Patents by Inventor Masayuki Ito

Masayuki Ito 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: 11450862
    Abstract: A separator for a fuel cell, includes a separator plate provided with a flow path groove group through which the reaction gas flows. The flow path groove group includes a single first flow path groove, a plurality of second flow path grooves, and a branch portion that connects an end portion of the first flow path groove to end portions of the second flow path grooves. The branch portion includes a narrow portion having a narrower groove width than a groove width of a remaining portion of the branch portion. A groove depth of the narrow portion is shallower than a groove depth of the remaining portion of the branch portion.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: September 20, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Wataru Otsu, Naohiro Hoshikawa, Masayuki Ito, Takahiro Kato
  • Patent number: 11450869
    Abstract: A fuel cell system includes a first fuel cell stack having a discharge manifold, a second fuel cell stack having a discharge manifold, a first auxiliary machine used for power generation of the first fuel cell stack, a second auxiliary machine used for power generation of the second fuel cell stack, and a controller configured to control operation of the first auxiliary machine and the second auxiliary machine. The controller is configured to control operation of the first auxiliary machine and the second auxiliary machine, such that one of the first fuel cell stack and the second fuel cell stack, of which a discharge direction of reaction gas discharged from the discharge manifold forms a smaller angle with a vertical downward direction, starts generating power earlier than the other fuel cell stack, after power generation of the first fuel cell stack and the second fuel cell stack is stopped.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: September 20, 2022
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masayuki Ito, Hideyuki Kumei, Tomohiko Kaneko
  • Publication number: 20220293974
    Abstract: To provide a fuel cell system configured to suppress the occurrence of partial fuel gas deficiency in a fuel cell. A fuel cell system wherein at least one injector selected from the group consisting of a first injector and a second injector is driven by duty ratio control to maintain a fuel gas pressure to the fuel cell within a predetermined range, in accordance with an output current value; wherein a controller determines whether or not the output current value is larger than a predetermined first threshold; and wherein, when the controller determines that the output current value is larger than the predetermined first threshold, the controller drives the first injector by duty ratio control, and the controller drives the second injector by duty ratio control to open a valve of the second injector at least while a valve of the first injector is closed.
    Type: Application
    Filed: March 9, 2022
    Publication date: September 15, 2022
    Inventors: Yuuki KASAHARA, Masayuki ITO, Satoshi ANDOH
  • Publication number: 20220293981
    Abstract: To provide a fuel cell system configured to appropriately measure the AC impedance of a fuel cell. A fuel cell system wherein the controller controls ON and OFF of the switches of n phases; wherein the controller operates the switches of the n phases at different phases, and the controller operates the switches of the n phases at the same duty ratio; wherein the controller operates the switches of the n phases at different duty ratios, when the controller determines that a specific condition is met; and wherein the controller measures the AC impedance of the fuel cell from the current waveform and voltage waveform of the fuel cell.
    Type: Application
    Filed: March 9, 2022
    Publication date: September 15, 2022
    Inventors: Takahiro UMEHARA, Nobuyuki KITAMURA, Masayuki ITO, Tomohiko KANEKO
  • Publication number: 20220293982
    Abstract: To provide a fuel cell system configured to appropriately measure the AC impedance of a fuel cell. A fuel cell system wherein the controller controls ON and OFF of the switches of n phases; wherein the controller operates the switches of the n phases at different phases, and the controller operates the switches of the n phases at the same duty ratio; wherein the controller operates the switches of the n phases at the same phase, when the controller determines that a specific condition is met; and wherein the controller measures the AC impedance of the fuel cell from the current waveform and voltage waveform of the fuel cell.
