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).

  • Publication number: 20220294145
    Abstract: A socket assembly includes an electrical interconnect having an insulator having apertures. The electrical interconnect includes primary contacts and secondary contacts received in corresponding apertures. The primary contacts include a primary conductive polymer column having upper contact tips and lower contact tips for electrically interconnecting first and second electronic packages. The secondary contacts include a secondary conductive polymer column having upper contact tips and lower contact tips for electrically interconnecting the first and second electronic packages. The contact tips of the secondary conductive polymer columns have a different shape from the shape of the contact tips of the primary conductive polymer columns.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 15, 2022
    Inventors: John Joseph Consoli, Chad William Morgan, Megan Hoarfrost Beers, Christopher William Blackburn, Nathan Lincoln Tracy, Jennifer Love, Clarence Leon Yu, Shinichi Hashimoto, Hiroshi Shirai
  • Publication number: 20220276243
    Abstract: Provided are a novel determination method, diagnostic probe, and diagnostic kit for inflammatory bowel disease. A method for determining inflammatory bowel disease includes measuring an anti-endothelial cell protein C receptor antibody (anti-EPCR antibody) in a sample collected from a subject.
    Type: Application
    Filed: August 25, 2020
    Publication date: September 1, 2022
    Applicant: TOHOKU UNIVERSITY
    Inventors: Tsuyoshi SHIRAI, Hiroshi FUJII, Tomonori ISHII, Hideo HARIGAE, Yoichi KAKUTA, Atsushi MASAMUNE, Tomoyuki MUTOH
  • Patent number: 11316399
    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: Grant
    Filed: January 17, 2020
    Date of Patent: April 26, 2022
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
  • Publication number: 20220037823
    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. The signal contact pair has a plane-symmetrical shape with respect to the width direction.
    Type: Application
    Filed: October 15, 2021
    Publication date: February 3, 2022
    Applicant: Tyco Electronics Japan G.K.
    Inventors: Shinichi Hashimoto, Hiroshi Shirai, Masayuki Aizawa
  • Patent number: 11228227
    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: Grant
    Filed: December 17, 2019
    Date of Patent: January 18, 2022
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
  • Publication number: 20210381582
    Abstract: An electric actuator of the disclosure includes a motor, a speed reduction mechanism, and a bearing fixed to a motor shaft having an eccentric axis portion. The speed reduction mechanism has: an externally toothed gear, an internally toothed gear, a facing member arranged facing the externally toothed gear, and column members arranged to protrude from one member of the facing member and the externally toothed gear toward the other member and surround the motor axis. The other member has hole portions arranged to surround the motor axis. The column members are inserted into the hole portions respectively, and support the externally toothed gear to be swingable around the motor axis via an inner side surface of each of the hole portions. At least one of the column members is attached to the one member in a manner of being rotatable around a central axis of the at least one column member.
    Type: Application
    Filed: June 6, 2021
    Publication date: December 9, 2021
    Applicant: NIDEC TOSOK CORPORATION
    Inventors: Hiroshi SHIRAI, Tomoki SATO
  • Publication number: 20210384798
    Abstract: An electric actuator of the disclosure includes a motor, a speed reduction mechanism, and a bearing fixed to a motor shaft having an eccentric axis portion. The speed reduction mechanism has: an externally toothed gear, an internally toothed gear, a facing member facing the externally toothed gear, column members protruding from one member of the facing member and the externally toothed gear toward the other member and surrounding the motor axis, and at least one tube member surrounding the column members. The other member has hole portions surrounding the motor axis. The column members are inserted into the hole portions respectively, and support the externally toothed gear to be swingable around the motor axis via an inner side surface of each of the hole portions. The at least one tube member surrounds the column members in the hole portions and is rotatable around a rotary axis passing through the hole portions.
    Type: Application
    Filed: June 7, 2021
    Publication date: December 9, 2021
    Applicant: NIDEC TOSOK CORPORATION
    Inventors: Hiroshi SHIRAI, Kohei OSUGA, Kenichi OZAWA
  • Patent number: 11190082
    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: Grant
    Filed: January 13, 2020
    Date of Patent: November 30, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
  • Patent number: 11183784
    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: Grant
    Filed: December 18, 2019
    Date of Patent: November 23, 2021
    Assignee: Tyco Electronics Japan G.K.
    Inventors: Shinichi Hashimoto, Hiroshi Shirai, Masayuki Aizawa
  • Patent number: 11177603
    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: Grant
    Filed: July 23, 2020
    Date of Patent: November 16, 2021
    Assignee: Tyco Electronics Japan G.K.
    Inventors: Shinichi Hashimoto, Hiroshi Shirai, Masayuki Aizawa
  • Patent number: 11171547
    Abstract: One aspect of an electric actuator of the disclosure includes: a motor having a motor shaft rotating about a central axis; a speed reduction mechanism connected to a portion on one side in an axial direction of the motor shaft; a case accommodating the motor and the speed reduction mechanism; an output part to which rotation of the motor shaft is transmitted via the speed reduction mechanism; a rotation detector having a rotation sensor detecting rotation of the output part; and a wiring member electrically connected with the rotation sensor. The case has a first concave part located on an outer surface of the case. One end part of the wiring member penetrates the case from inside the case and protrudes inside the first concave part. The rotation sensor is located inside the first concave part and connected with one end part of the wiring member.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: November 9, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Hiroshi Shirai, Yutaka Uematsu, Kazuhiro Saito, Shuichi Kinjo, Toshihiko Akiba, Koichi Ishige
  • Patent number: 11152832
    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: Grant
    Filed: January 9, 2020
    Date of Patent: October 19, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
  • Patent number: 11133727
    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: Grant
    Filed: January 8, 2020
    Date of Patent: September 28, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
  • 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