Patents by Inventor Hiroki Okabe

Hiroki Okabe 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: 11968861
    Abstract: An organic EL display (1) has a bend (B) where a slit (81) is bored in a base coat film (23), gate insulating film (27), first interlayer insulating film (31) and second interlayer insulating film (35). The bend is provided with a filler layer (83) filling the slit and covering both edges of the slit. The filler layer has a protrusion (85) overlapping each edge in the width direction of the slit. A routed wire (7) routed from the display region (D) and then routed over the filler layer to reach a terminal section (T) extends over the protrusion.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: April 23, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shinji Ichikawa, Shinsuke Saida, Ryosuke Gunji, Hiroki Taniyama, Tohru Okabe, Akira Inoue, Hiroharu Jinmura, Yoshihiro Nakada, Koji Tanimura
  • Patent number: 11957014
    Abstract: A display device includes: a plurality of control lines; a plurality of power supply lines; a plurality of data signal lines; an oxide semiconductor layer; a first metal layer; a gate insulation film; a first inorganic insulation film; a second metal layer; a second inorganic insulation film; and a third metal layer. The oxide semiconductor layer, in a plan view, contains therein semiconductor lines formed as isolated regions between a plurality of drivers and a display area. The semiconductor lines cross the plurality of control lines and the plurality of power supply lines, are in contact with the plurality of control lines via an opening in a gate insulation film, are in contact with the plurality of power supply lines via an opening in the first inorganic insulation film, and have a plurality of narrowed portions, such that thicker and thinner regions exist along the same line.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: April 9, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Shinsuke Saida, Shinji Ichikawa, Hiroki Taniyama, Ryosuke Gunji, Kohji Ariga, Yoshihiro Nakada, Koji Tanimura, Yoshihiro Kohara, Hiroharu Jinmura, Akira Inoue
  • Patent number: 11950462
    Abstract: A first conductive layer in the same layer as that of a first electrode is coupled to a third conductive layer and a second electrode in the same layer as that of a third metal layer through a slit formed in a flattening film of a non-display area. Second conductive layers in the same layer as that of a second metal layer are provided to overlap with the slit.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: April 2, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Shinsuke Saida, Shinji Ichikawa, Hiroki Taniyama, Ryosuke Gunji, Kohji Ariga, Yoshihiro Nakada, Koji Tanimura, Yoshihiro Kohara, Akira Inoue, Hiroharu Jinmura, Takeshi Yaneda
  • Publication number: 20240067318
    Abstract: An outboard motor includes a lower portion including a propeller shaft, an upper portion including a drive source to provide a rotational force to rotate the propeller shaft, and a support portion to rotatably support the lower portion relative to the upper portion about a steering shaft and rotate integrally with the lower portion. The upper portion includes a water pump assembly to suck up water from the lower portion through the support portion and supply the water to the drive source. When viewed along a shaft line direction of the steering shaft, the water pump assembly overlaps the lower portion at a first rotation position of the lower portion with respect to the upper portion, and at least a portion of the water pump assembly does not overlap the lower portion at a second rotation position of the lower portion with respect to the upper portion.
    Type: Application
    Filed: August 3, 2023
    Publication date: February 29, 2024
    Inventors: Kimitaka SARUWATARI, Yu WAKAMIZU, Yoshihiko OKABE, Hiroki KOGA
  • Publication number: 20230305762
    Abstract: An information processing device includes a processing unit configured to divide original image data for a larger number of channels Nb than the number of channels Na into a plurality of groups so that a number of channels of each of the groups becomes no larger than the number of channels Na, generate compressed image data for the Na channels according to the processing unit from the original image data included in each of the groups, and generate the print command including the compressed image data for the Na channels corresponding to each of the groups, and a communication unit configured to transmit the print command to the printer.
