Patents by Inventor Yuji Sasaki

Yuji Sasaki 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: 12237745
    Abstract: A stator includes: a stator core having an annular shape; teeth that protrudes inwardly in a radial direction from an inner peripheral surface of the stator core; an insulator that covers the teeth; and a winding wound around the teeth with the insulator interposed between the winding and the teeth. The teeth includes: a right surface extending in a first direction along a central axis of the stator core; a left surface extending in the first direction; a top surface that extends between the right surface and the left surface in a second direction intersecting the first direction; a bottom surface that extends between the right surface and the left surface in the second direction; and a through-hole portion penetrating through the teeth from the top surface to the bottom surface.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: February 25, 2025
    Inventors: Kai Iijima, Yuji Sasaki, Tatsuya Fukui
  • Publication number: 20250020724
    Abstract: A positive electrode active material includes: a rich phase; a poor phase; and a two-phase coexistence phase in which the rich phase and the poor phase coexist. A method of managing a battery includes, in a many particle model in which the positive electrode active material is represented by a plurality of particles each distinguished by a particle number indicating a reaction sequence of the positive electrode active material, assuming that the charge carriers are equal in content among one or more particles belonging to each of the rich phase, the poor phase, and the two-phase coexistence phase: calculating an overvoltage of each of the particles for each of the phases; calculating a reaction current density based on the overvoltage for each of the phases; and estimating an SOC of the storage battery based on the reaction current density in each of the phases.
    Type: Application
    Filed: June 20, 2024
    Publication date: January 16, 2025
    Inventors: Mai FUJIWARA, Yuji NISHI, Shingo KAWAHARA, Hiroki KONDO, Tsuyoshi SASAKI
  • Patent number: 12191231
    Abstract: A rotary machine includes an electric motor, an impeller to be rotated by driving the electric motor and suck in and compress a gas, and a housing that houses the impeller and includes a suction port for the gas. The rotary machine further includes heat dissipation fins provided on the housing and disposed to be heat-exchangeable with the gas passing through the suction port, and an inverter connected to the housing and that controls the electric motor.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: January 7, 2025
    Inventors: Shun Nakayama, Yuji Sasaki
  • Publication number: 20240405628
    Abstract: Provided is a bus bar that is used in an electric machine. The bus bar includes a first conductive bar and a first insulation. The first conductive bar includes a first connecting portion and a first insulation portion. The first insulation is provided on a surface of the first insulation portion. The first conductive bar is connected to the second conductive bar through the first insulation and is insulated.
    Type: Application
    Filed: August 14, 2024
    Publication date: December 5, 2024
    Inventors: Yoshihito KATSU, Shun NAKAYAMA, Yuji SASAKI, Koji SAKOTA
  • Publication number: 20240356407
    Abstract: A rotor includes a shaft, a magnet located around the shaft, an inner sleeve located around the shaft and between the shaft and the magnet, and an end ring located around the inner sleeve and positioned adjacent to the magnet. The inner sleeve includes a holding portion having an inner diameter that surrounds and holds the shaft, and a gap forming portion including a first inner diameter that is larger than the inner diameter of the holding portion, such that the gap forming portion is spaced apart from the shaft. A part of the magnet is located on the holding portion. The end ring is located on the gap forming portion.
    Type: Application
    Filed: July 1, 2024
    Publication date: October 24, 2024
    Inventors: Shun NAKAYAMA, Yuji SASAKI, Yoshihito KATSU, Koji SAKOTA, Yoshikazu MINEDA
  • Publication number: 20240202628
    Abstract: A server includes a unit obtaining a position of a registered vehicle, a unit obtaining a vehicle dispatch position, a unit determining a candidate vehicle based on the vehicle dispatch position and the position of the registered vehicle, a unit transmitting information regarding an autonomous driving function of the candidate vehicle to a user device, a unit receiving information for identifying a dispatch vehicle, and a unit transmitting a vehicle dispatch position to the dispatch vehicle. The user device includes a unit receiving the information regarding the autonomous driving function of the candidate vehicle, a unit displaying the information regarding the autonomous driving function of the candidate vehicle, an unit accepting a user operation for selecting the dispatch vehicle, and a unit transmitting the information for identifying the dispatch vehicle to the server.
