Patents by Inventor Yoshihide Kouno

Yoshihide Kouno 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: 20200101794
    Abstract: A tire includes a circular tire case formed from a resin material, a belt provided at an outer side in a tire radial direction of the tire case and configured by covering a reinforcing cord by a covering resin, the reinforcing cord being provided with an adhesion layer at an outer periphery thereof, and a tread provided at an outer periphery of the belt and configured from a rubber material. The belt has a gauge set within a range of from 1.15 mm to 2.0 mm. A relationship A>B is satisfied, wherein A is a thickness of the covering resin layer from the reinforcing cord to an outer circumferential surface of the belt and B is a thickness of the covering resin layer from the reinforcing cord to the tire case. A combined gauge of the tire case and the belt is not greater than 3.5 mm.
    Type: Application
    Filed: April 17, 2018
    Publication date: April 2, 2020
    Inventors: Seiji KON, Yukinori NAKAKITA, Yoshihide KOUNO
  • Publication number: 20200094505
    Abstract: A bead core of the present disclosure is an annular bead core, a cross-sectional shape of the bead wire is non-circular, in axial cross-sectional view, in the axial cross-sectional view, the bead wire has a periphery coated with a resin material, and the resin material is interposed between the bead wires. A manufacturing method of the bead core of the present disclosure is a manufacturing method to obtain the above bead core, comprising: a winding step of winding a plurality of times one or more resin-coated wires each comprising a bead wire having a non-circular cross-sectional shape and being coated with a resin material, and a joining step of joining the resin materials of the adjacently wound resin-coated wires to each other. A pneumatic tire of the present disclosure comprises a pair of bead portions, and the above bead core in each of the pair of bead portions.
    Type: Application
    Filed: May 22, 2018
    Publication date: March 26, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Patent number: 10596853
    Abstract: A tire containing at least a circular tire frame body that is formed from a resin material and has a layered structure, wherein the tire frame body includes at least one gas retaining layer.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: March 24, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Katsuhiko Tsunoda, Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa
  • Patent number: 10589571
    Abstract: A tire whose pressure-proofing performance and impact durability can be improved, is provided. The tire includes: a tire frame member which is made of resin and includes: a bead portion covering a bead core; a side portion extending outwardly in a tire radial direction from the bead portion; and a crown portion extending inwardly in a tire width direction from the side portion, and the tire also includes a reinforcing layer which includes plural cords covered by resin or rubber and which extends from the bead portion to the side portion of the tire frame member to cover at least an inner peripheral surface of the side portion.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: March 17, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Seiji Kon, Yoshihide Kouno
  • Publication number: 20200062038
    Abstract: A pneumatic tire includes a tire case, a tread and a single-layer belt. The tire case includes a carcass that extends from one bead portion to another bead portion. An outer side portion of the carcass is covered with a side rubber layer formed of a first rubber material. The tread is disposed at the tire radial direction outer side of the tire case and is formed of a second rubber material. The belt is disposed between the tire case and the tread. The belt includes a resin-covered cord that is wound in a spiral shape. The resin-covered includes a cord covered with a resin with a greater tensile modulus of elasticity than the first rubber material and the second rubber material. The resin at one winding and another winding of the resin-covered cord, which are adjacent in the tire width direction, are welded together.
    Type: Application
    Filed: April 24, 2018
    Publication date: February 27, 2020
    Inventors: Keiichi HASEGAWA, Masahiro KATAYAMA, Masayuki ARIMA, Yoshihide KOUNO
  • Publication number: 20200047556
    Abstract: A tire includes a ring-shaped tire case, and a belt layer that is provided at an outer periphery of the tire case, and in which a resin-covered cord, which is configured by covering a reinforcing cord with a covering resin is wound onto the outer periphery of the tire case in a spiral pattern around a tire circumferential direction and is bonded to the tire case, with sections of the resin-covered cord that are mutually adjacent in a tire axial direction being bonded to each other. An end portion at one tire axial direction side of a tire radial direction outside face of the resin-covered cord is positioned further toward the one tire axial direction side than an end portion at the one tire axial direction side of a tire radial direction inside face of the resin-covered cord, and an end portion on another tire axial direction side of the outside face is positioned further toward the one tire axial direction side than an end portion at the other tire axial direction side of the inside face.