    Type: Application
    Filed: March 9, 2022
    Publication date: September 15, 2022
    Inventors: Nobuyuki KITAMURA, Masayuki ITO, Tomohiko KANEKO, Takahiro UMEHARA
  • Patent number: 11427197
    Abstract: A lane departure preventing device includes at least one electronic control unit. The at least one electronic control unit is configured to: when there is a likelihood that a vehicle will depart from a traveling lane, calculate a prevention yaw moment, and control a brake actuator such that the prevention yaw moment is applied to the vehicle; acquire a lateral acceleration; determine whether the lateral acceleration is greater than an ideal value by a predetermined value; control the brake actuator such that the braking force matches a target braking force required to apply the prevention yaw moment to the vehicle, when the lateral acceleration is not greater than the ideal value by the predetermined value; and control the brake actuator such that the braking force is less than the target braking force, when the lateral acceleration is greater than the ideal value by the predetermined value.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: August 30, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Nagae, Ryo Inomata, Hironori Ito, Masayuki Ikeda
  • Patent number: 11428322
    Abstract: A sealing apparatus is provided that is capable of inhibiting a degradation in electrical conductivity performance. The sealing apparatus includes an outer seal part and an inner seal part, and conductive grease housed in a space. An outer elastic body part of the outer seal part is formed from an elastic body having electrical conductivity and includes a dust lip, a conduction lip, and a gasket part. At an annular fitting surface, the inner seal part is attached to the outer seal part. An inner elastic body part of the inner seal part is formed from an elastic body having electrical conductivity and includes a grease lip. The outer seal part has a spring that is put on an outer periphery side of the conduction lip to press the conduction lip against an inner peripheral member.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: August 30, 2022
    Inventors: Masayuki Tanida, Masaru Syonai, Takuya Ito, Kenya Yoshioka
  • Patent number: 11428331
    Abstract: A first flow path area at a position where one of multiple openings of a sleeve and one of multiple grooves of a spool overlap with each other is different in size from a second flow path area at a position where another one of the openings of the sleeve and another one of the grooves of the spool overlap with each other. The one opening and the one groove form a flow path for connecting one of one pressure chamber and the other pressure chamber to a fluid supply source, due to displacement of the spool. The other opening and the other groove form a flow path for connecting another one of the other pressure chamber and the one pressure chamber to a fluid discharge port, due to the displacement of the spool.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: August 30, 2022
    Assignee: SMC CORPORATION
    Inventors: Hisashi Yajima, Masayuki Ishikawa, Satoru Ito, Gen Tsuchiya, Takehiko Kanazawa
  • Patent number: 11414515
    Abstract: A polymerizable composition for an optical material according to the present invention includes one or two or more compounds selected from the group consisting of component (A): an ester compound having a specific structure and component (B): an ether compound having a specific structure, and a polymerizable compound.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: August 16, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shinsuke Ito, Koji Suesugi, Masayuki Furuya, Takeshi Nishimura, Mamoru Tanaka
  • Publication number: 20220224232
    Abstract: To provide a power supply unit configured to determine the boundary between the operation modes (continuous mode and discontinuous mode) of a converter with high accuracy. The power supply unit is a power supply unit wherein the controller controls a value of output current of the power supply by controlling a duty ratio by switching the second switch; wherein the controller detects the current value of the reactor acquired by the current sensor, at a frequency of at least n (n is an integer of 2 or more) times in a cycle of the switching.
    Type: Application
    Filed: January 12, 2022
    Publication date: July 14, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomohiko KANEKO, Masayuki ITO, Takahiro UMEHARA
  • Publication number: 20220209266
    Abstract: A fuel cell system includes: a fuel cell unit including first to nth fuel cells connected in series to each other to supply electric power to a load device; first to nth supply systems that independently supply cathode gas to the first to nth fuel cells, respectively; a switching device capable of switching a state between a connected state and a disconnected state; and a control unit, when required output to the fuel cell unit is equal to or smaller than a threshold value, configured to control the switching device to switch the state from the connected state to the disconnected state, and to control the first to nth supply systems to respectively control the first to nth fuel cells so as to respectively control flow rates of the cathode gas to be supplied to the first to nth fuel cells.
    Type: Application
    Filed: September 2, 2021
    Publication date: June 30, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Masayuki ITO
  • Patent number: 11358481
    Abstract: An energy consumption predicting device includes: an acquisition unit acquiring a parameter correlated with at least one of a vehicle speed when a vehicle traveled on a route from a first point to a second point on which a vehicle traveling using only a power source consuming an energy source supplied from outside of the vehicle and stored therein is able to travel, a different vehicle speed when a different vehicle traveled on the route, an output of the power source when the vehicle traveled on the route, and an output of a different power source when the different vehicle traveling using only the same type of different power source as the power source traveled on the route; and a calculation unit calculating a predicted consumption of the energy source which is predicted when the vehicle travels on the route from the first point to the second point.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: June 14, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasushi Araki, Masaaki Matsusue, Masayuki Ito
  • Publication number: 20220173425
    Abstract: A fuel cell unit including: a stack case; stacked fuel cells; current collector plates; and tabs, wherein the power converter has a power converter case, and a power conversion component, wherein the bus bar is disposed in a slit provided on the stack case, wherein the bus bars each have a current collector plate connecting portion for connecting to the tabs at a first surface, a power conversion component connection portion connected to the power conversion component at a second surface, and a plurality of connecting portions for connecting the current collector plate connecting portion and the power conversion component connecting portion, and wherein the connecting portions each have a plate surface intersecting the plane belonging to the first surface and the plane belonging to the second surface.