    Type: Application
    Filed: February 29, 2024
    Publication date: June 20, 2024
    Applicant: TOYOTA JIDOSA KABUSHIKI KAISHA
    Inventors: Junya WATANABE, Yuji Sasaki, Seiji Arakawa, Naotoshi Kadotani, Masafumi Hayakawa, Takashi Hayashi
  • Patent number: 11979064
    Abstract: An example motor rotor includes a cylindrical magnet which is disposed around a rotation shaft, a protective layer which is disposed around the magnet, and a middle resin portion which is disposed between the magnet and the protective layer. The magnet has a cylindrical shape that extends continuously in a circumferential direction of the rotation shaft. A surface treatment portion is formed on at least one of an outer peripheral surface of the magnet or an inner peripheral surface of the protective layer, to impart adhesion with the middle resin portion.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: May 7, 2024
    Inventors: Hikaru Sugiura, Yuji Sasaki, Tatsumi Inomata, Kai Iijima, Tatsuya Fukui, Yoshihito Katsu, Kuniaki Iizuka, Ryosuke Yumoto
  • Publication number: 20240120800
    Abstract: A terminal connection structure of a motor casing configured to house an AC motor of a plurality of phases, the terminal connection structure includes a plurality of terminal blocks located side by side to each other along a circumferential direction of the motor casing and including a plurality of terminal surfaces facing away from the motor casing, and a plurality of terminals that penetrate the terminal blocks and are configured to be electrically connected to the phases of the AC motor. A portion of each of the terminals is located on the terminal surfaces. At least one terminal surface is offset in a perpendicular direction from a plane aligned with another terminal surface of the plurality of terminal surfaces.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 11, 2024
    Inventors: Shun NAKAYAMA, Koji SAKOTA, Yuji SASAKI, Yoshihito KATSU
  • Patent number: 11954625
    Abstract: A server includes a unit obtaining a position of a registered vehicle, a unit obtaining a vehicle dispatch position, a unit determining a candidate vehicle based on the vehicle dispatch position and the position of the registered vehicle, a unit transmitting information regarding an autonomous driving function of the candidate vehicle to a user device, a unit receiving information for identifying a dispatch vehicle, and a unit transmitting a vehicle dispatch position to the dispatch vehicle. The user device includes a unit receiving the information regarding the autonomous driving function of the candidate vehicle, a unit displaying the information regarding the autonomous driving function of the candidate vehicle, an unit accepting a user operation for selecting the dispatch vehicle, and a unit transmitting the information for identifying the dispatch vehicle to the server.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: April 9, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junya Watanabe, Yuji Sasaki, Seiji Arakawa, Naotoshi Kadotani, Masafumi Hayakawa, Takashi Hayashi
  • Patent number: 11929651
    Abstract: An inverter integrated gas supply device includes a fluid machine configured to discharge air, an electric motor having a motor casing and configured to drive the fluid machine, an inverter having an inverter casing and configured to supply a drive current to the electric motor, a motor-side connection part attached to the motor casing and configured to receive the drive current, and an inverter-side connection part attached to the inverter casing, connected to the motor-side connection part. The motor-side connection part includes a motor-side connector housing, and a motor connector. The inverter-side connection part includes an inverter-side connector housing, and an inverter connector. A position of the motor connector relative to the motor-side connector housing is fixed; and a position of the inverter connector relative to the inverter-side connector housing is variable.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: March 12, 2024
    Inventors: Nobuyuki Ikeya, Yuji Sasaki, Masaya Taniguchi, Gen Kuwata, Satoru Ohashi
  • Patent number: 11915176
    Abstract: A server includes a unit obtaining a position of a registered vehicle, a unit obtaining a vehicle dispatch position, a unit determining a candidate vehicle based on the vehicle dispatch position and the position of the registered vehicle, a unit transmitting information regarding an autonomous driving function of the candidate vehicle to a user device, a unit receiving information for identifying a dispatch vehicle, and a unit transmitting a vehicle dispatch position to the dispatch vehicle. The user device includes a unit receiving the information regarding the autonomous driving function of the candidate vehicle, a unit displaying the information regarding the autonomous driving function of the candidate vehicle, an unit accepting a user operation for selecting the dispatch vehicle, and a unit transmitting the information for identifying the dispatch vehicle to the server.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: February 27, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junya Watanabe, Yuji Sasaki, Seiji Arakawa, Naotoshi Kadotani, Masafumi Hayakawa, Takashi Hayashi
  • Publication number: 20240032424
    Abstract: A method for manufacturing a measuring device includes: a step of preparing a structure; a step of fixing a piece to a housing by first welding on a distal end face of the structure; and a step of polishing a welded portion formed by the first welding and the distal end face. The structure includes: the housing having a first end and a second end which are open in one direction; a thermocouple extending in the one direction in the housing; and the piece provided in the housing, exposed from the first end, and configured to hold the thermocouple. The piece has a side face facing an inner surface of the housing. In the step of preparing the structure, the thermocouple is accommodated between a pair of grooves provided on the side face and the inner surface of the housing by inserting the piece into the housing.
