Patents by Inventor Kenji Chiba

Kenji Chiba 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: 11951229
    Abstract: To provide a liquid medical material maintaining a colloid in a more sol form than a solid at normal temperature, having a higher function as a wound dressing material and a hemostatic material than fibrin glue, and being able to be produced safely and inexpensively. A gelatin aqueous solution including calcium at a concentration of 0.2 M or more and 1.0 M or less, and having a concentration of 5% by weight or more and 40% by weight or less, an average molecular weight of 80,000 or more and 120,000 or less, and a molecular weight distribution of 20,000 or more and 300,000 or less, and transglutaminase inducing crosslinking of the gelatin, are included. It is preferable that the calcium has a concentration of 0.2 M or more and 0.7 M or less, the gelatin has a bloom of 160 or more and 250 or less, and the transglutaminase has activity per unit of 36 U/ml to 400 U/ml.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: April 9, 2024
    Assignees: AOBAKASEI KABUSHIKI KAISHA, OSAKA CITY UNIVERSITY IN UNIVERSITY PUBLIC CORPORATION OSAKA
    Inventors: Hirotsugu Kido, Katsunori Chiba, Hironori Arima, Kenji Ohata
  • Publication number: 20240068475
    Abstract: A screw compressor for compressing a working medium sucked through a suction opening and discharging the compressed working medium through a delivery opening, wherein the screw compressor includes: a male rotor and a female rotor that rotate while meshing with each other; a casing that houses the male rotor and the female rotor and is provided with a bore which forms a working chamber designed, together with the male rotor and the female rotor, to compress the working medium; a drive unit that rotationally drives at least one of the male rotor and the female rotor; a working chamber closing unit that forms a suction port for sucking the working medium into the working chamber and closes the working chamber when the working chamber reaches a specified capacity; and a suction space that connects the suction opening and the suction port to allow communication therebetween, wherein an open space that connects the suction opening and the suction port to allow communication therebetween is provided between a shaft
    Type: Application
    Filed: March 28, 2022
    Publication date: February 29, 2024
    Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Shuhei NAGATA, Shigeyuki YORIKANE, Kenji MORITA, Yuta KAJIE
  • 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: 10773753
    Abstract: Roof side rails are in a closed cross-section structure, each formed by a rail outer member and a rail inner member. A reinforcing member is disposed in the closed cross-section structure at a position where each roof side rail is connected to a roof cross member. The reinforcing member includes a base bonded to the rail outer member, a facing plate facing the rail inner member, and a supporting wall standing on the base to support the facing plate.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: September 15, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Keisuke Yasuda
  • 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
  • Patent number: 10696330
    Abstract: A roof panel is attached to a roof opening reinforcement that reinforces an area around an opening. The roof opening reinforcement has a rear side portion that extends in the lateral direction along the rear edge of the opening. The upper surface of the rear side portion of the roof opening reinforcement, or a roof panel opposed surface, extends along the lower surface of the roof panel. Extended reinforcements are disposed corresponding to the respective rear corners of the opening. The extended reinforcement extends toward the roof side rails as if forming an extension of the roof panel opposed surface, and is attached to the roof panel near where the roof panel is attached to the roof side rails.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: June 30, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Keisuke Yasuda
  • Patent number: 10661640
    Abstract: A resin back door for a vehicle includes a resin inner panel, a resin lower outer panel, a metal left reinforcing member, and a damper stay bracket. The metal left reinforcing member is disposed in a hollow space defined by the inner panel and the lower outer panel, and is fixed to the inner panel with an adhesive leaving a gap. The damper stay bracket is attached on an outer side of the inner panel in a vehicle width direction. In the resin back door for a vehicle, the damper stay bracket is fastened to the left reinforcing member across a collar having one end inserted into a hole provided in the inner panel.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: May 26, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Takayuki Okubo, Shingo Koyama
  • Publication number: 20190225277
    Abstract: Roof side rails are in a closed cross-section structure, each formed by a rail outer member and a rail inner member. A reinforcing member is disposed in the closed cross-section structure at a position where each roof side rail is connected to a roof cross member. The reinforcing member includes a base bonded to the rail outer member, a facing plate facing the rail inner member, and a supporting wall standing on the base to support the facing plate.
