Patents by Inventor Tomonari Kogure

Tomonari Kogure 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).

  • Publication number: 20240042378
    Abstract: The hydrogen separation filter includes a porous substrate and a super lattice layer on the porous substrate. The super lattice layer includes at least one lattice expansion layer containing a first material and at least two hydrogen dissociation and permeation layers containing a second material selected from the group consisting of Pd, V, Ta, Ti, Nb, and alloys thereof. The at least one lattice expansion layer and the at least two hydrogen dissociation and permeation layers are alternately stacked. The first material and the second material have a same crystalline structure. A lattice constant a1,bulk of a first bulk material haying a same composition and a same crystalline structure as the first material and a lattice constant a2,bulk of a second bulk material having a same composition and a same crystalline structure as the second material satisfy Formula (1): 1.03a2,bulk?a1,bulk?1.
    Type: Application
    Filed: July 21, 2023
    Publication date: February 8, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi TAKATA, Tomonari KOGURE
  • Publication number: 20230295820
    Abstract: The anode-side separator of the present disclosure is an anode-side separator used in a water electrolyzer, and includes a metal substrate made of titanium or stainless steel, and a conductive oxide film containing indium-tin-oxide (ITO) provided on the surface of the metal substrate.
    Type: Application
    Filed: January 18, 2023
    Publication date: September 21, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Joji Yoshimura, Hiromochi Tanaka, Tomonari Kogure, Mizuki Sakamoto, Masaki Hirano
  • Publication number: 20230212008
    Abstract: Provided is a hydrogen separation filter allowing a hydrogen purification at a lower temperature than conventional one, and a method for manufacturing the same. A hydrogen separation filter includes a porous substrate, a lattice expansion layer formed on the porous substrate and containing a first material, and a hydrogen dissociation and transmission layer formed on the lattice expansion layer and containing a second material selected from the group consisting of Pd, V, Ta, Ti, Nb, and alloys thereof. The first material and the second material have a same crystalline structure. A lattice constant a1, bulk of a first bulk material having a same composition and a same crystalline structure as the first material and a lattice constant a2, bulk of a second bulk material having a same composition and a same crystalline structure as the second material satisfy a formula (1): 1.03 a 2 , b u l k ? a 1 , b u l k ? 1.
    Type: Application
    Filed: October 26, 2022
    Publication date: July 6, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi TAKATA, Tomonari KOGURE
  • Patent number: 11652220
    Abstract: The present embodiment is a fuel cell including a stacked body of single cells each of which includes a power generating unit and separators disposed on both surfaces of the power generating unit, in which the separators each include a metal base material, a carbon layer made of carbon and formed on a first surface of the metal base material on a power generating unit side, and a titanium nitride layer made of titanium nitride and formed on a second surface of the metal base material opposite to the first surface.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: May 16, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daichi Miyazaki, Masaki Hirano, Hitoshi Tanino, Tomonari Kogure
  • Publication number: 20220109163
    Abstract: The present embodiment is a fuel cell including a stacked body of single cells each of which includes a power generating unit and separators disposed on both surfaces of the power generating unit, in which the separators each include a metal base material, a carbon layer made of carbon and formed on a first surface of the metal base material on a power generating unit side, and a titanium nitride layer made of titanium nitride and formed on a second surface of the metal base material opposite to the first surface.