    Type: Application
    Filed: November 19, 2021
    Publication date: June 2, 2022
    Inventor: Masayuki ITO
  • Publication number: 20220173413
    Abstract: A fuel cell includes: an electrolyte membrane; first and second catalyst layers respectively formed on first and second surfaces of the electrolyte membrane; and a separator, the first catalyst layer being arranged between the separator and the electrolyte membrane, wherein the separator includes first and second grooves through which reactant gas flows between the first catalyst layer and the separator.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Nobuaki NONOYAMA, Norishige KONNO, Masayuki ITO
  • Publication number: 20220162073
    Abstract: A molding material for producing the carbon clusters using biomass as the main raw material, comprising the biomass and a binder as the derived raw material, wherein the molding material is graphitized, the electrical resistivity of the molding material is equal to or less than 100 ??m, the diffraction pattern of the molding material by powder X-ray diffraction method has one peak between 2?(? is the Bragg angle) of 26 to 27°, and the value of ? width divided by the base of the peak is equal to or less than 0.68. The method for producing the molding material for producing the carbon clusters according to any of claims 1 to 6, comprising following steps of: obtaining a molded precursor containing a calcined biomass and a binder; optionally, further baking the precursor; and graphitizing the precursor at a temperature of 2500° C. or higher.
    Type: Application
    Filed: March 16, 2020
    Publication date: May 26, 2022
    Applicants: Vitamin C60 Bioresearch Corporation, The Honjo Chemical Corporation, Nippon Electrode Co., Ltd
    Inventors: Masayuki ITO, Yuichi HAYASHI, Hirohisa HIKITA, Naoki MATSUMOTO
  • Patent number: 11283087
    Abstract: A fuel cell includes: an electrolyte membrane; first and second catalyst layers respectively formed on first and second surfaces of the electrolyte membrane; and a separator, the first catalyst layer being arranged between the separator and the electrolyte membrane, wherein the separator includes first and second grooves through which reactant gas flows between the first catalyst layer and the separator.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: March 22, 2022
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Nobuaki Nonoyama, Norishige Konno, Masayuki Ito
  • Publication number: 20220077487
    Abstract: A fuel cell vehicle includes a fuel cell stack including a stack case as a housing in which a plurality of fuel cells is accommodated and a plate-shaped end plate configured to close an opening of the stack case. The end plate has an overhanging portion configured to overhang from a part, of the stack case, in which the fuel cells are accommodated. The fuel cell stack is placed in a front room or a rear room. The height position of at least part of the overhanging portion is the same as the height position of a frame of the fuel cell vehicle.
    Type: Application
    Filed: August 16, 2021
    Publication date: March 10, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yugo ICHIDA, Masayuki ITO, Yoshihiro SHINOZAKI
  • Publication number: 20220069693
    Abstract: A control device for a converter including a one-phase or multiple-phase converter circuit includes: a magnetic coupling determination unit configured to determine whether the converter circuit is a magnetically coupled circuit in which a reactor of the converter circuit is in a magnetically coupled state; and a control unit configured to change a control method for the converter according to a determination result of the magnetic coupling determination unit.
    Type: Application
    Filed: August 23, 2021
    Publication date: March 3, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomohiko KANEKO, Masayuki ITO
  • Publication number: 20220069707
    Abstract: To provide a power conversion device configured to evenly pass current through phases and to achieve high power conversion efficiency in a wide current range. A power conversion device comprising conversion parts which are coupled in parallel to each other, which are capable of voltage conversion, and each of which includes a coil, wherein the power conversion device comprises M (M is a natural number of 2 or more) sets of conversion sets including the conversion parts of N phases (N is a natural number of 2 or more), and the coils of the conversion parts are capable of magnetic coupling to each other; wherein the power conversion device includes a controller configured to change a driving phase number X of the conversion parts according to a system requirement.
    Type: Application
    Filed: August 23, 2021
    Publication date: March 3, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masayuki ITO, Tomohiko KANEKO
  • Publication number: 20220034225
    Abstract: A ventilation system including a building having a space inside, a subterranean facility arranged in a basement of the building and having a subterranean space inside, a communication passage establishing communication between the space and the subterranean space, and a ventilation hole establishing communication between an earth outside the building and the subterranean space is provided. A fuel cell unit having an exhaust port is arranged in the subterranean space. The communication passage has a lateral wall protruding downward from a ceiling of the subterranean space. The lateral wall is arranged on the exhaust port side when the communication passage is arranged on a straight line linking the exhaust port and a second opening portion of the ventilation hole on the subterranean space side. The lateral wall is arranged on the straight line side when the communication passage is arranged at a position spaced apart from the straight line.
    Type: Application
    Filed: June 1, 2021
    Publication date: February 3, 2022
    Inventor: Masayuki ITO