Patents Assigned to Toyota Shatai Kabushiki Kaisha
  • Publication number: 20190229354
    Abstract: A fuel cell stack includes a plurality of power generation cells stacked and connected in series and coolant passages configured to circulate coolant. The power generation cells each include a membrane electrode assembly and two separators sandwiching the membrane electrode assembly. The separators are each formed by a metal plate. The coolant passages include through-holes extending through the separators and aligned in a stacking direction of the power generation cells. A method for manufacturing a fuel cell stack includes forming a coating of electrodeposition paint on surfaces of ones of the separators having a high electric potential in the fuel cell stack by operating the fuel cell stack and using the coolant that contains electrodeposition paint particles.
    Type: Application
    Filed: January 9, 2019
    Publication date: July 25, 2019
    Applicant: TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Eiichiro MOROZUMI, Michi HASHIBA
  • Patent number: 10347920
    Abstract: A gas channel forming plate is arranged between a membrane electrode assembly and a flat separator base. The gas channel forming plate includes gas channels arranged on a surface that faces the membrane electrode assembly, water channels each formed on the back side of the protrusion between an adjacent pair of the gas channels, communication passages that connect the gas channels and the water channels to each other, and guide portions formed by causing an inner wall surface of a gas channel to protrude inward in the gas channel. The guide portions are formed such that the upstream edge of each communication passage is arranged in a range in which, in the velocity vector of the gas flowing in the gas channel, the directional component directed from the side corresponding to the membrane electrode assembly toward the flat separator base has a positive value.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: July 9, 2019
    Assignee: TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Yoshinori Shinozaki, Satoshi Futami, Kousuke Kawajiri, Keiji Hashimoto
  • Patent number: 10286486
    Abstract: A welding apparatus radiates a laser beam to a welding position in a state where a focal spot of the laser beam is in a near-focusing state. The welding apparatus radiates the laser beam to the welding position in a state where the focal spot of the laser beam is in a far-focusing state. The welding apparatus radiates the laser beam to the welding position in the state where the focal spot of the laser beam is in the far-focusing state. The welding apparatus radiates the laser beam to the welding position in a state where the focal spot of the laser beam is in the near-focusing state.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: May 14, 2019
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Tomoyuki Tanoue, Jyunichiro Makino, Keiichiro Inagaki
  • Publication number: 20190112739
    Abstract: There is provided a sewing machine needle 10 including: a shank portion 11 that is attached to a sewing machine; and a shaft portion 12 that is provided on a front end side of the shank portion 11; wherein: a needle eye 13 is formed to penetrate the shaft portion 12, and a long groove 14 for guiding a thread from a position of the needle eye 13 toward the shank portion 11 is formed in the shaft portion 12; and a suppression portion 16 for suppressing movement of a needle thread 21 is provided in an intermediate portion of the long groove 14. Thus, it is possible to provide a sewing machine needle by which a loop can be formed stably and that causes few damage to a needle thread and can be also manufactured easily.
    Type: Application
    Filed: October 16, 2018
    Publication date: April 18, 2019
    Applicants: Organ Needle Co., Ltd., Toyota Shatai Kabushiki Kaisha
    Inventors: Chie Hasegawa, Yuji Ichikawa, Mai Mitsuya, Kazutaka Hakoyama, Kenji Kato, Yoshikazu Kohara
  • Patent number: 10263272
    Abstract: A gas passage forming body for a fuel battery includes gas passages and water guide passages. A communication passage is arranged between one of the water guide passages and a gas passage that is adjacent to the water guide passage and is in communication with the adjacent gas passage and water guide passage to permit water to move therethrough. An aid portion is arranged at water drainage ends of two adjacent ones of the water guide passages and aids bonding of water drained from the water drainage ends of the two adjacent ones of the water guide passages. Thus, water drainage from the water guide passages of the gas passage forming body is improved, and water in the gas passages is reduced. As a result, the battery performance of the fuel battery is improved due to an improvement in gas diffusion.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: April 16, 2019
    Assignee: Toyota Shatai Kabushiki Kaisha
    Inventors: Keiji Hashimoto, Kousuke Kawajiri, Satoshi Futami
  • Publication number: 20190103616
    Abstract: A gas flow passage formation plate includes projections arranged in a first direction and a second direction orthogonal to the first direction. The gas flow passage formation plate includes a gas flow passage formed by a portion of the gas flow passage formation plate at a side opposing a membrane electrode assembly including regions between adjacent projections, a water flow passage formed by a portion of the gas flow passage formation plate at a side opposing a partition plate including inside of the projections, and openings each formed in a side wall of the projection connecting inside and outside of the projection. In a state in which the openings sandwich the gas flow passage, the openings are arranged so as not to oppose and overlap each other in a direction orthogonal to a direction in which gas flows.
