Patents by Inventor Takashi Hattori
Takashi Hattori 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: 11677291Abstract: A motor includes a motor main body including a rotor and a stator, a housing that houses the motor main body, a controller that is located above the motor main body o controls rotation of the rotor, and a cover that surrounds the controller from a radially outer side. The housing includes a cover joint that is annular and surrounds the controller when viewed in an axial direction. The cover includes a cylindrical portion that surrounds the cover joint from an outside in a radial direction. The cover joint includes a contact portion that contacts a surface of the cylindrical portion in the radial direction and an adhesive joint that is bonded with the cylindrical portion via an adhesive in the radial direction. The contact portion and the adhesive joint are adjacent each other in a circumferential direction.Type: GrantFiled: April 8, 2022Date of Patent: June 13, 2023Assignee: NIDEC CORPORATIONInventors: Takashi Hattori, Yuichi Nishikawa, Takao Atarashi, Yuki Hamada, Yu Kuwamoto
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Publication number: 20230132168Abstract: A motor includes a rotor that includes a shaft located along a central axis extending in a vertical direction, a stator that includes coils and opposes the rotor in a radial direction, a casing that supports the rotor and the stator, and a terminal attached to the casing and electrically connected to lead wires extending from the coils. The terminal includes a lead wire terminal portion extending in a direction intersecting an axial direction toward the lead wires, and an external terminal portion that is electrically connected to the lead wire terminal portion and extends in the axial direction toward the outside of the casing.Type: ApplicationFiled: March 9, 2021Publication date: April 27, 2023Inventors: Takashi HATTORI, Yuichi NISHIKAWA, Yu KUWAMOTO
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Publication number: 20230126488Abstract: A motor includes a rotor that includes a shaft located along a central axis, a stator that includes coils and opposes the rotor in a radial direction, and a lead wire support portion that is above the coil and supports lead wires extending from the coils. The lead wire support portion includes a guide portion through which the lead wires extend and which guides the lead wires to an upper side of the lead wire support portion in an axial direction. The guide portion includes a tubular insertion portion which opposes the coil and into which the lead wires are inserted and a tubular lead portion which is above the insertion portion and from which the lead wires inserted from the insertion portion are drawn out.Type: ApplicationFiled: March 9, 2021Publication date: April 27, 2023Inventors: Takashi HATTORI, Yu KUWAMOTO
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Patent number: 11634168Abstract: A motor includes a rotor including an axially extending shaft, a stator, a housing, a heat sink disposed axially above the stator, a board fixed axially above the heat sink, a connector disposed radially outside the housing, and a connector pin accommodated in the connector. The heat sink includes a main body, and a protrusion which is continuous with the main body, the protrusion extending radially outward of the housing. The connector, the protrusion, and the board overlap in this order when viewed from axially below. The connector pin is positioned radially outside the protrusion.Type: GrantFiled: June 28, 2018Date of Patent: April 25, 2023Assignee: NIDEC CORPORATIONInventors: Takashi Hattori, Toshiya Okamoto, Takanobu Oyama
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Publication number: 20230101842Abstract: A motor includes a rotor, a stator, a bearing, a motor housing, a bearing holder, a bus bar assembly, and a circuit board. The bearing holder holds the bearing to cover the opening of the motor housing, and includes a holder protrusion. The holder protrusion is located radially outside the motor housing and includes an axially penetrating terminal through hole. The bus bar assembly includes a bus bar terminal and a bus bar holder. The bus bar terminal is connected to the bus bar, extends axially downward, passes through the terminal through hole, and protrudes axially downward from the lower surface of the holder protrusion. The circuit board includes a circuit terminal extending axially downward, passing through the terminal through hole, protruding axially downward from the lower surface of the holder protrusion, and connected to the bus bar terminal.Type: ApplicationFiled: September 21, 2022Publication date: March 30, 2023Inventors: Toshiya OKAMOTO, Takashi HATTORI, Shuji IWASAKI
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Publication number: 20230102080Abstract: A motor includes a rotor, a stator, a bearing, a motor housing, a bearing holder, a bus bar assembly, and a circuit board. The bearing holder includes a holder protrusion protruding radially outward of the motor housing. A bus bar cover is attached to the lower surface of the holder protrusion. The bus bar cover covers the terminal through hole axially penetrating the holder protrusion. The bus bar cover includes a cover portion and a flange portion. The cover portion covers the lower end portions of the bus bar terminal and the circuit terminal, and is tubular with an open upper surface. The flange portion extends outward from the upper end peripheral edge portion of the cover portion and is fixed to the lower surface of the holder protrusion. The flange portion includes an annular flange projection protruding upward from the upper surface.Type: ApplicationFiled: September 22, 2022Publication date: March 30, 2023Inventors: Shuji IWASAKI, Toshiya OKAMOTO, Takashi HATTORI