    Type: Application
    Filed: September 29, 2017
    Publication date: February 13, 2020
    Inventors: Yoshihide KOUNO, Seiji KON, Hiroshi MURATA
  • Publication number: 20200047557
    Abstract: A tire includes a tire case (tire frame member) formed in a ring shape, and a belt layer that is provided at an outer periphery of the tire case (tire frame member), and in which a resin-covered cord, which is configured by covering a reinforcing cord with a covering resin is wound onto the outer periphery of the tire case (tire frame member) in a spiral pattern around a tire circumferential direction, and is bonded to the tire case (tire frame member). A chamfered portion is formed at a tire axial direction end portion of a tire radial direction inside face of the resin-covered cord.
    Type: Application
    Filed: September 29, 2017
    Publication date: February 13, 2020
    Inventors: Seiji KON, Yoshihide KOUNO
  • Patent number: 10493807
    Abstract: Plural inner face grooves 40 are formed to tire inner faces of a tire frame member 17 formed from a resin material. The inner face grooves 40 are formed to a region from an inner separation point corresponding to a separation point of a bead portion 12 from a rim 20 as far as an inner end portion 30 IN corresponding to a tread end 30A of a tread member 30.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: December 3, 2019
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Yoshihide Kouno, Seiji Kon
  • Patent number: 10399381
    Abstract: The present invention provides a non-pneumatic tire which is provided with an attachment body (11) attached to an axle, a ring-shaped body (13) which surrounds the attachment body (11) from the outside in a tire radial direction, and a coupling member (15) which displaceably couples the attachment body (11) and the ring-shaped body (13), wherein the coupling member (15) is formed of a synthetic resin material and a reinforcing member is embedded in the coupling member (15).
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: September 3, 2019
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Keiichi Hasegawa, Yoshihide Kouno, Masashi Nishida
  • Publication number: 20190217666
    Abstract: A tire is provided with a tire frame member that is made from resin and has a pair of bead portions, a pair of side portions that extend from the bead portions towards an outer side in a tire radial direction, and a crown portion that connects an outer side end in the tire radial direction of one side portion to an outer side end in the tire radial direction of another side portion, and with a crossing belt layer that is provided with plural reinforcing cords that are arranged in rows which are inclined relative to a tire rotation axis of the tire frame member and are coated with a resin material. The crossing belt layer is disposed either directly or via a resin layer on an outer side surface in the tire radial direction of the crown portion.
    Type: Application
    Filed: May 18, 2017
    Publication date: July 18, 2019
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20190202241
    Abstract: A tire is provided with a carcass that is formed so as to include a carcass ply that extends from one bead portion to another bead portion; a belt that is disposed at a tire radial direction outer side of the carcass, and that is formed by one sheet of belt ply in which plural cords that are disposed with an inclination of not more than 10° relative to a tire circumferential direction and extend around an entire tire circumference in the tire circumferential direction are coated with a rubber having a tensile modulus of elasticity in excess of 50 MPa, one end portion in a longitudinal direction of the cords being positioned at one end side in a width direction of the belt ply, and another end portion in the longitudinal direction of the cords being positioned at another end side in the width direction of the belt ply; and a tread that is disposed at a tire radial direction outer side of the belt.
    Type: Application
    Filed: May 18, 2017
    Publication date: July 4, 2019
    Inventors: Yoshihide KOUNO, Seiji KON
  • Publication number: 20190202239
    Abstract: A tire, including: a tire frame member formed of a resin material; and a reinforcing layer that includes a plurality of reinforcing cords coated with a rubber material and that is disposed on an outer side of the tire frame member in a tire radial direction; in which the tire frame member has a region formed of a resin material having a Young's modulus in a range of from 50 MPa to 2,000 MPa, and the region being included in at least a part of a reinforcing region in which the reinforcing layer is disposed on an outer side in the tire radial direction.
    Type: Application
    Filed: August 9, 2017
    Publication date: July 4, 2019
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20190152260
    Abstract: A tire includes a tire frame member made of a resin material; a top tread disposed outside the tire frame member in a tire radial direction; a belt layer disposed between the tire frame member and the top tread, the width dimension BW of the belt layer in a tire axial direction being in a range of from 85 to 105% of the ground width dimension TW of the top tread; and a belt reinforcement layer disposed at end portions of the belt layer in a tire width direction, the belt reinforcement layer having lower stiffness than the belt layer.