    Type: Application
    Filed: September 21, 2018
    Publication date: April 4, 2019
    Applicant: TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Hirotaka NAKAYAMA, Yoshinori SHINOZAKI, Satoshi FUTAMI
  • Publication number: 20190103617
    Abstract: A gas flow passage formation plate includes a plurality of projections arranged in a first direction and a second direction. The projections project toward a membrane electrode assembly. The gas flow passage formation plate further includes a gas flow passage, a water flow passage, and a plurality of openings. The gas flow passage is formed by a portion of the gas flow passage formation plate at a side opposing the membrane electrode assembly including regions between two adjacent projections. The water flow passage is formed by a portion of the gas flow passage formation plate at a side opposing a partition plate including the inside of the projections. The openings are each formed in a side wall of the projection connecting inside and outside of the projection. Each opening is arranged at only one location in one projection.
    Type: Application
    Filed: September 21, 2018
    Publication date: April 4, 2019
    Applicant: TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Hirotaka NAKAYAMA, Yoshinori SHINOZAKI, Satoshi FUTAMI
  • Publication number: 20190084512
    Abstract: The present disclosure provides a bumper reinforcement including: a bumper main body portion extending in a vehicle transverse direction and is provided at a vehicle longitudinal direction outer side of a pair of left and right side members, the pair of left and right side members being disposed at a vehicle front portion or a vehicle rear portion and extending in a vehicle longitudinal direction; and a reinforcing member formed of wood and is block-shaped, and that is disposed within a cross-section of at least a vehicle transverse direction central portion of the bumper main body portion, an axially central direction of annual growth rings of the wood of the reinforcing member being set to a direction that runs along the vehicle transverse direction.
    Type: Application
    Filed: July 30, 2018
    Publication date: March 21, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Junichi TAKAYANAGI, Toshihisa MIURA
  • Patent number: 10232803
    Abstract: Groove formation portions that define insertion grooves are located in two opposing inner sides of an opening of a main cover. Engagement shafts are located on side portions of the sub-cover that oppose the inner sides. The engagement shafts are insertable into the insertion grooves from an outside and have a thickness that is larger than a groove width of the insertion grooves. The groove formation portions are elastic and deformable to allow insertion of the engagement shafts when the engagement shafts are inserted from the outside. The groove formation portions elastically return to their original forms after insertion of the engagement shafts to engage the engagement shafts and restrict separation of the engagement shafts in a reverse direction. The groove formation portions support the sub-cover to allow the sub-cover to open while engaged with the engagement shafts.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: March 19, 2019
    Assignees: Toyota Shatai Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroaki Ichihara, Nobuyoshi Imaeda, Shuuichi Satou, Masaaki Uechi, Hideaki Hayashi, Atsutoshi Sakaguchi
  • Publication number: 20190016242
    Abstract: An interior part includes a base material and an outer skin material adhered to a front surface of the base material. The outer skin material includes a front surface formed with a stitch pattern of a thread inserted by engagement with a sewing needle to pass from a front surface of the outer skin material to a back surface of the base material to obliquely pass through the front surface of the base material, so that the thread forms a loop portion fixed on the back surface of the base material. The base material includes a seat surface for preventing slippage of the sewing needle on the front surface of the base material in a position where the thread of the stitch pattern is inserted.