    Type: Application
    Filed: July 19, 2023
    Publication date: January 25, 2024
    Inventors: Yuji SASAKI, Takehiro TAKEDA
  • Patent number: 11808163
    Abstract: A turbine housing has: a first inner member; a second inner member contacting with the first inner member; a turbine scroll flow path enclosed and defined by the first inner member and the second inner member; a first casting housing covering the first inner member at a side opposite to the second inner member; a second casting housing covering the second inner member at a side opposite to the first inner member; an aperture formed in one or both of the first casting housing and the second casting housing and including an opening that opens to an outside; a tube member arranged in the aperture and defining an inlet flow path connected to the turbine scroll flow path; and an inner opening defined by the first inner member and the second inner member and overlapping with one end of the tube member.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: November 7, 2023
    Assignee: IHI CORPORATION
    Inventors: Hikaru Sugiura, Yuji Sasaki, Kai Iijima, Ryosuke Yumoto, Tatsuya Fukui, Yoshihito Katsu
  • Publication number: 20230347275
    Abstract: A honeycomb filter comprising a pillar-shaped honeycomb structure body having a porous partition wall and a plugging portion, wherein, in a pore diameter distribution of the partition wall, in the case where the pore diameter (µm) whose cumulative pore volume is 10% of the total pore volume is denoted by D10, the pore diameter (µm) whose cumulative pore volume is 50% of the total pore volume is denoted by D50, and the pore diameter (µm) whose cumulative pore volume is 90% of the total pore volume is denoted by D90, all of the following equations (1) to (6) are satisfied. 8 .4 ? ? m<D10 ­­­(1) 17 .5 ? ? m<D50<24 .0 ? ? m ­­­(2) D90<55 .2 ? ? m ­­­(3) logD90-logD10 / logD50 <0 .60 ­­­(4) logD90 / logD50 <1 .30 ­­­(5) logD50 / logD10 <1 .
    Type: Application
    Filed: March 2, 2023
    Publication date: November 2, 2023
    Applicant: NGK Insulators, Ltd.
    Inventors: Fumihiko YOSHIOKA, Yuji SASAKI, Yasuyuki FURUTA, Ritsuko TERANISHI, Ayaka SAKAI, Tatsuya OHASHI
  • Patent number: 11788552
    Abstract: An example rotary machine includes a motor including a rotor and a stator, and a cooling jacket disposed around the stator. The cooling jacket includes an inner body part being cylindrical and in contact with the stator, an outer body part being cylindrical and surrounding the inner body part, and a groove through which a cooling medium passes, the groove circling helically around an outer circumference of the inner body part at least once. The groove has a pair of side surfaces opposed in a direction of an axis of rotation of the rotor, and a bottom surface connected to each of the pair of side surfaces. Each of the pair of side surfaces is formed having a draft angle inclined away from each other, the draft angle inclined relative to a release direction orthogonal to the axis of rotation.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: October 17, 2023
    Inventors: Kuniaki Iizuka, Yuji Sasaki, Tatsumi Inomata, Ryosuke Yumoto, Kai Iijima, Tatsuya Fukui, Hikaru Sugiura, Yoshihito Katsu
  • Publication number: 20230296031
    Abstract: An electric turbocharger includes an electric motor including a stator disposed annularly about a rotation axis, a first member thermally coupled with a first end face of the stator and forming a first cooling passage that extends around the rotation axis, and a second member thermally coupled with a second end face of the stator and accommodating a second cooling passage that extends around the rotation axis.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Inventors: Koji SAKOTA, Yuji SASAKI, Shun NAKAYAMA
  • Publication number: 20230296108
    Abstract: A rotary machine includes a rotating shaft, a compressor impeller, a compressor housing, a diffuser plate and an impeller installation portion. The diffuser plate is fixed to the compressor housing and forms a diffuser flow path. The impeller installation portion faces the compressor impeller and is located between the rotating shaft and the diffuser plate. The diffuser plate is located around an outer circumference of the impeller installing portion and is attached to the impeller installation portion.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Inventors: Koji SAKOTA, Yuji SASAKI, Shun NAKAYAMA
  • Patent number: 11759740
    Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 8 to 12 and in a pore diameter distribution which indicates a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (?m) on an abscissa axis and a log differential pore volume (cm3/g) on an ordinate axis, a first peak that includes a maximum value of the log differential pore volume has a pore diameter value of 10 ?m or less, the pore diameter value corresponding to a ? value width of the maximum value.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: September 19, 2023
    Assignee: NGK INSULATORS, LTD.
    Inventors: Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Sachiko Ishida, Kyohei Kato
  • Patent number: 11759741
    Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 13 to 18 ?m, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (?m) on an abscissa axis and a log differential pore volume (cm3/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 15 ?m or less, the pore diameter value corresponding to a ? value width of the maximum value.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: September 19, 2023
    Assignee: NGK INSULATORS, LTD.
    Inventors: Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Sachiko Ishida, Kyohei Kato
  • Publication number: 20230279873
    Abstract: An electric turbocharger includes a motor including a stator, and a diffuser plate thermally coupled to an end surface of the stator to transfer heat from the stator to the diffuser plate. The diffuser plate forming a cooling flow path to circulate a cooling medium.
    Type: Application
    Filed: February 21, 2023
    Publication date: September 7, 2023
    Inventors: Koji SAKOTA, Yuji SASAKI, Shun NAKAYAMA