Patents by Inventor Hiroshi Shirai

Hiroshi Shirai 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: 11031841
    Abstract: An electric actuator includes a motor, a speed reduction mechanism, a first bearing, and a bearing holder. The speed reduction mechanism has external and internal gears, an output flange that is positioned at one side in an axial direction from the external gear, and a plurality of projecting portions that project in the axial direction from one of the output flange and the external gear toward the other. The plurality of projecting portions are inserted into a plurality of first bore portions disposed along a circumferential direction, respectively. The bearing holder has a cylindrical circumferential wall positioned at an outer side in a radial direction of the first bearing and a support wall supporting the first bearing from the other side in the axial direction. A position adjustment mechanism configured to be capable of moving the support wall in the axial direction is arranged in the bearing holder.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: June 8, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Hiroshi Shirai, Shuichi Kinjo, Tomoki Sato
  • Patent number: 10978939
    Abstract: An electric actuator includes a first wiring member with a first connection portion exposed to one side in an axial-direction of a first case and a second wiring member with a second connection portion exposed to another side in the axial-direction of a second case, the first and second connection portions each having two opposing portions that respectively oppose in first and second directions with first and second gaps therebetween, the first gap having a narrow portion and a wide portion (larger in the first direction) connected thereto on the other side in the axial-direction, the second gap having a narrow portion and a wide portion (larger in the second direction) connected thereto on the one side in the axial-direction, and the first and second gaps overlapping at least partially when the first and second case are fixed, and the first and second connection portions are electrically connected.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: April 13, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Hiroshi Shirai, Shuichi Kinjo, Yutaka Uematsu, Kenichi Ozawa
  • Patent number: 10978820
    Abstract: An integrated circuit socket includes a housing having a flat plate portion and a plurality of contacts disposed in the housing. The contacts each have a contact beam projecting outwardly from a first surface of the housing and a retained portion disposed in a passageway in the flat plate portion. The contact beam extends from the retained portion. The retained portion has a base portion with a flat-plate shape and a pair of side portions extending at an angle with respect to the base portion on a pair of opposite sides of the base portion. A cross-section of the retained portion parallel to the first surface has a U-shape.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: April 13, 2021
    Assignee: Tyco Electronics Japan G.K.
    Inventors: Shinichi Hashimoto, Masayuki Aizawa, Hiroshi Shirai, Naoki Hashimoto
  • Patent number: 10939560
    Abstract: An electrical connector assembly includes a contact organizer having a substrate having a lower surface facing the host circuit board and an upper surface facing a component circuit board. The electrical connector includes data transmission contacts each including a main body, a upper mating element extending from the main body top mated to the component circuit board, and a lower mating element extending from the main body bottom soldered to the host circuit board. The main body includes a main body length between the top and the bottom and an adjustable height section to adjust a height of the main body between the top and the bottom. The adjustable height sections of the data transmission contacts are varied to adjust vertical positions of at least one of the upper mating element or the lower mating element such that the contacts have variable heights.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: March 2, 2021
    Assignees: TYCO ELECTRONICS JAPAN G.K., TE CONNECTIVITY SERVICES GmbH
    Inventors: Craig Warren Hornung, Chad William Morgan, Hiroshi Shirai, John Joseph Consoli
  • Patent number: 10910911
    Abstract: An electric actuator includes: a motor; a first case accommodating the motor; a second case located on one side in an axial direction of the first case; a bearing holder fixed to the first case; and a first bearing held by the bearing holder. The first case has a wall part covering the other side in the axial direction of a stator and having a through hole. The bearing holder has: a holder cylindrical part holding the first bearing and inserted into the through hole; and a holder flange part fixed to the wall part. An inner diameter of the through hole is larger than an outer diameter of the holder cylindrical part. At least a part of a radially outer surface of the holder cylindrical part in a circumferential direction is located in a position radially inside and away from a radially inner surface of the through hole.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: February 2, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Hiroshi Shirai, Shuichi Kinjo, Kazuhiro Saito
  • Patent number: 10908042
    Abstract: A pressure sensor device includes a pressure sensor having a housing positioned on a center axis extending vertically, a sensing hole provided in a lower part of the housing, and an electrode unit provided in an upper part of the housing; and a connecting member having a contact spring that is pressed against the electrode unit of the pressure sensor. The electrode unit includes a first frame-shaped electrode having a frame-like shape that is rotationally symmetrical with respect to the center axis; and an annular first-surface portion on which the first frame-shaped electrode is placed.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: February 2, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Tomoka Osawa, Hiroshi Shirai, Toshiaki Nakamura
  • Publication number: 20210028569
    Abstract: An interposer includes a housing having a plurality of through-holes penetrating a first surface and a second surface and a signal contact pair composed of a pair of signal contacts. Each of the signal contacts includes a base portion press-fitted in one of the through-holes, a first contact beam extending from the base portion beyond the first surface, and a second contact beam extending from the base portion beyond the second surface. The pair of signal contacts are positioned adjacently to each other widthwise and are each asymmetrical with respect to a width direction. A first minimum spacing between the first contact beams of the pair of signal contacts is narrower than a second minimum spacing between the base portions of the pair of signal contacts. The signal contact pair has a plane-symmetrical shape with respect to the width direction.