    Type: Application
    Filed: February 13, 2017
    Publication date: January 17, 2019
    Applicant: TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Kenji KATO, Hiroshi MAEDA
  • Patent number: 10181607
    Abstract: A gas flow passage-forming member is disposed between a membrane electrode and gas diffusion layer assembly and a separator of a fuel cell, and the gas flow passage-forming member is configured to form a gas flow passage. The gas flow passage-forming member has a corrugated shape such that groove portions and ridge portions are provided on each of a front side and a back side of the gas flow passage-forming member. The groove portions each serve as the gas flow passage. The gas flow passage-forming member has communication holes providing communication between the front side and the back side, and the communication holes are provided in a region downstream of an upstream region in a gas flow direction. The upstream region is a non-communication region with no communication hole.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: January 15, 2019
    Assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Shatai Kabushiki Kaisha
    Inventors: Kazunori Shibata, Hiroya Nakaji, Hiroki Okabe, Yoshinori Shinozaki, Kousuke Kawajiri, Satoshi Futami, Takamasa Kanie
  • Patent number: 10158125
    Abstract: A fuel cell is formed by laminating a plurality of cells. Each cell includes a membrane electrode assembly and two separators, which hold the membrane electrode assembly in between. Each separator includes a base member made of a metal material. A first layer is provided on the surface of the base member. The first layer includes a resin film and conductive particles that have greater hardness than the oxide film of the base member. Between the separators that are adjacent to each other, the first layers are in contact with each other.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: December 18, 2018
    Assignee: TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Eiichirou Morozumi, Takatoshi Asaoka
  • Patent number: 10109868
    Abstract: A gas channel forming plate includes protrusions, which extend parallel with each other, gas channels that are respectively located between each adjacent pair of the protrusions, and water channels, which are respectively formed on the back surface of each protrusion. Each protrusion includes first communication portions and second communication portions. Each first communication portion includes a first opening. Each second communication portion includes a second opening. The second communication portions of each protrusion constitute an expanding region, in which the opening area of the second opening in each second communication portion is greater than the opening area of the first opening of each first communication portion, to limit introduction of water to the water channel on the back side of the protrusion using capillary action by the second communication portions.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: October 23, 2018
    Assignees: Toyota Shatai Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha
    Inventors: Kousuke Kawajiri, Satoshi Futami, Yuki Sugino, Takamasa Kanie, Hiroki Okabe, Kazunori Shibata
  • Patent number: 10081394
    Abstract: A mounting structure for a vehicular resin component provided with a panel body having a design surface on a surface of the panel body; a reinforcement rib arranged upright on a back surface of the panel body; and a mounting member for a vehicle. The reinforcement rib includes a proximal end portion connected to the panel body and formed with a thickness thinner than a thickness of a distal end portion. The distal end portion of the reinforcement rib includes an inclined surface formed between the distal end portion and the proximal end portion with increasing thickness toward the leading end side, and is provided with a locking hole with a hole direction inclined in the direction of inclination of the inclined surface. In the mounting member, a locking claw capable of being fitted in the locking hole is formed.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: September 25, 2018
    Assignee: TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Katsuya Ikeno, Osamu Tamura, Nobuyoshi Nishikawa, Wataru Iwase
  • Patent number: 10030093
    Abstract: A cellulose nanofiber (CNF) powder of the present invention contains cellulose nanofibers, and a hydrophobic polymer that is chemically bonded to at least some of the —OH groups of the cellulose nanofibers. The CNF powder has the ability to be dispersed in water and to return to a powder form again when an aqueous dispersion of the CNF powder is dried. The distance between the fibers in the CNF powder in a dry state is 3 nm or more, and preferably 8 to 12 nm. Since the distance between the fibers in the conventional cellulose nanofibers is about 1 nm, the present invention reduces the Van der Waals force between the fibers (i.e., the force of attraction between the fibers) to one millionth of that of the conventional cellulose nanofibers. Thus, the present invention provides the CNF powder that can be used in a powder form, and that can also be reversibly changed between a powder state and a dispersed state in water, and a method for producing the CNF powder.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: July 24, 2018
