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).
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Patent number: 11845309Abstract: A tire includes: a skeleton portion including a rim member, a plurality of body springs latched on the rim member, and a plurality of interlink springs interlaced with the body springs; and a tread member disposed at least on the outer periphery of the skeleton portion.Type: GrantFiled: May 14, 2020Date of Patent: December 19, 2023Assignee: BRIDGESTONE CORPORATIONInventor: Yoshihide Kouno
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Publication number: 20220379657Abstract: A vehicle wheel includes two annular rim members, at least one annular flange member disposed between the two rim members, a securing member that secures relative positional relationship between adjacent members among the two rim members and the at least one flange member, a plurality of body springs that each connects adjacent members among the two rim members and the at least one flange member, and a plurality of linking springs linked to the plurality of body springs so as to restrict relative displacement between the plurality of body springs. At least part of each body spring in a width direction of the vehicle wheel protrudes further to an outer side in a radial direction of the vehicle wheel than the rim members and the flange member, and the plurality of body springs is provided at intervals over an entire circumferential direction of the vehicle wheel.Type: ApplicationFiled: October 16, 2020Publication date: December 1, 2022Applicant: BRIDGESTONE CORPORATIONInventors: Yoshihide KOUNO, Seiji KON
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Publication number: 20220227174Abstract: A tire includes a plurality of rim members disposed at different positions on a same axis, a plurality of body springs that connect between the respective plurality of rim members, and an interlink member that interlinks the adjacent body springs. Each of the plurality of body springs includes an elastic deformable portion, and latch portions that are provided at both ends of the elastic deformable portion and have a different shape from the elastic deformable portion. The latch portions are latched on the rim members.Type: ApplicationFiled: May 14, 2020Publication date: July 21, 2022Applicant: BRIDGESTONE CORPORATIONInventor: Yoshihide KOUNO
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Publication number: 20220194130Abstract: A tire includes: a skeleton portion including a rim member, a plurality of body springs latched on the rim member, and a plurality of interlink springs interlaced with the body springs; and a tread member disposed at least on the outer periphery of the skeleton portion.Type: ApplicationFiled: May 14, 2020Publication date: June 23, 2022Applicant: BRIDGESTONE CORPORATIONInventor: Yoshihide KOUNO
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Publication number: 20210370725Abstract: A manufacturing method of a bead core of the present disclosure comprises an annular body forming step of winding a strip member formed by coating one or more bead wires with a coating resin to form an annular body, and a resin coating step of coating the annular body formed in the annular body forming step with a resin. The resin is a resin different from the coating resin.Type: ApplicationFiled: August 11, 2021Publication date: December 2, 2021Applicant: BRIDGESTONE CORPORATIONInventors: Seiji KON, Yoshihide KOUNO
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Publication number: 20210221175Abstract: A pneumatic tire including: a pair of bead cores; a carcass that is formed spanning the pair of bead cores; a belt layer that is disposed at a tire radial direction outside of the carcass and that is formed by covering a cord with a thermoplastic resin having an elastic modulus of from 100 MPa to 10,000 MPa and winding the cord around a tire circumferential direction; and a tread that is provided at a tire radial direction outside of the belt layer. A thickness of the pneumatic tire at a tire equatorial plane is no greater than 5 mm.Type: ApplicationFiled: April 23, 2019Publication date: July 22, 2021Applicant: Bridgestone CorporationInventors: Seiji KON, Masayuki ARIMA, Yoshihide KOUNO
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Patent number: 10967590Abstract: A tire includes: a tire frame member formed in a ring shape from a frame resin material, and including a pair of bead sections, a pair of side sections, and a crown section; a ring shaped bead core that is embedded in and joined to each of the bead sections, and that is formed by a single strand, or plurality of strands, of bead cord extending in the tire circumferential direction, and covered with, and joined to, a covering resin material; and an extension portion that extends from each of the bead cores in a direction that intersects with the tire circumferential direction when viewed from a tire side face, and that is joined to the tire frame member.Type: GrantFiled: May 1, 2017Date of Patent: April 6, 2021Assignee: BRIDGESTONE CORPORATIONInventors: Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa
