Patents by Inventor Yuta Hashimoto

Yuta Hashimoto 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: 11942869
    Abstract: A power module is applied to an electric power conversion device in which multiple upper-lower arm circuits are connected to an electric power line in parallel. The power module includes the multiple upper-lower arm circuits; a capacitor connected to each of the multiple upper-lower arm circuits in parallel; an upper wiring that connects an upper arm and a positive electrode terminal of the capacitor; a lower wiring that connects a lower arm and a negative electrode of the capacitor; an upper electric power wiring that is an electric power wiring connected to the electric power line and connects a high potential line of the electric power line and the upper wiring; and a lower electric power wiring that is an electric power wiring connected to the electric power line and connects a lower potential line of the electric power line and the lower wiring.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: March 26, 2024
    Assignee: DENSO CORPORATION
    Inventors: Tomohisa Sano, Ryota Tanabe, Yuta Hashimoto, Kazuma Fukushima, Mamoru Kuwahara
  • Publication number: 20240088360
    Abstract: The coated active material of the present disclosure includes an active material and a coating layer coating at least a part of the surface of the active material. The coated active material has a supernatant transmittance of greater than 64% and less than 93%. The supernatant transmittance is a transmittance of light with a wavelength of 550 nm measured for a supernatant liquid obtained by dispersing and precipitating the coated active material in a solvent. The supernatant liquid is placed in a quartz cell with a 10 mm optical path length and devoted to measurement of the transmittance.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 14, 2024
    Inventors: KAZUYA HASHIMOTO, YUTA SUGIMOTO, IZURU SASAKI
  • Publication number: 20240086365
    Abstract: A data file generation apparatus includes circuitry. The circuitry generates a data file. The circuitry writes the data file to an external storage area that is external to the data file generation apparatus. The circuitry writes identification information of the data file to the external storage area as deletion candidate information indicating a candidate for a file to be deleted. The circuitry deletes the deletion candidate information when the data file is successfully stored in the external storage area.
    Type: Application
    Filed: August 30, 2023
    Publication date: March 14, 2024
    Inventors: Mitsuhiro YASHIKI, Yuta HASHIMOTO
  • Publication number: 20240088435
    Abstract: A positive electrode material includes a positive electrode active material, a coating layer, and a second solid electrolyte. The coating layer contains a first solid electrolyte and coats at least a portion of a surface of the positive electrode active material. The first solid electrolyte contains Li, M, and X, where M is at least one selected from the group consisting of metalloid elements and metal elements other than Li, and X is at least one selected from the group consisting of F, Cl, Br, and I. The second solid electrolyte is in indirect contact with the positive electrode active material with the coating layer disposed therebetween. A ratio of a volume of the first solid electrolyte to a total volume of the first solid electrolyte and the second solid electrolyte is greater than or equal to 4% and less than or equal to 60%.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Inventors: YUTA SUGIMOTO, KAZUYA HASHIMOTO, AKINOBU MIYAZAKI, KENJI NAGAO, IZURU SASAKI
  • Publication number: 20240079646
    Abstract: A coated active material includes a positive electrode active material and a coating layer coating at least a portion of a surface of the positive electrode active material. The coating layer includes a first coating layer and a second coating layer. The first coating layer is located outside of the second coating layer. A percentage of change in specific surface area from a specific surface area of the positive electrode active material coated with the second coating layer to a specific surface area of the coated active material is greater than or equal to ?62.8% and less than or equal to +3.79%.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 7, 2024
    Inventors: KENJI NAGAO, YUTA SUGIMOTO, KAZUYA HASHIMOTO, IZURU SASAKI
  • Publication number: 20240079571
    Abstract: A coated active material of the present disclosure includes an active material and a coating layer coating at least a part of the surface of the active material. The coating layer includes a first coating material. The coated active material has a supernatant NV rate of less than 23%, where the supernatant NV rate is a ratio of the NV value of a supernatant liquid to the mass content ratio of the first coating material in a dispersing liquid obtained by dispersing the coated active material in a solvent, and the NV value of the supernatant liquid is a ratio of the mass of a non-volatile component to the mass of the supernatant liquid obtained by precipitating the coated active material by leaving the dispersing liquid to stand.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 7, 2024
    Inventors: KAZUYA HASHIMOTO, YUTA SUGIMOTO, IZURU SASAKI
  • Publication number: 20240079570
    Abstract: A coated active material includes a positive electrode active material and a coating layer coating at least a portion of a surface of the positive electrode active material. The coating layer includes a first coating layer, which contains a first solid electrolyte, and a second coating layer, which contains a base material. The first coating layer is located outside of the second coating layer. The first solid electrolyte contains Li, M, and X, where M is at least one selected from the group consisting of metalloid elements and metal elements other than Li, and X is at least one selected from the group consisting of F, Cl, Br, and I. A ratio of a specific surface area of the coated active material to a specific surface area of the positive electrode active material coated with the second coating layer is less than or equal to 42%.
