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).
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Patent number: 11142049Abstract: 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: GrantFiled: December 21, 2018Date of Patent: October 12, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHAInventors: Kenji Chiba, Takayuki Okubo, Kiyokazu Nitta, Futoshi Saito
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Patent number: 10773576Abstract: 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: GrantFiled: December 11, 2018Date of Patent: September 15, 2020Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHAInventors: Kenji Chiba, Takayuki Okubo, Kiyokazu Nitta
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Patent number: 10773577Abstract: 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: GrantFiled: January 10, 2019Date of Patent: September 15, 2020Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHAInventors: Kenji Chiba, Takayuki Okubo, Kiyokazu Nitta
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Patent number: 10723209Abstract: 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: GrantFiled: December 19, 2018Date of Patent: July 28, 2020Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHAInventors: Kenji Chiba, Takayuki Okubo, Kiyokazu Nitta, Keigo Nakamura, Yoshito Fujimoto, Yuuki Katou
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Publication number: 20190217690Abstract: 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: ApplicationFiled: January 10, 2019Publication date: July 18, 2019Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHAInventors: Kenji CHIBA, Takayuki OKUBO, Kiyokazu NITTA
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Publication number: 20190193535Abstract: 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: ApplicationFiled: December 12, 2018Publication date: June 27, 2019Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHAInventors: Kenji CHIBA, Takayuki OKUBO, Kiyokazu NITTA
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Publication number: 20190193533Abstract: 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: ApplicationFiled: December 21, 2018Publication date: June 27, 2019Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHAInventors: Kenji CHIBA, Takayuki OKUBO, Kiyokazu NITTA, Futoshi SAITO
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Publication number: 20190184797Abstract: 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: ApplicationFiled: December 11, 2018Publication date: June 20, 2019Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHAInventors: Kenji CHIBA, Takayuki OKUBO, Kiyokazu NITTA
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Publication number: 20190184798Abstract: 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: ApplicationFiled: December 19, 2018Publication date: June 20, 2019Applicants: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kyushu Kabushiki KaishaInventors: Kenji CHIBA, Takayuki Okubo, Kiyokazu Nitta, Keigo Nakamura, Yoshito Fujimoto, Yuuki Katou