Patents by Inventor Kiyokazu NITTA

Kiyokazu NITTA 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: 11142049
    Abstract: Provided is a resin back door for a hatchback vehicle including a resin inner panel, a resin outer panel, and a lower-side reinforcing member made of metal extending in a vehicle width direction to be fixed to a lower side portion of the inner panel. The lower-side reinforcing member is locked to a vehicle lower structure via a door lock mechanism when the resin back door is closed.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 12, 2021
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Takayuki Okubo, Kiyokazu Nitta, Futoshi Saito
  • Patent number: 10773576
    Abstract: A resin back door includes an inner panel, an upper outer panel, and a reinforcing member fixed to the inner panel, and the upper outer panel and the reinforcing member are fastened with a bolt. In the resin back door, the reinforcing member has a flat plate portion extending along an inner surface of the upper outer panel, the reinforcing member has a fastened portion formed as an arm extending after bending from the flat plate portion toward the upper outer panel, and the upper outer panel has a fastened portion formed as a thin thickness portion having a plate thickness smaller than that of a general portion.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: September 15, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Takayuki Okubo, Kiyokazu Nitta
  • Patent number: 10773577
    Abstract: A vehicle rear door made of resin includes an inner panel having a rear window opening, a lower outer panel including an edge portion which is secured to the inner panel along a periphery portion of the rear window opening, a rear window glass attached to the edge portion of the lower outer panel on an exterior side of a passenger compartment, and an interior trim attached to the interior panel on an interior side of the passenger compartment. An edge portion of the interior trim is secured to a rib of the inner panel disposed at a front edge of the inner panel along the peripheral portion of the rear window opening.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: September 15, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Takayuki Okubo, Kiyokazu Nitta
  • Patent number: 10723209
    Abstract: A resin back door includes a resin inner panel, a resin lower outer panel, and a metal reinforcing member disposed in a hollow space defined by the inner panel and the lower outer panel. In the resin back door, the reinforcing member has an annular shape extending along an outer peripheral edge of the inner panel, and includes right and left reinforcing members and a lower-side reinforcing member which are separated from each other and fixed to the inner panel with an adhesive leaving a gap. The reinforcing members are connected by using right and left corner connecting members and an upper connecting member to constitute the reinforcing member.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: July 28, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Takayuki Okubo, Kiyokazu Nitta, Keigo Nakamura, Yoshito Fujimoto, Yuuki Katou
  • Publication number: 20190217690
    Abstract: A vehicle rear door made of resin includes an inner panel having a rear window opening, a lower outer panel including an edge portion which is secured to the inner panel along a periphery portion of the rear window opening, a rear window glass attached to the edge portion of the lower outer panel on an exterior side of a passenger compartment, and an interior trim attached to the interior panel on an interior side of the passenger compartment. An edge portion of the interior trim is secured to a rib of the inner panel disposed at a front edge of the inner panel along the peripheral portion of the rear window opening.
    Type: Application
    Filed: January 10, 2019
    Publication date: July 18, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji CHIBA, Takayuki OKUBO, Kiyokazu NITTA
  • Publication number: 20190193535
    Abstract: When a resin back door closes a door opening, a design surface of an inner vertical wall on the inner side in a vehicle width direction is substantially flush with a design surface of an inner garnish attached to the inner periphery of the door opening.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 27, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji CHIBA, Takayuki OKUBO, Kiyokazu NITTA
  • Publication number: 20190193533
    Abstract: Provided is a resin back door for a hatchback vehicle including a resin inner panel, a resin outer panel, and a lower-side reinforcing member made of metal extending in a vehicle width direction to be fixed to a lower side portion of the inner panel. The lower-side reinforcing member is locked to a vehicle lower structure via a door lock mechanism when the resin back door is closed.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji CHIBA, Takayuki OKUBO, Kiyokazu NITTA, Futoshi SAITO
  • Publication number: 20190184797
    Abstract: A resin back door includes an inner panel, an upper outer panel, and a reinforcing member fixed to the inner panel, and the upper outer panel and the reinforcing member are fastened with a bolt. In the resin back door, the reinforcing member has a flat plate portion extending along an inner surface of the upper outer panel, the reinforcing member has a fastened portion formed as an arm extending after bending from the flat plate portion toward the upper outer panel, and the upper outer panel has a fastened portion formed as a thin thickness portion having a plate thickness smaller than that of a general portion.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 20, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji CHIBA, Takayuki OKUBO, Kiyokazu NITTA
  • Publication number: 20190184798
    Abstract: A resin back door includes a resin inner panel, a resin lower outer panel, and a metal reinforcing member disposed in a hollow space defined by the inner panel and the lower outer panel. In the resin back door, the reinforcing member has an annular shape extending along an outer peripheral edge of the inner panel, and includes right and left reinforcing members and a lower-side reinforcing member which are separated from each other and fixed to the inner panel with an adhesive leaving a gap. The reinforcing members are connected by using right and left corner connecting members and an upper connecting member to constitute the reinforcing member.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 20, 2019
    Applicants: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kyushu Kabushiki Kaisha
    Inventors: Kenji CHIBA, Takayuki Okubo, Kiyokazu Nitta, Keigo Nakamura, Yoshito Fujimoto, Yuuki Katou