Patents by Inventor Tadasuke Higuchi

Tadasuke Higuchi 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: 20260021751
    Abstract: A seat member movable device that moves a seat member with respect to a placement base, the seat member movable device including a support disc that supports the seat member, a base that supports the support disc so as to be movable with respect to the placement base, and a drive device that moves the support disc. In a restrained state in which movement of the support disc is restrained by a restraining unit, as a lifting/lowering shaft is rotated by driving of a motor, a pinion moves in a first direction, and moves one of a first plate-shaped member and a second plate-shaped member in a direction away from the other thereof, to release the restrained state by the restraining unit.
    Type: Application
    Filed: July 9, 2025
    Publication date: January 22, 2026
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Tadasuke HIGUCHI
  • Patent number: 12510121
    Abstract: A rotational force transmission device configured to transmit a rotational force and applied to a vehicle seat apparatus. The rotational force transmission device includes an input-side transmission member having a ball point, an output-side transmission member slidably coupled to the input-side transmission member and having a ball point, and an elastic member providing an elastic force to make the input-side transmission member and the output-side transmission member displaced apart from each other along a central axis direction.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: December 30, 2025
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Kouju Suzuki, Tadasuke Higuchi
  • Publication number: 20250368097
    Abstract: A seat rotating device includes: a transmission state selection mechanism that is provided between a rotary disc and a release plate and selects between a non-transmission state in which rotation of the release plate is not transmitted to the rotary disc and a transmission state in which rotation of the release plate is transmitted to the rotary disc; and a lock unit that is provided between the rotary disc and an outer circumferential ring and provided to select between a rotationally fixed state in which rotation of the rotary disc with respect to the outer circumferential ring is fixed and a rotatable state in which rotation of the rotary disc with respect to the outer circumferential ring is allowed.
    Type: Application
    Filed: May 21, 2025
    Publication date: December 4, 2025
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Shinichi ITO, Tadasuke HIGUCHI
  • Publication number: 20250364867
    Abstract: Provided is an electric motor having a stator in which stator coils are circumferentially arranged. A center of the circumference is defined as a first center, and a position shifted from the first center is defined as a second center. The electric motor comprises: a ring rotor that is arranged inside the stator and has an annular shape around the second center; an eccentric shaft that is supported to be rotatable about the first center and supports the ring rotor such that the ring rotor is rotatable about the second center; an output portion that outputs a rotation of the ring rotor; a detector that detects a position of the ring rotor or the eccentric shaft; and a controller that controls a timing for energizing each of the stator coils based on a detection signal from the detector.
    Type: Application
    Filed: May 22, 2025
    Publication date: November 27, 2025
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Tadasuke HIGUCHI
  • Publication number: 20230323919
    Abstract: There is provided a rotational force transmission device configured to transmit a rotational force and applied to a vehicle seat apparatus. The rotational force transmission device includes an input-side transmission member having a ball point, an output-side transmission member slidably coupled to the input-side transmission member and having a ball point, and an elastic member providing an elastic force to make the input-side transmission member and the output-side transmission member displaced apart from each other along a central axis direction.
    Type: Application
    Filed: April 3, 2023
    Publication date: October 12, 2023
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Kouju SUZUKI, Tadasuke HIGUCHI
  • Patent number: 10618431
    Abstract: A sliding device of the present disclosure includes: a fixed rail; a movable rail; a rack fixed within the fixed rail, the rack extending along an axis parallel to a longitudinal axis of the fixed rail; a pinion provided to the movable rail, the pinion including multiple teeth to be engaged with the rack and rotating by receiving a driving force; and a restrictor slidingly displaced integrally with the movable rail, the restrictor contacting with the rack when the movable rail is sliding, to thereby restrict the rack from being displaced in a direction away from the pinion.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: April 14, 2020
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Tadasuke Higuchi
  • Patent number: 10583752
    Abstract: A sliding device of the present disclosure includes: a fixed rail; a movable rail; a rack; a pinion; an intermediate gear; a driving device; and a support member. The support member includes a first support body and a second support body. The first support body and the second support body being coupled below the pinion and integrally molded. The sliding device further includes a restricting body configured to restrict elastic displacement such that an end of the first support body above the pinion and an end of the second support body above the pinion separate from each other.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: March 10, 2020
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Tadasuke Higuchi
  • Patent number: 10562411
    Abstract: Provided is a sliding device. The sliding device includes a fixed rail, a movable rail, a rack, a pinion, a locking mechanism that restricts sliding of the movable rail, and a gear mechanism. The gear mechanism includes multiple gears and transmits a rotation generated in an electric motor to the pinion. The gear mechanism is configured such that the pinion is capable of rotating more than a specified angle of rotation when the electric motor is in a stopped state.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: February 18, 2020