    Type: Application
    Filed: August 23, 2021
    Publication date: April 7, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daichi MIYAZAKI, Masaki HIRANO, Hitoshi TANINO, Tomonari KOGURE
  • Patent number: 11211856
    Abstract: A resolver that ensures improvement in a detection sensitivity is provided. The resolver according to the present disclosure includes a rotor and a stator arranged to surround an outer peripheral surface of the rotor. The rotor includes a rotor core, the stator includes a stator core and a coil, the stator core includes a plurality of teeth disposed at intervals along a circumferential direction, the plurality of teeth project toward the outer peripheral surface side of the rotor, and the coil is wound around the plurality of teeth. A gap permeance between the rotor and the stator varies in association with a rotation around a rotation axis of the rotor. The rotor further includes a porous machinable film containing a magnetic metal, and the porous machinable film is disposed on a projecting portion on an outer peripheral surface of the rotor core.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: December 28, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Noritaka Miyamoto, Tomonari Kogure, Keiu Kanada
  • Patent number: 10903506
    Abstract: Provided is a separator for a fuel cell that can suppress a decrease in the power generation performance of the fuel cell by reducing the contact resistance of the separator. Specifically, provided is a separator for a fuel cell, the separator being adapted to be in contact with a MEGA (power generation portion) including a membrane electrode assembly of the fuel cell so as to separate the MEGA from a MEGA of an adjacent fuel cell, the separator including a metal substrate made of metal; and a tin oxide film covering a surface of the metal substrate on the side of the MEGA. The tin oxide film is made of tin oxide containing 0.2 to 10 atom % of antimony.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: January 26, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Satoshi Takata, Tomonari Kogure
  • Patent number: 10826079
    Abstract: Provided is a separator for a fuel cell that can suppress a decrease in the power generation performance of the fuel cell by reducing the contact resistance of the separator. Specifically, provided is a separator for a fuel cell, the separator being adapted to be in contact with a MEGA (power generation portion) including a membrane electrode assembly of the fuel cell so as to separate the MEGA from a MEGA of an adjacent fuel cell, the separator including a metal substrate made of metal; and a tin oxide film covering a surface of the metal substrate on the side of the MEGA. The tin oxide film is made of tin oxide containing 1 to 10 atom % of aluminum.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: November 3, 2020
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Satoshi Takata, Tomonari Kogure
  • Publication number: 20200195112
    Abstract: A resolver that ensures improvement in a detection sensitivity is provided. The resolver according to the present disclosure includes a rotor and a stator arranged to surround an outer peripheral surface of the rotor. The rotor includes a rotor core, the stator includes a stator core and a coil, the stator core includes a plurality of teeth disposed at intervals along a circumferential direction, the plurality of teeth project toward the outer peripheral surface side of the rotor, and the coil is wound around the plurality of teeth. A gap permeance between the rotor and the stator varies in association with a rotation around a rotation axis of the rotor. The rotor further includes a porous machinable film containing a magnetic metal, and the porous machinable film is disposed on a projecting portion on an outer peripheral surface of the rotor core.
    Type: Application
    Filed: November 25, 2019
    Publication date: June 18, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Noritaka MIYAMOTO, Tomonari Kogure, Keiu Kanada
  • Publication number: 20180337414
    Abstract: Provided is a separator for a fuel cell that can suppress a decrease in the power generation performance of the fuel cell by reducing the contact resistance of the separator. Specifically, provided is a separator for a fuel cell, the separator being adapted to be in contact with a MEGA (power generation portion) including a membrane electrode assembly of the fuel cell so as to separate the MEGA from a MEGA of an adjacent fuel cell, the separator including a metal substrate made of metal; and a tin oxide film covering a surface of the metal substrate on the side of the MEGA. The tin oxide film is made of tin oxide containing 1 to 10 atom % of aluminum.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 22, 2018
    Inventors: Satoshi TAKATA, Tomonari KOGURE
  • Publication number: 20180337415
    Abstract: Provided is a separator for a fuel cell that can suppress a decrease in the power generation performance of the fuel cell by reducing the contact resistance of the separator. Specifically, provided is a separator for a fuel cell, the separator being adapted to be in contact with a MEGA (power generation portion) including a membrane electrode assembly of the fuel cell so as to separate the MEGA from a MEGA of an adjacent fuel cell, the separator including a metal substrate made of metal; and a tin oxide film covering a surface of the metal substrate on the side of the MEGA. The tin oxide film is made of tin oxide containing 0.2 to 10 atom % of antimony.
    Type: Application
    Filed: May 16, 2018
    Publication date: November 22, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi TAKATA, Tomonari KOGURE
  • Patent number: 9728700
    Abstract: Provided is a compound which is mixed with a thermoelectric conversion material matrix as a phonon scattering material. The compound is represented by the following formula: (In the above formula, G1 represents a functional group capable of binding to the thermoelectric conversion material matrix; G2 independently represents G1 or CH3; 0?m?5; 0?m??5; 6?n?1000; and 1/1000<(the number of G1/n)?1).
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: August 8, 2017
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADMATECHS COMPANY LIMITED
    Inventors: Junya Murai, Tomonari Kogure, Youichiro Kawai, Tomoharu Kataoka, Yoshinori Okawauchi
  • Publication number: 20160190422
    Abstract: A BiTe-based or CoSb3-based thermoelectric conversion material includes a base phase material in which an oxide layer is formed on a surface of the base phase, in which the thermoelectric conversion material is manufactured by a method including (a) a weak oxidizing process selected from (a1) mixing base phase material powders under a low-oxygen atmosphere and thereafter exposing the base phase material powders to the low-oxygen atmosphere, and (a2) impregnating base phase material powders with alcohol, and (b) an alloying process of performing a heat treatment on a powder obtained in the process (a1) or a solution obtained in (a2), and the processes (a) and (b) are continuously performed.