    Type: Application
    Filed: November 11, 2023
    Publication date: March 7, 2024
    Inventors: YUTA SUGIMOTO, KAZUYA HASHIMOTO, AKINOBU MIYAZAKI, KENJI NAGAO, IZURU SASAKI
  • Publication number: 20240079569
    Abstract: A coated active material including: a positive electrode active material; a second coating layer; and a first coating layer outside the second coating layer, in which a percentage of change from S1 to S2 is ?78.0% or greater and ?15.0% or less and/or a percentage of change from S3 to S4 is ?77.0% or greater and ?12.0% or less, where S1 is a sum of dV/dD over a range of pore diameters of 2 nm to 100 nm of the active material coated with the second coating layer; S2 is a sum of dV/dD over a range of pore diameters of 2 nm to 100 nm of the coated active material; S3 is dV/dD at a pore diameter of 3 nm of the active material coated with the second coating layer; and S4 is dV/dD at a pore diameter of 3 nm of the coated active material.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 7, 2024
    Inventors: KENJI NAGAO, YUTA SUGIMOTO, KAZUYA HASHIMOTO, IZURU SASAKI
  • Patent number: 11922735
    Abstract: A vehicle controller is used for a first vehicle and includes processing circuitry. The processing circuitry is configured to execute an index deriving process that derives a traveling performance index of the first vehicle, the traveling performance index being an index related to a traveling performance, an index receiving process that receives the traveling performance index of a second vehicle from the second vehicle through vehicle-to-vehicle communication, and a performance determination process that compares the traveling performance index of the second vehicle with the traveling performance index of the first vehicle to determine whether a traveling performance of the first vehicle is lower than a traveling performance of the second vehicle.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: March 5, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yosuke Hashimoto, Akihiro Katayama, Yuta Oshiro, Kazuki Sugie, Naoya Oka
  • Patent number: 11912225
    Abstract: A side airbag device capable of restricting an occupant from moving to the inner side in the vehicle width direction while restraining the head of the occupant is inflatable and deployable in a space beside an occupant seated in a vehicle seat. The side airbag device includes an inflator configured to generate a gas and a bag-shaped airbag inflatable and deployable in response to the gas upon activation of the inflator to protect a lateral portion of the occupant. The airbag includes a torso protection portion, and a head protection portion configured to be provided above the torso protection portion and inflatable and deployable between an upper portion of a shoulder of the occupant and a lateral portion of a head of the occupant. The head protection portion is bendable at an acute angle relative to the torso protection portion in an inflated and deployed state of the airbag.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: February 27, 2024
    Assignee: ASHIMORI INDUSTRY CO., LTD.
    Inventors: Hidetaka Azuma, Yuta Minami, Yoshitaka Okagami, Kazuya Hashimoto
  • Patent number: 11888376
    Abstract: A rotary electric machine unit including a rotary electric machine, and an electric power conversion device having a plurality of power modules. The rotary electric machine includes a stator, a rotor, and a housing. The housing includes a housing flow path through which a refrigerant flows. The power modules of the electric power conversion device and the rotary electric machine are configured to be cooled by the refrigerant.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: January 30, 2024
    Assignee: DENSO CORPORATION
    Inventors: Ryota Tanabe, Yuta Hashimoto, Tomohisa Sano, Tomoyuki Shinkai
  • Publication number: 20240032265
    Abstract: A power card, which is to be aligned in a height direction with a cooling unit in which a refrigerant flows in an inner space extending in a lateral direction, includes a plurality of switches, a resin portion, and a plurality of external connection terminals. The switches are aligned in a vertical direction perpendicular to each of the lateral direction and the height direction. The resin portion covers each of the switches. The external connection terminals are electrically connected to the respective switches and each have a portion exposed from the resin portion.
    Type: Application
    Filed: October 5, 2023
    Publication date: January 25, 2024
    Applicant: DENSO CORPORATION
    Inventors: Yuta HASHIMOTO, Tomohisa SANO, Shoichiro OMAE, Takanori KAWASHIMA
  • Publication number: 20230328938
    Abstract: A power module has a semiconductor module and a cooling device. The cooling device has a cooling unit provided in the semiconductor module so as to be capable of conducting heat, a supply pipe configured to supply refrigerant to an interior of the cooling unit, and a discharge pipe configured to discharge the refrigerant that is flowed inside the cooling unit. The semiconductor module and the cooling unit are arranged in a z-direction. The supply pipe and the discharge pipe are spaced apart in a x-direction. Each of the supply pipe and the discharge pipe faces the semiconductor module in a y-direction.
    Type: Application
    Filed: June 14, 2023
    Publication date: October 12, 2023
    Applicant: DENSO CORPORATION
    Inventors: Tetsuya MATSUOKA, Yuta HASHIMOTO, Kazuya TAKEUCHI, Tomoki KOZAWA
  • Patent number: 11653481
    Abstract: An electric power conversion device includes: a cooler that includes a flow path through which a refrigerant flows, a first surface, and a second surface opposite to the first surface in a thickness direction; and multiple power modules that include a semiconductor device configuring an upper-lower arm circuit, and a capacitor connected to the upper-lower arm circuit in parallel. The capacitor and the semiconductor device are arranged in the thickness direction. The multiple power modules are placed on both of the first surface and the second surface of the cooler.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: May 16, 2023
    Assignee: DENSO CORPORATION
    Inventors: Tomohisa Sano, Ryota Tanabe, Yuta Hashimoto, Wataru Funatsu
  • Publication number: 20220359119
    Abstract: A capacitor module includes a capacitor element, a plurality of connection terminals for electrically connecting the capacitor element to a semiconductor module and a power supply that are another equipment, and an exterior coating that includes a resin film having electrical insulating property and wraps the capacitor element except the plurality of connection terminals.