    Type: Application
    Filed: March 22, 2023
    Publication date: September 28, 2023
    Inventors: Shuichi YAMANAKA, Fumio TOKUTOMI, Hiroki OKABE, Yuto TOGAWA
  • Patent number: 11721822
    Abstract: To provide a fuel cell system configured to increase fuel cell performance even at high altitude. A fuel cell system for air vehicles, wherein the fuel cell system comprises: a fuel cell, an oxidant gas system for supplying oxidant gas to the fuel cell, an altitude sensor, and a controller; wherein the oxidant gas system comprises an air compressor and a bypass flow path bypassing the fuel cell; wherein the bypass flow path comprises a bypass valve; and wherein, when the controller detects an altitude increase measured by the altitude sensor, the controller increases a rotational speed of the air compressor, and the controller increases an opening degree of the bypass valve.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: August 8, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Okabe, Tomohiro Shinagawa, Yoshihiro Shinozaki
  • Patent number: 11721819
    Abstract: A fuel cell system for air vehicles, wherein the fuel cell system comprises: a fuel cell, a fuel gas system for supplying fuel gas to the fuel cell, a potential sensor, and a controller; wherein the fuel gas system comprises a fuel gas supplier; wherein the controller determines whether or not a potential of the fuel cell measured by the potential sensor, is a reversal potential; and wherein, when the controller determines that the potential of the fuel cell is a reversal potential, the controller increases a fuel gas supply from the fuel gas supplier to the fuel cell.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: August 8, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Okabe, Tomohiro Shinagawa, Yoshihiro Shinozaki
  • Patent number: 11508982
    Abstract: A fuel cell stack comprising stacked unit cells, each comprising a membrane electrode assembly comprising an electrolyte membrane and a pair of electrodes disposed on both surfaces thereof, two separators sandwiching the membrane electrode assembly, and a frame-shaped resin sheet disposed between the two separators and around the membrane electrode assembly to attach the separators, wherein the resin sheet comprises a first protrusion protruding in the planar direction of the resin sheet and occupying a part of a first region occupied by a reaction gas inlet manifold, and a second protrusion protruding in the planar direction of the resin sheet and occupying a part of a second region occupied by a reaction gas outlet manifold; and wherein the resin sheet comprises at least one water discharge hole at a predetermined position of at least one protrusion selected from the group consisting of the first protrusion and the second protrusion.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: November 22, 2022
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Hiroki Okabe
  • Publication number: 20220340046
    Abstract: To provide a fuel cell system configured to prevent the freezing of the gas and water discharge valve of the fuel gas system even at high altitude. A fuel cell system for air vehicles, wherein the fuel cell system comprises: a fuel cell, a fuel gas system for supplying fuel gas to the fuel cell, a cooling system for controlling a temperature of the fuel cell, an altitude sensor, a temperature sensor, and a controller, and wherein, when the controller detects an altitude increase measured by the altitude sensor, and when a temperature of the gas and water discharge valve measured by the temperature sensor is less than a predetermined temperature, the controller increases a temperature of the refrigerant by controlling the three-way valve to circulate the refrigerant in the heating flow path and operating the circulation pump and the water heater to heat the refrigerant.
    Type: Application
    Filed: April 20, 2022
    Publication date: October 27, 2022
    Inventors: Hiroki OKABE, Tomohiro SHINAGAWA, Yoshihiro SHINOZAKI
  • Publication number: 20220340045
    Abstract: To provide an air vehicle configured to stabilize the power output of a fuel cell by securing the generated water discharge property of the fuel cell. An air vehicle, wherein the air vehicle comprises two or more fuel cells; wherein each fuel cell comprises an anode outlet manifold; and wherein each fuel cell is disposed in the air vehicle so that water discharge directions of the anode outlet manifolds are different from each other.
    Type: Application
    Filed: April 20, 2022
    Publication date: October 27, 2022
    Inventors: Hiroki OKABE, Tomohiko KANEKO, Tomohiro SHINAGAWA, Yoshihiro SHINOZAKI
  • Publication number: 20220344687
    Abstract: To provide a fuel cell system configured to increase fuel cell performance even at high altitude. A fuel cell system for air vehicles, wherein the fuel cell system comprises: a fuel cell, an oxidant gas system for supplying oxidant gas to the fuel cell, an altitude sensor, and a controller; wherein the oxidant gas system comprises an air compressor and a bypass flow path bypassing the fuel cell; wherein the bypass flow path comprises a bypass valve; and wherein, when the controller detects an altitude increase measured by the altitude sensor, the controller increases a rotational speed of the air compressor, and the controller increases an opening degree of the bypass valve.
    Type: Application
    Filed: April 20, 2022
    Publication date: October 27, 2022
    Inventors: Hiroki OKABE, Tomohiro SHINAGAWA, Yoshihiro SHINOZAKI
  • Publication number: 20220344685
    Abstract: A fuel cell system for air vehicles, wherein the fuel cell system comprises: a fuel cell, a fuel gas system for supplying fuel gas to the fuel cell, a potential sensor, and a controller; wherein the fuel gas system comprises a fuel gas supplier; wherein the controller determines whether or not a potential of the fuel cell measured by the potential sensor, is a reversal potential; and wherein, when the controller determines that the potential of the fuel cell is a reversal potential, the controller increases a fuel gas supply from the fuel gas supplier to the fuel cell.