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Publication number: 20230098144Abstract: A motor includes a rotor, a stator, a bearing, a motor housing, a bearing holder, a bus bar assembly, and a circuit board. The bearing holder includes a holder protrusion and a bus bar cover. The bus bar cover is located on a lower surface of the holder protrusion and covers a terminal through hole penetrating the holder protrusion in an axial direction. The bus bar cover includes a cover portion. The cover portion covers lower end portions of a bus bar terminal and a circuit terminal, is tubular, and includes an open upper surface. The cover portion is closer to the motor housing than a tangent line that connects a protruding direction outer end of a lower end of the holder protrusion and a lower end of the motor housing.Type: ApplicationFiled: September 22, 2022Publication date: March 30, 2023Inventors: Toshiya OKAMOTO, Takashi HATTORI, Shuji IWASAKI
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Patent number: 11611260Abstract: A motor includes a rotor, a stator including coils defined by windings of coil wires, a coil support into which the coil wires are inserted, a bearing supporting the shaft, a holder with a through-hole that holds both the bearing and the coil support. The coil support includes a base on the top surface of the stator, and a coil support portion extending axially upward from the base, at least a portion of which is located in the through-hole. The base is fitted to the stator through a gap.Type: GrantFiled: March 30, 2017Date of Patent: March 21, 2023Assignee: NIDEC CORPORATIONInventors: Toshiya Okamoto, Takashi Hattori, Yusaku Yoshida, Yoshiaki Yamashita, Takahiro Kizu, Yuichi Nishikawa
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Patent number: 11557936Abstract: A motor includes a wire support member that includes a wire holding portion that holds one portion of coil lead wires among the coil lead wires extending upward from a coil, a first conducting member that electrically connects the other portion of the coil lead wires to each other, and a main body portion that supports the wire holding portion and a first conducting member, a bus bar unit includes a second conducting member connected to the coil lead wire held by the wire holding portion, and a bus bar holder that holds the second conducting member, and a bearing holder includes a through-hole which penetrates the bearing holder in an axial direction and through which a coil end of the coil lead wire or the second conducting member passes.Type: GrantFiled: October 15, 2020Date of Patent: January 17, 2023Assignee: NIDEC CORPORATIONInventors: Kosuke Ogawa, Takashi Hattori, Shunsuke Murakami, Takao Atarashi, Hidehiro Haga
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Publication number: 20230005386Abstract: Provided is a learning assistance technology that uses a learning history to check the level of comprehension by a learner in relation to a learning target.Type: ApplicationFiled: December 10, 2019Publication date: January 5, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takashi HATTORI, Sanae FUJITA, Yoshinari SHIRAI
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Publication number: 20220393556Abstract: A motor assembly includes a housing and a plate-shaped first substrate. The housing houses a motor whose axis of rotation extends in the axial direction. Electronic components are mounted on the first substrate. The housing includes a tubular portion and a side wall portion. The tubular portion extends in the axial direction and accommodates the motor. The side wall portion protrudes from a radial outer surface of the tubular portion in a direction including at least the radially outward direction and the circumferential direction, and extends in the axial direction. An accommodation space to accommodate the electronic components is provided between the tubular portion and the side wall portion as viewed from the axial direction.Type: ApplicationFiled: September 1, 2020Publication date: December 8, 2022Inventors: Toshiya OKAMOTO, Yoshiaki YAMASHITA, Takashi HATTORI
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Patent number: 11522408Abstract: A motor includes a rotor, a stator that surrounds the radial outer side of the rotor, a housing that contains the rotor and the stator, a holder axially above the stator, a substrate fixed to the axial upper side of the holder, and a connector radially outward of the housing and electrically connected to the substrate. The holder includes a holder body, and a holder protrusion that connects to the holder body and extends radially outward from the housing. The connector contacts the underside of the holder protrusion.Type: GrantFiled: March 30, 2017Date of Patent: December 6, 2022Assignee: NIDEC CORPORATIONInventors: Takashi Hattori, Takahiro Kizu, Toshiya Okamoto, Yuichi Nishikawa, Yoshiaki Yamashita
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Publication number: 20220385145Abstract: A motor assembly includes a housing, a first substrate, a plate-shaped second substrate, and a connector portion. The housing includes a tubular portion that accommodates a motor with an axis of rotation that extends in the vertical direction. The first substrate extends in a direction perpendicular to the axial direction. The second substrate extends in a direction intersecting the first substrate. The connector portion electrically connects the first substrate and the second substrate. The connector portion overlaps with the housing as viewed from the axial direction.Type: ApplicationFiled: September 14, 2020Publication date: December 1, 2022Inventors: Toshiya OKAMOTO, Yoshiaki YAMASHITA, Takashi HATTORI
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Patent number: 11515747Abstract: A motor includes a rotor including a shaft extending in an axial direction, a stator surrounding a radially outer portion of the rotor, a support into which the conductor is inserted, the support being made of an insulating material, and a holder including through holes to hold the support, in which the support includes the first and second protuberances at least a portion of which is located in the through hole, the first and second protuberances being provided at intervals, and a base portion connecting the first and second, protuberances, and in which at least a portion of each of facing regions of a side surface of the first protuberance is close to the holder, and the second protuberance has a clearance with respect to the holder.Type: GrantFiled: January 25, 2019Date of Patent: November 29, 2022Assignee: NIDEC CORPORATIONInventors: Toshiya Okamoto, Takashi Hattori