    Type: Application
    Filed: July 23, 2020
    Publication date: January 28, 2021
    Applicant: Tyco Electronics Japan G.K.
    Inventors: Shinichi Hashimoto, Hiroshi Shirai, Masayuki Aizawa
  • Publication number: 20200381841
    Abstract: A connector for connecting an antenna array includes an insulation body, a plurality of feed terminals on the insulation body electrically contacting a plurality of feed lines of the antenna array, and a plurality of ground terminals on the insulation body electrically contacting a ground layer of the antenna array.
    Type: Application
    Filed: June 1, 2020
    Publication date: December 3, 2020
    Applicants: Tyco Electronics (Shanghai) Co. Ltd., TE Connectivity Corporation, Tyco Electronics Japan G.K.
    Inventors: Jiahui Chen, Michael Tryson, Hiroshi Shirai, Zhiqiang Li, Biaobing Lv
  • Patent number: 10804771
    Abstract: This disclosure provides an electric actuator and a rotation control mechanism. The electric actuator includes: a motor; a speed reduction mechanism; an output part; and a rotation detection device. The output part extends in an axial direction and is disposed on one side in the axial direction with respect to a motor shaft of the motor. The rotation detection device has: a magnet that is fixed to the output part and extends in a circumferential direction of the output part; and a rotation sensor that faces the magnet in the axial direction or in a radial direction. The magnet has multiple magnetic poles disposed in the circumferential direction. At least one magnetic pole of the magnet is disposed at a predetermined angular position with respect to an angle reference position of the output part in a rotation direction.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: October 13, 2020
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Yutaka Uematsu, Jaehyun Kim, Toshiaki Nakamura, Shuichi Kinjo, Hiroshi Shirai
  • Patent number: 10763724
    Abstract: The sensor unit (40) includes a case (41) having a bottom surface (41a); a sensor element (42) including a sensor element main body (421) and a power supply terminal (42a); and a power supply bus bar (44) including an inclined part (44d) and a first connection part (44a). An end on one side of the power supply terminal (42a) is electrically connected to the sensor element main body (421). In a state where the power supply terminal (42a) passes through the first connection part (44a), an end on the other side of the power supply terminal (42a) is in contact with the inclined part (44d) and the first connection part (44a) is in contact with the power supply terminal (42a), so that movement of the power supply terminal (42a) in a direction away from the bottom surface (41a) is restricted.
    Type: Grant
    Filed: July 7, 2019
    Date of Patent: September 1, 2020
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Hiroshi Shirai, Toshiaki Nakamura
  • Patent number: 10741950
    Abstract: A communication system includes first and second circuit card assemblies mated such that first and second PCBs move relative to each other along a board mating axis parallel to a slot in the first PCB with the first PCB oriented perpendicular to the second PCB and with first and second mating ends of first and second electrical connectors oriented parallel to the board mating axis. The first and second circuit card assemblies are mated such that the first electrical connector and the second electrical connector move relative to each other along a connector mating axis perpendicular to the board mating axis. Mating interfaces the contacts are oriented at contact mating angles non-parallel to the board loading axis and non-parallel to the connector mating axis.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: August 11, 2020
    Assignees: TE CONNECTIVITY CORPORATION, TYCO ELECTRONICS JAPAN G.K.