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Publication number: 20200384812Abstract: A pneumatic tire has: a noise suppressing member that has a mounting portion that is plate-shaped and that is fixed to a tire inner surface, a convex portion that is plate-shaped and is curved convexly from the mounting portion toward an inner side in a tire radial direction, and a bent portion that is formed at a boundary between the mounting portion and the convex portion, wherein a rib is provided that extends from the mounting portion, which adjoins the bent portion, the convex portion.Type: ApplicationFiled: February 9, 2018Publication date: December 10, 2020Inventors: Keiichi HASEGAWA, Yoshifumi MATSUMOTO, Yoshihide KOUNO
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Publication number: 20200369096Abstract: A manufacturing method of a bead core of the present disclosure comprises an annular body forming step of winding a strip member formed by coating one or more bead wires with a coating resin to form an annular body, and a resin coating step of coating the annular body formed in the annular body forming step with a resin.Type: ApplicationFiled: May 22, 2018Publication date: November 26, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Seiji KON, Yoshihide KOUNO
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Publication number: 20200207046Abstract: A bead core of the present disclosure is a bead core comprising an annular body in which a strip member comprising one or more bead wires coated with a coating resin is wound and stacked, and in an axial cross section of the annular body, an interface between stacks adjacent to each other is non-linear. A manufacturing method of a bead core of the present disclosure comprises an annular body forming step of winding and stacking a strip member comprising one or more bead wires coated with a coating resin to form an annular body, and the strip member has a side that comes in contact with an adjacent stack in the annular body forming step and that is non-linear in a cross section orthogonal to an extending direction of the strip member.Type: ApplicationFiled: May 22, 2018Publication date: July 2, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Seiji KON, Yoshihide KOUNO
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Publication number: 20200164697Abstract: A bead core of the present disclosure is a bead core comprising an annular body in which a strip member comprising one or more bead wires coated with a coating resin is wound and stacked, and in an axial cross section of the annular body, the strip member has two side surfaces, and has at least one end portion of at least one of the two side surfaces that is chamfered.Type: ApplicationFiled: May 22, 2018Publication date: May 28, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Seiji KON, Yoshihide KOUNO
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Publication number: 20200156412Abstract: A pneumatic tire of the present disclosure comprising a resin-coated belt comprising a wire coated with a coating resin, a base ring that comes in contact with a tire widthwise outer end of the resin-coated belt is provided on a tire radial inside of the resin-coated belt, and in the base ring, reinforcing fibers are arranged.Type: ApplicationFiled: June 7, 2018Publication date: May 21, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Seiji KON, Yoshihide KOUNO
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Publication number: 20200130429Abstract: A run-flat tire has: a pair of bead cores; a carcass that straddles the pair of bead cores, and having end portions that are anchored on the bead cores; side reinforcing rubbers that are provided at tire side portions, and that extend in a tire radial direction along an inner surface of the carcass; a belt layer that is provided at an outer side, in a tire radial direction, of the carcass, and that is formed by covering a cord with resin; and a tread that is provided at an outer side, in a tire radial direction, of the belt layer.Type: ApplicationFiled: June 1, 2018Publication date: April 30, 2020Inventors: Keiichi HASEGAWA, Yoshihide KOUNO, Masayuki ARIMA
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Publication number: 20200130431Abstract: A pneumatic tire with a noise suppressing member has: a pneumatic tire that has a belt layer structured to include a steel cord; a noise suppressing member that is formed from a sheet-shaped member, and that has convex portions, which are convex from an inner surface side of a tire toward a cavity interior, in order to suppress cavity resonance of the pneumatic tire; and magnets that are attached to the noise suppressing member, and at which attractive force is generated between the magnets and the steel cord, and that holds the noise suppressing member at an inner surface of the tire.Type: ApplicationFiled: June 14, 2018Publication date: April 30, 2020Inventors: Keiichi HASEGAWA, Yoshifumi MATSUMOTO, Yoshihide KOUNO