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Tadasuke Higuchi, Naoaki Hoshihara, Yoichi Takada
  • Publication number: 20190168636
    Abstract: A sliding device of the present disclosure includes: a fixed rail; a movable rail; a rack; a pinion; an intermediate gear; a driving device; and a support member. The support member includes a first support body and a second support body. The first support body and the second support body being coupled below the pinion and integrally molded. The sliding device further includes a restricting body configured to restrict elastic displacement such that an end of the first support body above the pinion and an end of the second support body above the pinion separate from each other.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 6, 2019
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Tadasuke HIGUCHI
  • Publication number: 20190168641
    Abstract: A sliding device of the present disclosure includes: a fixed rail; a movable rail; a rack fixed within the fixed rail, the rack extending along an axis parallel to a longitudinal axis of the fixed rail; a pinion provided to the movable rail, the pinion including multiple teeth to be engaged with the rack and rotating by receiving a driving force; and a restrictor slidingly displaced integrally with the movable rail, the restrictor contacting with the rack when the movable rail is sliding, to thereby restrict the rack from being displaced in a direction away from the pinion.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 6, 2019
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Tadasuke HIGUCHI
  • Publication number: 20180334054
    Abstract: Provided is a sliding device. The sliding device includes a fixed rail, a movable rail, a rack, a pinion, a locking mechanism that restricts sliding of the movable rail, and a gear mechanism. The gear mechanism includes multiple gears and transmits a rotation generated in an electric motor to the pinion. The gear mechanism is configured such that the pinion is capable of rotating more than a specified angle of rotation when the electric motor is in a stopped state.
    Type: Application
    Filed: May 18, 2018
    Publication date: November 22, 2018
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Tadasuke HIGUCHI, Naoaki HOSHIHARA, Yoichi TAKADA
  • Patent number: 9586500
    Abstract: A slide rail of a vehicle seat includes a first rail to which a screw having a screw thread formed on an outer periphery is fixed, and a second rail that retains a nut into which the screw screws, and moves relative to the first rail by the nut rotating. The first rail has a through-hole into which the screw is inserted. At least one end of the screw has a deformed portion that is deformed toward an outside in a radial direction of the screw with respect to the first rail while the at least one end of the screw is in a state passing through the through-hole, and that keeps the screw from slipping out of the through-hole.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: March 7, 2017
    Assignees: TOYOTA BOSHOKU KABUSHIKI KAISHA, AISIN SEIKI KABUSHIKI KAISHA, SHIROKI CORPORATION
    Inventors: Jueru Shimizu, Tadasuke Higuchi
  • Publication number: 20160059740
    Abstract: A slide rail of a vehicle seat includes a first rail to which a screw having a screw thread formed on an outer periphery is fixed, and a second rail that retains a nut into which the screw screws, and moves relative to the first rail by the nut rotating. The first rail has a through-hole into which the screw is inserted. At least one end of the screw has a deformed portion that is deformed toward an outside in a radial direction of the screw with respect to the first rail while the at least one end of the screw is in a state passing through the through-hole, and that keeps the screw from slipping out of the through-hole.
    Type: Application
    Filed: August 6, 2015
    Publication date: March 3, 2016
    Applicants: TOYOTA BOSHOKU KABUSHIKI KAISHA, AISIN SEIKI KABUSHIKI KAISHA, SHIROKI CORPORATION
    Inventors: Jueru SHIMIZU, Tadasuke HIGUCHI
  • Patent number: 8469448
    Abstract: An operation mechanism of a side support apparatus adapted to be accommodated in a right and left side support portions provided at a seatback and being movable between a support position and an open position, includes a support structure including a pulley and being movable between the open position and the support position, a first fixing portion including a first guide portion and a second guide portion and fixedly provided at a seatback member, and a drive cable being fixedly attached to the first fixing portion at a first end portion of the drive cable and being engaged with the pulley at an intermediate of the drive cable. The pulley is pushed by a tensile force generated at the drive cable by pulling the drive cable so that the support structure is movable relative to the first fixing portion in a direction toward the support position.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: June 25, 2013
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Masatoshi Mori, Hideaki Honjo, Tadasuke Higuchi
  • Publication number: 20110210590
    Abstract: An operation mechanism of a side support apparatus adapted to be accommodated in a right and left side support portions provided at a seatback and being movable between a support position and an open position, includes a support structure including a pulley and being movable between the open position and the support position, a first fixing portion including a first guide portion and a second guide portion and fixedly provided at a seatback member, and a drive cable being fixedly attached to the first fixing portion at a first end portion of the drive cable and being engaged with the pulley at an intermediate of the drive cable. The pulley is pushed by a tensile force generated at the drive cable by pulling the drive cable so that the support structure is movable relative to the first fixing portion in a direction toward the support position.
    Type: Application
    Filed: February 1, 2011
    Publication date: September 1, 2011
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Masatoshi Mori, Hideaki Honjo, Tadasuke Higuchi