    Inventors: John Joseph Consoli, Chad William Morgan, Hiroshi Shirai
  • Publication number: 20200251958
    Abstract: An electric actuator includes a motor including a rotor having a motor shaft extending along a central axis and a stator, a deceleration mechanism connected to the motor shaft, an output shaft, a first bearing, a second bearing, and a deceleration mechanism case. The first bearing is fitted on an eccentric axis part of the motor shaft. The deceleration mechanism includes an internal gear in a ring shape, an external gear connected to the eccentric axis part, and an output flange part which transmits rotation of the external gear around the central axis to the output shaft. The deceleration mechanism case includes a case body and a cup member. The cup member includes a first cylinder part to which the internal gear is fitted on the radial-direction inner side, and a second cylinder part to which the second bearing is fitted on the radial-direction inner side.
    Type: Application
    Filed: January 8, 2020
    Publication date: August 6, 2020
    Applicant: NIDEC TOSOK CORPORATION
    Inventors: Shuichi KINJO, Hiroshi SHIRAI, Yutaka UEMATSU
  • Publication number: 20200251951
    Abstract: An electric actuator includes a motor and a deceleration mechanism. The motor has a motor case having a first opening end surface. The deceleration mechanism has a deceleration mechanism case having a second opening end surface. The motor case and the deceleration mechanism case are connected via a sealing member. The first opening end surface has a first end surface body part and a first end surface protrusion part. The second opening end surface has a second end surface body part and a second end surface protrusion part. The sealing member has a body part sealing part and a protrusion part sealing part. The protrusion part sealing part has an axial-direction protrusion that faces a side surface of the motor case in the first end surface protrusion part or a side surface of the deceleration mechanism case in the second end surface protrusion part in a circumferential direction.
    Type: Application
    Filed: January 9, 2020
    Publication date: August 6, 2020
    Applicant: NIDEC TOSOK CORPORATION
    Inventors: Shuichi KINJO, Hiroshi SHIRAI, Yutaka UEMATSU
  • Publication number: 20200251959
    Abstract: An electric actuator includes a motor including a rotor having a motor shaft extending along a central axis and a stator, a deceleration mechanism connected to the motor shaft, an output shaft, a bearing, and a deceleration mechanism case. The motor shaft includes an eccentric axis part with an eccentric axis as a center. The bearing is fitted on of the eccentric axis part. The deceleration mechanism includes an internal gear in a ring shape; an external gear connected to the eccentric axis part via the bearing and engaging with the internal gear; and an output flange part which transmits rotation of the external gear around the central axis to the output shaft. The deceleration mechanism case includes a plurality of gear supporting parts which support an end surface of the internal gear facing one axial-direction side and which are disposed in a circumferential direction with intervals from one another.
    Type: Application
    Filed: January 13, 2020
    Publication date: August 6, 2020
    Applicant: NIDEC TOSOK CORPORATION
    Inventors: Shuichi KINJO, Hiroshi SHIRAI, Yutaka UEMATSU
  • Publication number: 20200251956
    Abstract: An electric actuator according to an aspect of the disclosure includes: a motor including a rotor having a motor shaft extending along a central axis and a stator facing the rotor in a radial direction; and a deceleration mechanism which is disposed on a side of the stator in an axial direction and connected to the motor shaft. The motor shaft includes an eccentric shaft part with an eccentric axis, which is eccentric with respect to the central axis, as a center, and the eccentric shaft part is connected with the deceleration mechanism. The eccentric shaft part includes a balance concave part disposed on an end part of the eccentric shaft part in a predetermined direction which is in a radial direction from the central axis toward the eccentric axis. The balance concave part is recessed from an outer surface of the eccentric shaft part.