    Type: Application
    Filed: July 21, 2022
    Publication date: November 10, 2022
    Applicant: DENSO CORPORATION
    Inventors: Mamoru KUWAHARA, Yuta HASHIMOTO, Kazuya TAKEUCHI
  • Patent number: 11496017
    Abstract: A rotating electric machine includes a field that includes a magnet unit having a plurality of magnetic poles, an armature including a multi-phase armature coil, and an electric power conversion device that is configured to perform electric power conversion and supply electric power resulting from the electric power conversion to the armature. Moreover, one of the field and the armature is configured as a rotor while the other is configured as a stator. The electric power conversion device includes at least one band-shaped busbar through which electric current flows during the electric power conversion. The at least one busbar has a cross section where a thickness in a lateral direction of the cross section at one end of the cross section in a longitudinal direction of the cross section is smaller than a thickness in the lateral direction at the other end of the cross section in the longitudinal direction.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: November 8, 2022
    Assignee: DENSO CORPORATION
    Inventors: Naoki Hirasawa, Ryota Tanabe, Yuta Hashimoto
  • Publication number: 20220021267
    Abstract: A rotating electric machine includes a housing member including a cylindrical portion. First and second electrical components are arranged in the circumferential direction along the cylindrical portion in a radial direction of the cylindrical portion. A coolant passage between an inlet portion and an outlet portion is formed in the cylindrical portion. The housing member includes a partition wall portion partitioning a portion of the coolant passage from the inlet portion to a specific position between the inlet portion and the outlet portion in the circumferential direction as an upstream-side path. The partition wall portion is separated in the radial direction from a wall portion of the cylindrical portion. The first electrical component is arranged on an inner side in the radial direction relative to the upstream-side path, and the second electrical component is arranged on the inner side in the radial direction relative to a downstream-side path.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Applicant: DENSO CORPORATION
    Inventors: Yuki TAKAHASHI, Yuta HASHIMOTO, Hideaki KURI
  • Publication number: 20210175771
    Abstract: A rotary electric machine unit including a rotary electric machine, and an electric power conversion device having a plurality of power modules. The rotary electric machine includes a stator, a rotor, and a housing. The housing includes a housing flow path through which a refrigerant flows. The power modules of the electric power conversion device and the rotary electric machine are configured to be cooled by the refrigerant.
    Type: Application
    Filed: January 21, 2021
    Publication date: June 10, 2021
    Applicant: DENSO CORPORATION
    Inventors: Ryota TANABE, Yuta HASHIMOTO, Tomohisa SANO, Tomoyuki SHINKAI
  • Publication number: 20210175780
    Abstract: A rotating electric machine includes: a field element that includes a magnet portion that includes a plurality of magnetic poles; an armature that includes an armature winding of multiple phases; and a power converter that is electrically connected to the armature winding. The rotating electric machine also includes: a plurality of electrical components that configure the power converter; and a housing member that includes a cylindrical portion that is provided on a radially inner side of a magnetic circuit portion that includes the magnet portion and the armature winding, and to which the plurality of electrical components are disposed. The cylindrical portion is provided with a coolant passage through which a coolant flows. The plurality of electrical components are arranged in the housing member on a radially inner side of the cylindrical portion, in a circumferential direction along the cylindrical portion.
    Type: Application
    Filed: January 25, 2021
    Publication date: June 10, 2021
    Applicant: DENSO CORPORATION
    Inventors: Tomohisa SANO, Yuki TAKAHASHI, Ryota TANABE, Yuta HASHIMOTO, Wataru FUNATSU, Norihiro HAYASHI
  • Publication number: 20210143747
    Abstract: A power module is applied to an electric power conversion device in which multiple upper-lower arm circuits are connected to an electric power line in parallel. The power module includes the multiple upper-lower arm circuits; a capacitor connected to each of the multiple upper-lower arm circuits in parallel; an upper wiring that connects an upper arm and a positive electrode terminal of the capacitor; a lower wiring that connects a lower arm and a negative electrode of the capacitor; an upper electric power wiring that is an electric power wiring connected to the electric power line and connects a high potential line of the electric power line and the upper wiring; and a lower electric power wiring that is an electric power wiring connected to the electric power line and connects a lower potential line of the electric power line and the lower wiring.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 13, 2021
    Applicant: DENSO CORPORATION
    Inventors: Tomohisa SANO, Ryota TANABE, Yuta HASHIMOTO, Kazuma FUKUSHIMA, Mamoru KUWAHARA