    Type: Application
    Filed: September 8, 2011
    Publication date: July 4, 2013
    Applicant: TEIJIN CHEMICALS LTD.
    Inventors: Koichi Imamura, Haruhiko Ito, Koki Ikeda
  • Publication number: 20130154308
    Abstract: To obtain a vehicle body lower portion structure that can efficiently absorb and disperse load of a front or rear collision including an offset collision or an oblique collision, and transmit the load to an underbody. A vehicle body lower portion structure has an underbody at which a dash lower portion and a lower back portion are provided to stand from both ends in a vehicle front-rear direction at a floor portion, a suspension member the length direction thereof is along a vehicle transverse direction and is joined to the underbody in a state of planarly-contacting a front surface of the dash lower portion, and a front EA member a length direction thereof is along the vehicle transverse direction and is joined to a front wall of the suspension member.
    Type: Application
    Filed: August 30, 2010
    Publication date: June 20, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshitaka Sotoyama, Koki Ikeda, Shigeru Inamori, Kazuhiro Seki, Hiroaki Iwamoto, Masahiro Ono, Sho Maeda
  • Patent number: 8434815
    Abstract: A plurality of beads (2) extending in the vehicle longitudinal direction are formed parallel to each other lined up in the vehicle width direction on an inner panel (1). Accordingly, an upper flange (5), a vertical wall (4), a lower flange (3), and a vertical wall (4) are formed connected in this order at a cross-section in the vehicle width direction. The vertical wall (4) includes a lower vertical wall (4a) and an upper vertical wall (4b), and there is a bend line (4c) at the boundary between the two which is bent. The inclination angle of the upper vertical wall (4b) is between 30° and 60° inclusive, which is greater than the inclination angle of the lower vertical wall (4a). The bend line (4c) is positioned more than ½ way up between the lower flange (3) and the upper flange (5) so as to be closer to the upper flange (5) than the lower flange (3).
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: May 7, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masatoshi Yoshida, Koji Fukumoto, Koki Ikeda
  • Publication number: 20130106142
    Abstract: A vehicle hood structure capable of improving impact absorption ability prior to a secondary impact when an impacting body impacts the hood. Front end portions of beads of a wave shaped section are arranged in a line in hood plan view. A front wall section is provided further to the hood front side than the wave shaped section and is formed inclined towards the hood bottom side on progression towards the hood front and running substantially along the vehicle width direction. The wave shaped section and the front wall section are connected together by a ledge section formed running substantially along the hood width direction.
    Type: Application
    Filed: July 8, 2010
    Publication date: May 2, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Seiho Yonezawa, Koki Ikeda, Shinya Atsumi, Nao Nakagawa
  • Patent number: 8403405
    Abstract: A hood lock reinforcement is configured as a result of a thick sheet and a thin sheet whose sheet thicknesses are mutually different being joined, and in this hood lock reinforcement, a bottom portion including a site to which a striker is fixed is configured by the thick sheet and is disposed on a bottom wall portion of a hood inner panel. Further, an extension portion disposed extending from a hood front-rear direction rear end of the bottom portion of the hood lock reinforcement toward a hood outer panel side has a site on the hood outer panel side whose sheet thickness is set thin as compared to the sheet thickness of the bottom portion of the hood lock reinforcement as a result of that site being configured by the thin sheet.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: March 26, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koki Ikeda, Yasuhiko Katsumata, Koshi Okada
  • Publication number: 20130015682
    Abstract: A hood structure that is for a vehicle and that can cause an increase in energy absorption performance when colliding with a collided object. An undulating section wherein beads and concavities are provided in alternation along the widthwise direction of the hood and that has a wavy shape in a cross sectional view is formed at nearly the entire central region of a hood inner panel. In the cross section of the wavy shape of the undulating section, the widthwise measurement between the peaks of the beads that are formed on both adjacent sides of any given bead side from the two on the ends among the plurality of beads is set in a manner so as to be smaller than 165 mm, which is the outer diameter of a head impactor that simulates the head of a pedestrian.
    Type: Application
    Filed: March 26, 2010
    Publication date: January 17, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koki Ikeda, Seiho Yonezawa
  • Publication number: 20120285759
    Abstract: A vehicle hood structure capable of both raising the energy absorbing ability when an impacting body has impacted a hood and enhancing deformation properties of the hood during a frontal collision. A framework formation section configuring a central region in a hood inner panel is provided with beads and indented portions formed to extend along the hood front-rear direction. Plural through holes are formed at a hood front-rear direction substantially central portion of the framework formation section in a row along the hood width direction. The through holes are formed in bottom portions of the indented portions. Beads are also formed in the two hood width direction edge portions in positions aligned with the hood front-rear direction positions of the through holes.
    Type: Application
    Filed: December 28, 2009
    Publication date: November 15, 2012
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koki Ikeda, Seiho Yonezawa
  • Publication number: 20110169303
    Abstract: A hood lock reinforcement is configured as a result of a thick sheet and a thin sheet whose sheet thicknesses are mutually different being joined, and in this hood lock reinforcement, a bottom portion including a site to which a striker is fixed is configured by the thick sheet and is disposed on a bottom wall portion of a hood inner panel. Further, an extension portion disposed extending from a hood front-rear direction rear end of the bottom portion of the hood lock reinforcement toward a hood outer panel side has a site on the hood outer panel side whose sheet thickness is set thin as compared to the sheet thickness of the bottom portion of the hood lock reinforcement as a result of that site being configured by the thin sheet.
    Type: Application
    Filed: April 21, 2009
    Publication date: July 14, 2011
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koki Ikeda, Yasuhiko Katsumata, Koshi Okada