    Type: Application
    Filed: May 18, 2017
    Publication date: May 23, 2019
    Applicant: Bridgestone Corporation
    Inventors: Yoshihide KOUNO, Yoshifumi MATSUMOTO, Kenji MATSUI, Seiji KON
  • Publication number: 20190143755
    Abstract: A tire includes a tire frame member made of a resin material; a top tread disposed outside the tire frame member in a tire radial direction; and a belt layer disposed between the tire frame member and the top tread, the belt layer constituting of a center area at a middle in a tire width direction and shoulder areas at both sides of the center area in the tire width direction, a width dimension BCW of the center area in a tire axial direction being in a range of from 85 to 105% of a ground width dimension TW of the top tread. In a case in which Hc represents stiffness of the center area, and Hs represents stiffness of the shoulder area, Hc>Hs.
    Type: Application
    Filed: May 18, 2017
    Publication date: May 16, 2019
    Inventors: Yoshihide KOUNO, Kenji MATSUI, Yoshifumi MATSUMOTO, Seiji KON
  • Publication number: 20190105947
    Abstract: A tire includes a tire frame member formed of a resin material, a belt layer, and a top tread, in which in an outer contour of the tire as viewed in a cross section along a tire rotation axis, a ground end side of the top tread is a shoulder portion having a small arc portion which is convex toward an outer side of the tire and has a radius of curvature smaller than the radius of curvature of the top tread on a tire equatorial plane side. In addition, in the outer contour of the tire as viewed in the cross section along the tire rotation axis, a ground angle ? of a tangent line of the small arc portion at a height of 80% of a tire cross section height SH with respect to the tire axial direction is set within a range of from 47° to 52°.
    Type: Application
    Filed: April 20, 2017
    Publication date: April 11, 2019
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Yoshihide KOUNO, Kenji MATSUI, Yoshifumi MATSUMOTO, Seiji KON
  • Publication number: 20190092099
    Abstract: A tire frame member 17 configured from a resin material is formed with plural outer surface recesses 40 on a tire outer surface. The outer surface recesses 40 are disposed separated from each other, and are formed at least on an outer surface of a side portion 14.
    Type: Application
    Filed: October 6, 2015
    Publication date: March 28, 2019
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20190070810
    Abstract: A pneumatic tire includes: a tire frame member having a tire inner surface made of a resin material; and a sound absorbing body that is made of a thermoplastic resin material, that is configured to absorb sound, and that is coupled to the tire inner surface via a welded portion.
    Type: Application
    Filed: February 28, 2017
    Publication date: March 7, 2019
    Inventors: Keiichi HASEGAWA, Yoshihide KOUNO
  • Publication number: 20190001760
    Abstract: In a pneumatic tire, a suppressing member to suppress cavity resonance is fixed to a tire inner face. The suppressing member includes a bulge portion bulging further toward a tire radial direction inner side than the tire inner face so as to provide a space between the bulge portion and the tire inner face.
    Type: Application
    Filed: December 6, 2016
    Publication date: January 3, 2019
    Inventors: Yoshihide KOUNO, Masahiro KATAYAMA, Keiichi HASEGAWA, Yoshifumi MATSUMOTO
  • Patent number: 10112440
    Abstract: A tire containing at least a circular tire frame body that is formed from a resin material and has a layered structure, wherein the tire frame body includes at least one gas retaining layer.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: October 30, 2018
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Katsuhiko Tsunoda, Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa
  • Publication number: 20180290493
    Abstract: A tire includes a tire frame member, a reinforcing layer, and a housing recess. The tire frame member is circular and is formed from a resin material. The tire frame member includes a bead portion, a side portion, and a crown portion. The reinforcing layer is provided at a tire radial direction outer side of the crown portion, and comprises a reinforcing cord extending in a direction intersecting the tire width direction, the reinforcing cord being covered by rubber. The housing recess is formed in the crown portion and extends in a tire circumferential direction. At least an inner circumferential portion of the reinforcing layer is housed in the housing recess with side faces of the reinforcing layer contacting recess wall faces on both tire width direction sides of the housing recess.
    Type: Application
    Filed: March 29, 2016
    Publication date: October 11, 2018
    Inventors: Seiji KON, Yoshihide KOUNO