    Type: Application
    Filed: December 22, 2015
    Publication date: June 30, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Admatechs Company Limited
    Inventors: Junya MURAI, Tomonari KOGURE, Youichiro KAWAI, Yoshinori Okawauchi
  • Publication number: 20160107239
    Abstract: This invention provides a method for manufacturing a nanocomposite thermoelectric conversion material in which phonon-scattering particles having a specific shape are dispersed, reducing thermal conductivity and increasing thermoelectric conversion performance.
    Type: Application
    Filed: June 16, 2014
    Publication date: April 21, 2016
    Applicants: Admatechs Company Limited, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junya MURAI, Tomonari KOGURE, Yoichiro KAWAI, Yoshinori OKAWAUCHI
  • Patent number: 9197105
    Abstract: In an IPM motor rotor, a rotor core has a plurality of magnetic poles, and each magnetic pole is formed by two permanent magnets. The two permanent magnets of each magnetic pole are two split pieces obtained by splitting one parent permanent magnet that is larger than the permanent magnets.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: November 24, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomonari Kogure, Kazuaki Haga, Hiroko Kurihara
  • Publication number: 20150280096
    Abstract: Provided is a compound which is mixed with a thermoelectric conversion material matrix as a phonon scattering material.
    Type: Application
    Filed: March 25, 2015
    Publication date: October 1, 2015
    Inventors: Junya MURAI, Tomonari KOGURE, Youichiro KAWAI, Tomoharu KATAOKA, Yoshinori OKAWAUCHI
  • Publication number: 20150069284
    Abstract: A nanocomposite thermoelectric conversion material includes: crystal grains of a matrix phase material; and a grain boundary phase that is formed in an interface between the crystal grains and includes an insulating material. In the interface between the crystal grains of the matrix phase material, an element that forms the matrix phase material and an element that forms the insulating material are bonded by a chemical bond.
    Type: Application
    Filed: September 9, 2014
    Publication date: March 12, 2015
    Inventors: Junya Murai, Tomonari Kogure, Youichiro Kawai, Yoshinori Okawauchi
  • Patent number: 8797023
    Abstract: Provided is a coercive-force specifying apparatus capable of creating a demagnetization curve for each divisional area of a coercive-force distributed magnet without breaking the coercive-force distributed magnet and of specifying an average coercive force for each divisional area precisely. A coercive force specifying apparatus of the present invention includes: a yoke including an insertion space into which a coercive-force distributed magnet is to be inserted; a magnetizing coil; a search coil that detects a magnetization change when the magnetic field is applied to the coercive-force distributed magnet; and a tracer that creates a demagnetization curve on a basis of a voltage value generated due to the magnetization change. The end face is provided with two or more loop-shaped thread grooves bored therein, the search coil being provided in each thread groove.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: August 5, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masafumi Suzuki, Tomonari Kogure, Mayumi Nakanishi
  • Patent number: 8729763
    Abstract: Disclosed are a rotor and an IPM motor capable of avoiding concentration of flux on a corner area of a magnet on the stator side, leading to reduction in demagnetizing field and accordingly reduction in a required coercive force, and reduction in the usage amount of dysprosium or the like and accordingly reduction in manufacturing cost. In a slot bored in a rotor core of a rotor making up a motor, at least one of a slot face on a center side of the rotor core and a slot face facing this slot face is formed a protrusion or a concave groove and the magnet to be inserted in the slot includes at least one of a concave groove and a protrusion to be engaged with the protrusion or the concave groove of the slot face at a position corresponding to the protrusion or the concave groove formed in the slot. Then, these concave groove and protrusion are engaged to form an engagement part.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: May 20, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tomonari Kogure, Hiroko Kurihara
  • Publication number: 20130335064
    Abstract: Provided is a coercive-force specifying apparatus capable of creating a demagnetization curve for each divisional area of a coercive-force distributed magnet without breaking the coercive-force distributed magnet and of specifying an average coercive force for each divisional area precisely. A coercive force specifying apparatus of the present invention includes: a yoke including an insertion space into which a coercive-force distributed magnet is to be inserted; a magnetizing coil; a search coil that detects a magnetization change when the magnetic field is applied to the coercive-force distributed magnet; and a tracer that creates a demagnetization curve on a basis of a voltage value generated due to the magnetization change. The end face is provided with two or more loop-shaped thread grooves bored therein, the search coil being provided in each thread groove.
    Type: Application
    Filed: March 7, 2011
    Publication date: December 19, 2013
    Inventors: Masafumi Suzuki, Tomonari Kogure, Mayumi Nakanishi