    Type: Application
    Filed: January 22, 2019
    Publication date: July 25, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Keisuke Yasuda
  • Publication number: 20190225278
    Abstract: A roof panel is attached to a roof opening reinforcement that reinforces an area around an opening. The roof opening reinforcement has a rear side portion that extends in the lateral direction along the rear edge of the opening. The upper surface of the rear side portion of the roof opening reinforcement, or a roof panel opposed surface, extends along the lower surface of the roof panel. Extended reinforcements are disposed corresponding to the respective rear corners of the opening. The extended reinforcement extends toward the roof side rails as if forming an extension of the roof panel opposed surface, and is attached to the roof panel near where the roof panel is attached to the roof side rails.
    Type: Application
    Filed: January 23, 2019
    Publication date: July 25, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji CHIBA, Keisuke YASUDA
  • 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: 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: 20190193534
    Abstract: A resin back door for a vehicle includes a resin inner panel, a resin lower outer panel, a metal left reinforcing member, and a damper stay bracket. The metal left reinforcing member is disposed in a hollow space defined by the inner panel and the lower outer panel, and is fixed to the inner panel with an adhesive leaving a gap. The damper stay bracket is attached on an outer side of the inner panel in a vehicle width direction. In the resin back door for a vehicle, the damper stay bracket is fastened to the left reinforcing member across a collar having one end inserted into a hole provided in the inner panel.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 27, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA
    Inventors: Kenji CHIBA, Takayuki OKUBO, Shingo KOYAMA
  • 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: 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
  • 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
  • Patent number: 9821853
    Abstract: In a vehicle front part structure of a vehicle body, a gusset member is disposed in front of a front pillar. The gusset member is positioned so as to overlap with at least a front tire in the vertical direction of the vehicle body. The gusset member covers at least a portion of a lower portion of the front pillar on a front side in the longitudinal direction of the vehicle body. The gusset member has a stepped portion on a front side thereof in the longitudinal direction of the vehicle body. The stepped portion extends in the vertical direction of the vehicle body and makes a portion of the gusset member disposed inside in the vehicle width direction positioned relatively in front of a portion of the gusset member disposed outside in the vehicle width direction in the longitudinal direction of the vehicle body.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: November 21, 2017
    Assignees: TOYOTA JIDOSHA KYUSHU KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasushi Torikawa, Shigeru Kaji, Kenji Chiba
  • Patent number: 9522637
    Abstract: A vehicle exterior member attaching structure for attaching a vehicle exterior member onto a protruding target location of a vehicle includes a vehicle engagement portion located at a target section, an attachment hole located at the target section, a covering portion located on the vehicle exterior member, an engagement portion located on the covering portion and configured to be engaged with the vehicle engagement portion, and an attachment piece located on the covering portion and configured to be inserted into the attachment hole. The covering portion and the attachment piece are integrally formed with a portion of the attachment piece connected to the covering portion forming a thin integral hinge.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: December 20, 2016
    Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Muneaki Inagaki
  • Patent number: 9340107
    Abstract: A support structure for a fuel lid attached by a hinge to a vehicle body is provided with an annular rubber seal, which is provided on the vehicle body to surround an oil filler port in the vehicle body. The rubber seal has a top surface and an inner circumferential surface. The support structure includes a contact plate provided on a back surface of the fuel lid. The contact plate contacts the rubber seal when the fuel lid is in the closed state. The contact plate has an upper surface contact portion for contacting the upper surface of the rubber seal, and an inner-surface contact portion for contacting the inner circumferential surface of the rubber seal.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: May 17, 2016
    Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kenji Chiba, Akihisa Okada, Nobukazu Kato, Yasuhiro Hatta, Hirofumi Arima