Patents by Inventor Takayuki SENGOKU

Takayuki SENGOKU 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: 20190284861
    Abstract: A supporting member includes: a rotatable spindle supported in a first housing; a cylindrical first guide fixed in a second housing, and guiding a relative movement of the spindle in an axial direction; a second guide fixed in the first housing, having an inner diameter larger than a first guide's outer diameter, and relatively movable in the direction to the first guide; and a nut being a stepped shaft-like member including an insertion portion inserted into the first guide, a protruding portion protruded from the first guide, and a narrow portion provided therebetween. The first guide includes a caulking portion to the nut at an opening end. The caulking portion includes a portion extending to intersect in the direction along a step between the insertion portion and the narrow portion, and another portion parallel to the direction along an outer circumferential surface of the narrow portion.
    Type: Application
    Filed: February 11, 2019
    Publication date: September 19, 2019
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Satoru GOTO, Takayuki SENGOKU, Takeshi YAMAMOTO
  • Patent number: 10036191
    Abstract: A vehicle door opening/closing apparatus includes: a support member that has a telescopic shaft shape, is interposed between a body and a door of a vehicle, and thereby is capable of holding the door at an open position, wherein the support member includes a cylindrical housing that accommodates a drive source, and a joint member that is fixed with a part thereof inserted into an end portion of the corresponding housing and is attached on the body or the door of the vehicle, and wherein the joint member has a contact portion which comes into contact with the housing when the joint member is fixed to the housing, and on which convex portions and concave portions recessed to an inner side in a radial direction with respect to the convex portions are alternately provided in a circumferential direction.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: July 31, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hiroki Katsuyama, Kimihide Kato, Koji Oe, Takayuki Sengoku, Keisuke Haruta, Jun Tsukagoshi
  • Publication number: 20170275939
    Abstract: A door opening and closing device for a vehicle includes: a supporting member interposed between a vehicle body and a door, and supporting the door to be openable and closable. The supporting member includes first and second housings whose one end sides are linked to the vehicle body or the door via a linking unit, a spindle, a spindle nut, a coil spring biasing the first and second housings in a direction in which the first and second housings are separated from each other, a motor disposed in the first housing and rotating and driving the spindle, a case accommodating the motor therein, and a spline engaging unit engaging the first housing with the case or a metal member joined to the case not to be relatively movable in the rotational direction using a spline.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 28, 2017
    Applicant: Aisin Seiki Kabushiki Kaisha
    Inventors: Jun TSUKAGOSHI, Koji OE, Kimihide KATO, Hiroki KATSUYAMA, Takayuki SENGOKU, Keisuke HARUTA
  • Publication number: 20170089113
    Abstract: A vehicle door opening/closing apparatus includes: a support member that has a telescopic shaft shape, is interposed between a body and a door of a vehicle, and thereby is capable of holding the door at an open position, wherein the support member includes a cylindrical housing that accommodates a drive source, and a joint member that is fixed with a part thereof inserted into an end portion of the corresponding housing and is attached on the body or the door of the vehicle, and wherein the joint member has a contact portion which comes into contact with the housing when the joint member is fixed to the housing, and on which convex portions and concave portions recessed to an inner side in a radial direction with respect to the convex portions are alternately provided in a circumferential direction.
    Type: Application
    Filed: September 19, 2016
    Publication date: March 30, 2017
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hiroki KATSUYAMA, Kimihide KATO, Koji OE, Takayuki SENGOKU, Keisuke HARUTA, Jun TSUKAGOSHI
  • Publication number: 20140137477
    Abstract: A vehicle door opening and closing apparatus includes: a supporting member having an expandable and contractible shape and configured to be capable of holding a door at an opened position by being interposed between a body and the door, a socket provided on at least one of shaft end portions of the supporting member and configured to form a rotation coupling point of the supporting member by being fitted into a ball-shaped fitting portion at a coupling portion with respect to the supporting member, and a retaining ring provided in a fitting depression of the socket and capable of retaining the ball-shaped fitting portion in the fitting depression by reducing a diameter of the opening portion of the fitting depression. The socket is demountable from the shaft end portion in a state of being fitted to the ball-shaped fitting portion.
    Type: Application
    Filed: November 14, 2013
    Publication date: May 22, 2014
    Applicant: Aisin Seiki Kabushiki Kaisha
    Inventors: Kouji OOE, Takeshi YAMAMOTO, Kimihide KATO, Takayuki SENGOKU, Keisuke HARUTA