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).
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Patent number: 12237745Abstract: 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: GrantFiled: December 20, 2022Date of Patent: February 25, 2025Inventors: Kai Iijima, Yuji Sasaki, Tatsuya Fukui
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Publication number: 20250020724Abstract: 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: ApplicationFiled: June 20, 2024Publication date: January 16, 2025Inventors: Mai FUJIWARA, Yuji NISHI, Shingo KAWAHARA, Hiroki KONDO, Tsuyoshi SASAKI
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Patent number: 12191231Abstract: 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: GrantFiled: December 13, 2022Date of Patent: January 7, 2025Inventors: Shun Nakayama, Yuji Sasaki
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Publication number: 20240405628Abstract: 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: ApplicationFiled: August 14, 2024Publication date: December 5, 2024Inventors: Yoshihito KATSU, Shun NAKAYAMA, Yuji SASAKI, Koji SAKOTA
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Publication number: 20240356407Abstract: 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: ApplicationFiled: July 1, 2024Publication date: October 24, 2024Inventors: Shun NAKAYAMA, Yuji SASAKI, Yoshihito KATSU, Koji SAKOTA, Yoshikazu MINEDA
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Publication number: 20240202628Abstract: 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: ApplicationFiled: February 29, 2024Publication date: June 20, 2024Applicant: TOYOTA JIDOSA KABUSHIKI KAISHAInventors: Junya WATANABE, Yuji Sasaki, Seiji Arakawa, Naotoshi Kadotani, Masafumi Hayakawa, Takashi Hayashi
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Patent number: 11979064Abstract: 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: GrantFiled: October 5, 2021Date of Patent: May 7, 2024Inventors: Hikaru Sugiura, Yuji Sasaki, Tatsumi Inomata, Kai Iijima, Tatsuya Fukui, Yoshihito Katsu, Kuniaki Iizuka, Ryosuke Yumoto
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Publication number: 20240120800Abstract: 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: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Inventors: Shun NAKAYAMA, Koji SAKOTA, Yuji SASAKI, Yoshihito KATSU
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Patent number: 11954625Abstract: 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: GrantFiled: November 5, 2021Date of Patent: April 9, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Junya Watanabe, Yuji Sasaki, Seiji Arakawa, Naotoshi Kadotani, Masafumi Hayakawa, Takashi Hayashi
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Patent number: 11929651Abstract: 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: GrantFiled: September 22, 2021Date of Patent: March 12, 2024Inventors: Nobuyuki Ikeya, Yuji Sasaki, Masaya Taniguchi, Gen Kuwata, Satoru Ohashi
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Patent number: 11915176Abstract: 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: GrantFiled: November 4, 2021Date of Patent: February 27, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Junya Watanabe, Yuji Sasaki, Seiji Arakawa, Naotoshi Kadotani, Masafumi Hayakawa, Takashi Hayashi
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Publication number: 20240032424Abstract: 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: ApplicationFiled: July 19, 2023Publication date: January 25, 2024Inventors: Yuji SASAKI, Takehiro TAKEDA
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Patent number: 11808163Abstract: 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: GrantFiled: October 14, 2021Date of Patent: November 7, 2023Assignee: IHI CORPORATIONInventors: Hikaru Sugiura, Yuji Sasaki, Kai Iijima, Ryosuke Yumoto, Tatsuya Fukui, Yoshihito Katsu
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Publication number: 20230347275Abstract: 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: ApplicationFiled: March 2, 2023Publication date: November 2, 2023Applicant: NGK Insulators, Ltd.Inventors: Fumihiko YOSHIOKA, Yuji SASAKI, Yasuyuki FURUTA, Ritsuko TERANISHI, Ayaka SAKAI, Tatsuya OHASHI
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Patent number: 11788552Abstract: 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: GrantFiled: December 24, 2020Date of Patent: October 17, 2023Inventors: Kuniaki Iizuka, Yuji Sasaki, Tatsumi Inomata, Ryosuke Yumoto, Kai Iijima, Tatsuya Fukui, Hikaru Sugiura, Yoshihito Katsu
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Publication number: 20230296031Abstract: 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: ApplicationFiled: May 24, 2023Publication date: September 21, 2023Inventors: Koji SAKOTA, Yuji SASAKI, Shun NAKAYAMA
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Publication number: 20230296108Abstract: 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: ApplicationFiled: May 24, 2023Publication date: September 21, 2023Inventors: Koji SAKOTA, Yuji SASAKI, Shun NAKAYAMA
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Patent number: 11759740Abstract: 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: GrantFiled: January 18, 2021Date of Patent: September 19, 2023Assignee: NGK INSULATORS, LTD.Inventors: Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Sachiko Ishida, Kyohei Kato
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Patent number: 11759741Abstract: 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: GrantFiled: January 18, 2021Date of Patent: September 19, 2023Assignee: NGK INSULATORS, LTD.Inventors: Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Sachiko Ishida, Kyohei Kato
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Publication number: 20230279873Abstract: 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: ApplicationFiled: February 21, 2023Publication date: September 7, 2023Inventors: Koji SAKOTA, Yuji SASAKI, Shun NAKAYAMA