    Type: Application
    Filed: December 17, 2019
    Publication date: August 6, 2020
    Applicant: NIDEC TOSOK CORPORATION
    Inventors: Shuichi KINJO, Hiroshi SHIRAI, Yutaka UEMATSU
  • Publication number: 20200244132
    Abstract: An electric actuator includes a motor which has a rotor having a motor shaft and a stator, a motor case for housing the motor, and a deceleration mechanism coupled to the motor shaft. The motor case has a case cylinder portion and a lid. The lid has a top plate portion, an outer cylinder portion, an inner cylinder portion, an annular groove portion, and an annular seal member. An axial length of the outer cylinder portion is larger than an axial length of the inner cylinder portion. An inner diameter of the annular seal member is smaller than an outer diameter of the inner cylinder portion in a state that the annular seal member is removed from the lid. The annular seal member is housed in the annular groove portion in a state of being in contact with an outer peripheral surface of the inner cylinder portion.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 30, 2020
    Applicant: NIDEC TOSOK CORPORATION
    Inventors: Shuichi KINJO, Hiroshi SHIRAI, Yutaka UEMATSU
  • Publication number: 20200244140
    Abstract: An electric actuator includes a motor which has a rotor having a motor shaft extending along a central axis and a stator facing the rotor in a radial direction, a motor case for housing the motor, and a deceleration mechanism coupled to one axial side of the motor shaft. The motor case has a case cylinder portion, a lid for covering, and a plurality of screws. The case cylinder portion has a plurality of screw fixing portions. The lid has a top plate portion, an outer cylinder portion which surrounds the case cylinder portion from a radial outer side, an annular groove portion, and a seal member which seals the opening portion of the case cylinder portion. In the lid, an axial thickness of a region which overlaps the annular groove portion as viewed in the axial direction is larger than an axial thickness of the top plate portion.
    Type: Application
    Filed: January 21, 2020
    Publication date: July 30, 2020
    Applicant: NIDEC TOSOK CORPORATION
    Inventors: Shuichi KINJO, Hiroshi SHIRAI, Yutaka UEMATSU
  • Publication number: 20200203866
    Abstract: An interposer includes a housing and a contact disposed in the housing. The housing has a first face, a second face opposite the first face, and a passageway penetrating the first face and the second face. The contact has a base portion press-fitted in the passageway, a first contact beam extending obliquely with respect to the first face from the base portion, and a second contact beam extending obliquely with respect to the second face from the base portion. The first contact beam extends outward beyond the first face and has a first contact point portion. The second contact beam extends outward beyond the second face and has a second contact point portion. The first contact point portion and the second contact point portion both extend beyond a penetrated region of the passageway in a direction perpendicular to an insertion direction in which the contact is inserted into the passageway.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Applicant: Tyco Electronics Japan G.K.
    Inventors: Shinichi Hashimoto, Hiroshi Shirai, Masayuki Aizawa
  • Patent number: 10686348
    Abstract: There is provided an electric actuator including a motor, a first case having a first opening, a second case having a second opening that opens to the other side in the axial direction, a rotation sensor, and a plurality of bus bars which are electrically connected to a plurality of sensor terminals that extend from the rotation sensor and are held in the second case. The first and second cases are fixed to each other while the first opening and the second opening face each other in the axial direction, and parts connecting the plurality of bus bars and the plurality of sensor terminals are disposed at positions shifted from each other in a circumferential direction and radially outward from the rotation sensor. Among the plurality of connecting parts, at least one pair of adjacent connecting parts are disposed at positions different from each other in the radial direction.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: June 16, 2020
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Hiroshi Shirai, Toshiaki Nakamura, Yutaka Uematsu
  • Publication number: 20200153140
    Abstract: An integrated circuit socket includes a housing having a flat plate portion and a plurality of contacts disposed in the housing. The contacts each have a contact beam projecting outwardly from a first surface of the housing and a retained portion disposed in a passageway in the flat plate portion. The contact beam extends from the retained portion. The retained portion has a base portion with a flat-plate shape and a pair of side portions extending at an angle with respect to the base portion on a pair of opposite sides of the base portion. A cross-section of the retained portion parallel to the first surface has a U-shape.
    Type: Application
    Filed: November 13, 2019
    Publication date: May 14, 2020
    Applicant: Tyco Electronics Japan G.K.
    Inventors: Shinichi Hashimoto, Masayuki Aizawa, Hiroshi Shirai, Naoki Hashimoto