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Publication number: 20200130413Abstract: Provided is a tire (10) including: a tire frame member (12) made of a resin; a reinforcing layer (16) that includes plural reinforcing cords (17) coated with a rubber material, and that is arranged on a tire radial-direction outer side of the tire frame member (12); and an adhesive layer (18) that contains a resin material, and that is arranged between the tire frame member (12) and the reinforcing layer (16).Type: ApplicationFiled: July 18, 2017Publication date: April 30, 2020Inventors: Seiji KON, Yoshihide KOUNO
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Patent number: 10632790Abstract: A pneumatic tire is configured by a resin tire frame member. An inner face of the tire frame member is provided with an attachment section. The attachment section is configured so as to attach a sound-absorbing material inside the tire frame member. The sound-absorbing material employs, for example, a spongey material, and the sound-absorbing material is capable of absorbing sound.Type: GrantFiled: August 21, 2015Date of Patent: April 28, 2020Assignee: BRIDGESTONE CORPORATIONInventors: Seiji Kon, Yoshihide Kouno
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Publication number: 20200114705Abstract: A pneumatic tire with a noise-absorbing member includes a pneumatic tire and a noise-absorbing member. The pneumatic tire is provided with a spiral belt layer at an outer peripheral side of a tire carcass member. A cord of the spiral belt layer is wound in a helical shape. The noise-absorbing member is attached to an inner peripheral face of the pneumatic tire. Outermost end portions at both sides in the tire width direction of the noise-absorbing member are disposed in a region corresponding to from 80% to 100% of a width dimension BW of the spiral belt layer. The noise-absorbing member absorbs cavity resonance noise produced in a cavity of the pneumatic tire.Type: ApplicationFiled: December 12, 2019Publication date: April 16, 2020Inventors: Keiichi HASEGAWA, Yoshifumi MATSUMOTO, Yoshihide KOUNO
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Publication number: 20200114703Abstract: A pneumatic tire has: a noise suppressing member that has a mounting portion that is plate-shaped and that is fixed to a tire inner surface, a convex portion that is plate-shaped and is curved convexly from the mounting portion toward an inner side in a tire radial direction, and a bent portion that is formed at a boundary between the mounting portion and the convex portion, wherein a plate thickness of the bent portion and a vicinity thereof is thicker than a plate thickness of another region of the noise suppressing member.Type: ApplicationFiled: February 6, 2018Publication date: April 16, 2020Inventors: Keiichi HASEGAWA, Yoshifumi MATSUMOTO, Yoshihide KOUNO
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Publication number: 20200101685Abstract: A production method for a bead core of the present disclosure includes a forming step of forming a plurality of one or more types of annular bodies, each of which is formed by winding a strip member two or more turns, and a joining step of joining the plurality of one or more types of annular bodies to one another in an axial direction of the annular body. A bead core of the present disclosure is formed by joining one or more types of a plurality of annular bodies in an axial direction of the annular body, each of the annular bodies being formed by winding a strip member two or more turns. A pneumatic tire of the present disclosure includes a pair of bead portions, and the above-described bead core in the bead portion.Type: ApplicationFiled: May 22, 2018Publication date: April 2, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Seiji KON, Yoshihide KOUNO
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Publication number: 20200101684Abstract: A manufacturing method of a pneumatic tire of the present disclosure is a manufacturing method of a pneumatic tire to manufacture the pneumatic tire comprising a resin-coated belt comprising a wire coated with a coating resin, the pneumatic tire comprises a base ring that comes in contact with a tire widthwise outer end of the resin-coated belt on an inner side of the resin-coated belt in a tire radial direction, and the manufacturing method comprises a base ring forming step of winding a ribbon member about a tire axis, to form the base ring.Type: ApplicationFiled: June 7, 2018Publication date: April 2, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Seiji KON, Yoshihide KOUNO