    Type: Application
    Filed: April 19, 2022
    Publication date: October 27, 2022
    Inventors: Hiroki OKABE, Tomohiro SHINAGAWA, Yoshihiro SHINOZAKI
  • Publication number: 20220340022
    Abstract: To provide a fuel cell system configured to charge a battery with maintaining the independence and redundancy of a fuel cell and a battery as power sources. A fuel cell system for air vehicles, wherein the fuel cell system comprises a fuel cell, a battery, a motor and a controller; wherein the fuel cell and the battery are connected to the motor as independent power sources, and the motor includes a double three-phase winding that uses a double inverter; and wherein, when normal output is requested from the motor, the controller operates the motor by a predetermined first output from the fuel cell, and the controller charges the battery by a torque generated in the motor.
    Type: Application
    Filed: April 19, 2022
    Publication date: October 27, 2022
    Inventors: Hiroki OKABE, Kimio SAITO
  • Publication number: 20210359333
    Abstract: A fuel cell stack comprising stacked unit cells, each comprising a membrane electrode assembly comprising an electrolyte membrane and a pair of electrodes disposed on both surfaces thereof, two separators sandwiching the membrane electrode assembly, and a frame-shaped resin sheet disposed between the two separators and around the membrane electrode assembly to attach the separators, wherein the resin sheet comprises a first protrusion protruding in the planar direction of the resin sheet and occupying a part of a first region occupied by a reaction gas inlet manifold, and a second protrusion protruding in the planar direction of the resin sheet and occupying a part of a second region occupied by a reaction gas outlet manifold; and wherein the resin sheet comprises at least one water discharge hole at a predetermined position of at least one protrusion selected from the group consisting of the first protrusion and the second protrusion.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 18, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hiroki OKABE
  • Patent number: 10998560
    Abstract: A fuel cell stack 11 includes a cell laminate 21 composed of a plurality of stacked cells 20, and air is introduced from an anode end part 21a of the cell laminate 21. The cell laminate 21 has two end cells 24 installed adjacently to a cathode end part 21b side, thereby providing the cathode end part 21b with high thermal insulation properties.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: May 4, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Norishige Konno, Hiroki Okabe
  • Patent number: 10826084
    Abstract: A fuel cell includes: a membrane electrode assembly; and a separator disposed on one side of the membrane electrode assembly, wherein the separator includes flow path grooves through which reactant gas flows between the separator and the membrane electrode assembly, the flow path grooves include: wavy grooves wavily extending in a first direction and arranged in a second direction orthogonal to the first direction; and a linear groove linearly extending in the first direction, the wavy grooves include: a first wavy groove located closest to the linear groove among the wavy grooves; and a second wavy groove located opposite to the linear groove with respect to the first wavy groove, and amplitude of the first wavy groove is smaller than that of the second wavy groove.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: November 3, 2020
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroki Okabe, Manabu Kato
  • Patent number: 10818938
    Abstract: A fuel cell stack includes a plurality of cells laminated. Each of the cells includes: a membrane electrode gas diffusion layer assembly; an insulating member; a first separator including a first gas passage and a first refrigerant passage; first, second, and third manifolds penetrating through the insulating member and the first separator such that a first gas, a second gas, and a refrigerant circulate through the first, second, and third manifolds, respectively; and a second separator including a second gas passage and a second refrigerant passage and configured to sandwich the membrane electrode gas diffusion layer assembly and the insulating member together with the first separator. In the each of the cells, the insulating member includes a first communication portion, a second communication portion, and a third communication portion, and the first separator has a communication opening via which the third communication portion communicates with the first refrigerant passage.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: October 27, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hiroki Okabe
  • Patent number: 10763530
    Abstract: A manufacturing method for a fuel cell includes: preparing a membrane electrode gas diffusion layer assembly; preparing a support frame having an electrical insulating property and an ultraviolet permeability; preparing a separator; bonding the membrane electrode gas diffusion layer assembly and the support frame to each other via a first ultraviolet curable adhesive; and, after the membrane electrode gas diffusion layer assembly and the support frame are bonded to each other, bonding the support frame and the separator to each other via a second ultraviolet curable adhesive.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: September 1, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hiroki Okabe
  • Patent number: 10644343
    Abstract: A dummy cell laminated on a fuel cell stack and configured not to perform power generation includes: a common appearance portion having an appearance common with an appearance of a power generation cell used in the fuel cell stack and configured to perform power generation; and a non-common appearance portion having an appearance different from the appearance of the power generation cell.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: May 5, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Okabe, Kazumi Sugita, Chisato Kato
  • Patent number: 10608223
    Abstract: A method for manufacturing a separator for fuel cell including a seal part of thermosetting resin can have improved productivity. The method includes a placing step to place uncured thermosetting resin on a substrate, a pre-curing step to pre-cure the uncured thermosetting resin on the substrate, and a curing step to cure the pre-cured thermosetting resin on the collected plurality of substrates to collectively form the seal parts on the plurality of substrates.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: March 31, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideo Nakamura, Kazuomi Yamanishi, Hiroki Okabe