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Publication number: 20220376582Abstract: A motor assembly includes a housing, a first substrate, a second substrate, and a cover. The housing includes a tubular portion that accommodates a motor whose axis of rotation extends in the vertical direction. The first substrate opposes the radial outer end surface of the tubular portion in the radial direction. The second substrate extends perpendicularly to the axial direction and is above the motor. The cover includes a first cover portion that covers the radial outer end surface of the first substrate, and a second cover portion that covers the upper surface of the second substrate. The outer edge of the first cover portion as viewed from the radial direction and the outer edge of the second cover portion as viewed from the axial direction come into contact with the housing via a seal.Type: ApplicationFiled: September 14, 2020Publication date: November 24, 2022Inventors: Toshiya OKAMOTO, Yoshiaki YAMASHITA, Takashi HATTORI
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Patent number: 11472313Abstract: A vehicle seat in the present disclosure includes a seat cushion; a seatback; a sliding device configured to slidably support a seat main body that includes the seat cushion and the seatback; a first locking mechanism configured to restrict a sliding movement of the seat main body when the seat cushion and the seatback are placed in an occupiable state; a tip-up mechanism configured to rotationally displace the seat cushion in conjunction with a frontward tilting movement of the seatback; and a second locking mechanism configured to restrict a sliding movement of the seat main body when an elevation angle of the seat cushion exceeds a preset angle by an operation of the tip-up mechanism.Type: GrantFiled: January 28, 2020Date of Patent: October 18, 2022Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Takashi Hattori, Yoshiyuki Kumazaki
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Publication number: 20220310403Abstract: To provide an etching processing method and an etching processing apparatus which allow an aluminum oxide film to be etched with high accuracy and with a high selectivity to each of a silicon oxide film and a silicon nitride film, the etching processing method includes the step of placing, in a processing chamber, a wafer having the aluminum oxide film disposed on an upper surface thereof, maintaining the wafer at a temperature of ?20° C. or less, and supplying vapor of hydrogen fluoride from a plurality of through holes in a plate-like member disposed above the upper surface of the wafer with a predetermined gap being provided therebetween only for a predetermined period to etch the aluminum oxide film.Type: ApplicationFiled: June 30, 2020Publication date: September 29, 2022Inventors: Hiroto Otake, Takashi Hattori
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Patent number: 11416552Abstract: A graph updating device includes: a K neighbor vertex search unit that searches for a K neighbor vertex set of an added vertex in a neighbor graph on the basis of the neighbor graph and an object added to the neighbor graph as an added vertex and outputs the K neighbor vertex set; a vertex selection unit that selects a vertex candidate set on the basis of the neighbor graph, the added vertex, and the K neighbor vertex set of the added vertex and outputs the vertex candidate set, the vertex candidate set being a set of vertices that is present in the neighbor graph and possibly contains the added vertex in a K neighbor vertex set thereof; and a neighbor graph updating unit that reconstructs a K neighbor vertex set related to all vertices of the neighbor graph using K neighbor vertex sets of respective vertices of the vertex candidate set and adds the K neighbor vertex set of the added vertex to the reconstructed K neighbor vertex set to generate an updated neighbor graph.Type: GrantFiled: May 8, 2019Date of Patent: August 16, 2022Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kazuo Aoyama, Takashi Hattori
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Publication number: 20220231564Abstract: A motor includes a motor main body including a rotor and a stator, a housing that houses the motor main body, a controller that is located above the motor main body o controls rotation of the rotor, and a cover that surrounds the controller from a radially outer side. The housing includes a cover joint that is annular and surrounds the controller when viewed in an axial direction. The cover includes a cylindrical portion that surrounds the cover joint from an outside in a radial direction. The cover joint includes a contact portion that contacts a surface of the cylindrical portion in the radial direction and an adhesive joint that is bonded with the cylindrical portion via an adhesive in the radial direction. The contact portion and the adhesive joint are adjacent each other in a circumferential direction.Type: ApplicationFiled: April 8, 2022Publication date: July 21, 2022Inventors: Takashi HATTORI, Yuichi NISHIKAWA, Takao ATARASHI, Yuki HAMADA, Yu KUWAMOTO
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Publication number: 20220197870Abstract: A scenario execution system includes a scenario execution terminal, a log management device, and a storage device. The scenario execution terminal includes a scenario execution unit and an event notification unit. The scenario execution unit executes a scenario file having a scenario indicating a procedure of operations in the scenario execution terminal described therein. The event notification unit notifies the log management device of information on an event generated by the scenario execution unit executing the scenario file. The log management device includes a log recording unit that receives the information on the event from the scenario execution terminal and records log data having the received information on the event set therein on the storage device. The storage device adds, to the log data, information uniquely generated on the basis of log data recorded before such log data and stores resultant log data.Type: ApplicationFiled: December 14, 2021Publication date: June 23, 2022Applicant: NTT Advanced Technology CorporationInventors: Akinori YAMAMOTO, Yusuke Tsujikawa, Takashi Hattori, Shuichi Miyazaki