    Assignees: Toyota Shatai Kabushiki Kaisha, Kurashiki Boseki Kabushiki Kaisha
    Inventors: Asuka Mizuno, Minoru Sugiyama
  • Patent number: 10026971
    Abstract: A fuel cell stack includes a plurality of cells that are stacked in a stacking direction. Each cell includes a power generating body and a pair of separators. The separators respectively are arranged on opposite surfaces of the power generating body in the stacking direction. Each separator includes a first surface and a second surface. A titanium nitride layer is formed on the first surface, and a conductive carbon layer is formed on the titanium nitride layer. A titanium nitride layer is formed on the second surface. Each separator is in contact with the power generating body via the titanium nitride layer and the carbon layer on the first surface and is in contact with one of the separators of an adjacent cell via the titanium nitride layer on the second surface.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: July 17, 2018
    Assignee: Toyota Shatai Kabushiki Kaisha
    Inventors: Kotaro Ikeda, Yukihiro Suzuki, Eiichiro Morozumi, Takatoshi Asaoka
  • Patent number: 10026363
    Abstract: A window display device includes a display screen provided in a transparent rear window glass pane of a vehicle, an operating device adapted to detect an action for operating the display screen, and a control device, which displays a shade on the display screen. The shade is movable to selectively open and close the display screen based on an action performed on the operating device.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: July 17, 2018
    Assignee: Toyota Shatai Kabushiki Kaisha
    Inventors: Naoto Iwakawa, Akihito Kouketsu
  • Publication number: 20180183087
    Abstract: A fuel cell stack includes: a plurality of power generation cells stacked on top of each other; a dummy cell provided on at least one of both ends of the plurality of power generation cells, the dummy cell being configured not to generate electric power; and a reaction gas supply manifold extending through the plurality of power generation cells and the dummy cell. The dummy cell includes one or more dummy cell reaction gas introduction channels as a reaction gas introduction channel that introduces reaction gas from the reaction gas supply manifold to a center area of the dummy cell. At least one of the dummy cell reaction gas introduction channels is provided so as to connect to a bottom face at a lower side of the reaction gas supply manifold in a direction of gravitational force.
    Type: Application
    Filed: December 18, 2017
    Publication date: June 28, 2018
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Daisuke KANNO, Takenori YAMASAKI, Atsushi IDA, Daisuke HAYASHI, Shuji KURITA, Takashi KONDO, Keiji HASHIMOTO
  • Patent number: 10000005
    Abstract: A vacuum forming apparatus is provided that forms an article having a covering bonded to the surface of a substrate in a molding space using a first mold and a second mold. The vacuum forming apparatus is provided with clamps for grasping the covering between the first and second molds arranged at the open positions. The clamps are movable between an interfering position, at which the clamps are located in the movement ranges of the first and second molds, and standby positions, at which the clamps are outside the movement ranges. After the covering is heated, the clamps grasping the covering move to the standby positions and stretch the covering. The first and second molds move to the closed positions and the article is molded between the first and second molds so that the stretched covering and the substrate are bonded to each other.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: June 19, 2018
    Assignee: Toyota Shatai Kabushiki Kaisha
    Inventors: Kenji Katou, Katsunori Oda
  • Publication number: 20180145352
    Abstract: A fuel cell includes stacked power cells and an end cell. Each power cell includes a first plate and two first separators sandwiching the first plate. The end cell includes a second plate and two second separators sandwiching the second plate. Through holes formed in each plate and each separator form a power generating gas inlet passage extending in the power cells. The end cell has at least one of a “first structure,” in which a bottom wall of the through hole of the second plate or an upstream one of the second separators is downwardly recessed compared to corresponding portions of the power cells, and a “second structure,” in which a bottom wall of the through hole of the second plate or a downstream one of the second separators upwardly projects compared to corresponding portions of the power cells.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 24, 2018
    Applicants: TOYOTA SHATAI KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takashi KONDO, Keiji HASHIMOTO, Daisuke KANNO