Patents by Inventor Toshihiko Kanamura
Toshihiko Kanamura 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: 11958317Abstract: In a pneumatic tire, a plurality of lands include a first land, the first land comprises a plurality of circumferential grooves that extend in a tire circumferential direction and that are arrayed in a tire axial direction, the plurality of circumferential grooves are respectively arranged at portions in the tire circumferential direction of the first land, the plurality of circumferential grooves include a first circumferential groove which is arranged in inwardmost fashion in the tire axial direction, and a second circumferential groove which is arranged in outwardmost fashion in the tire axial direction, and as viewed in a tire meridional section, an inner space area of the first circumferential groove is greater than an inner space area of the second circumferential groove.Type: GrantFiled: July 28, 2021Date of Patent: April 16, 2024Assignee: TOYO TIRE CORPORATIONInventor: Toshihiko Kanamura
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Patent number: 11897289Abstract: In a pneumatic tire, a tread comprises a plurality of main grooves including a first main groove that extends in straight fashion in a tire circumferential direction, and at least one first recess that is recessed toward a first side in a tire axial direction from the first main groove and that is arranged at a portion in the tire circumferential direction of the first main groove, and the at least one first recess comprises a first recess side face that is planar and that extends toward an interior in a tire radial direction from the tread surface, and a first recess bottom that is planar and that extends toward the first side in the tire axial direction from the first main groove so as to intersect the first recess side face.Type: GrantFiled: July 28, 2021Date of Patent: February 13, 2024Assignee: Toyo Tire CorporationInventor: Toshihiko Kanamura
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Publication number: 20220048337Abstract: In a pneumatic tire, a tread comprises a plurality of main grooves including a first main groove that extends in straight fashion in a tire circumferential direction, and at least one first recess that is recessed toward a first side in a tire axial direction from the first main groove and that is arranged at a portion in the tire circumferential direction of the first main groove, and the at least one first recess comprises a first recess side face that is planar and that extends toward an interior in a tire radial direction from the tread surface, and a first recess bottom that is planar and that extends toward the first side in the tire axial direction from the first main groove so as to intersect the first recess side face.Type: ApplicationFiled: July 28, 2021Publication date: February 17, 2022Applicant: Toyo Tire CorporationInventor: Toshihiko Kanamura
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Publication number: 20220048332Abstract: In a pneumatic tire, a plurality of lands include a first land, the first land comprises a plurality of circumferential grooves that extend in a tire circumferential direction and that are arrayed in a tire axial direction, the plurality of circumferential grooves are respectively arranged at portions in the tire circumferential direction of the first land, the plurality of circumferential grooves include a first circumferential groove which is arranged in inwardmost fashion in the tire axial direction, and a second circumferential groove which is arranged in outwardmost fashion in the tire axial direction, and as viewed in a tire meridional section, an inner space area of the first circumferential groove is greater than an inner space area of the second circumferential groove.Type: ApplicationFiled: July 28, 2021Publication date: February 17, 2022Applicant: Toyo Tire CorporationInventor: Toshihiko Kanamura
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Publication number: 20200122512Abstract: In a pneumatic tire, a plurality of main grooves comprise an inboard shoulder main groove that is arranged in inwardmost fashion when the tire is mounted on the vehicle, and an outboard shoulder main groove that is arranged in outwardmost fashion when the tire is mounted on the vehicle, and a distance between an outer edge in a tire width direction of the inboard shoulder main groove and a tire equatorial plane constituting a center in the tire width direction of the tire is greater than a distance between an outer edge in the tire width direction of the outboard shoulder main groove and the tire equatorial plane.Type: ApplicationFiled: September 25, 2019Publication date: April 23, 2020Applicant: Toyo Tire CorporationInventor: Toshihiko Kanamura
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Publication number: 20200122511Abstract: In a pneumatic tire, a way in which at least one outboard shoulder land groove is inclined with respect to a tire circumferential direction and a way in which at least one outboard middle land groove is inclined with respect to the tire circumferential direction are the same, and a way in which at least one inboard shoulder land groove is inclined with respect to the tire circumferential direction and a way in which at least one inboard middle land groove is inclined with respect to the tire circumferential direction are different.Type: ApplicationFiled: September 26, 2019Publication date: April 23, 2020Applicant: TOYO TIRE CORPORATIONInventor: Toshihiko Kanamura
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Publication number: 20200122514Abstract: A tire has a lug, a sipe and a recessed region. The sipe having an opening sidewall extending in a vertical direction. The recessed region that is formed to either side in a width direction of the sipe. The recessed region has a vertical face that forms a first edge, and has a planar base that intersects the opening sidewall of the sipe. The planar base and the opening sidewall of the sipe forming a second edge at which the angle between the planar base and the opening sidewall is not greater than 90°. Difference in height in the vertical direction of the first edge and the second edge is greater than or equal to 0.5 mm but is less than or equal to 1.5 mm. Distances to the first edge and the second edge in the width direction of the sipe are not less than 1.5 mm.Type: ApplicationFiled: October 3, 2019Publication date: April 23, 2020Applicant: Toyo Tire CorporationInventor: Toshihiko Kanamura
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Publication number: 20190152268Abstract: A pneumatic tire includes a tread region having surface layer containing a tread surface that contacts the ground, and a sidewall region having an indicator region that indicates a vehicle mounting direction, the surface layer is formed from rubber having a rebound resilience that, is 35% to 40%, the tread region comprises a plurality of main grooves that extend in a tire circumferential direction, total area of that portion of the main grooves which is or are arranged to an inboard side of a center in a tire width direction of the tire as it is to be mounted on a vehicle is greater than total area of that portion of the main grooves which is or are arranged to an outboard side of the center in the tire width direction of the tire as it is to be mounted on the vehicle.Type: ApplicationFiled: October 23, 2018Publication date: May 23, 2019Applicant: TOYO TIRE & RUBBER CO., LTD.Inventor: Toshihiko Kanamura
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Publication number: 20190152269Abstract: A pneumatic tire includes a tread region having surface layer containing a tread surface that contacts the ground, the surface layer is formed from rubber having a rebound resilience that is 35% to 40%, the tread region includes a pair of shoulder main grooves arranged at outermost locations in a tire width direction and extending in a tire circumferential direction, and at least one center main groove arranged between the pair of shoulder main grooves and extending in the tire circumferential direction, and width of the at least one center main groove is greater than width of the shoulder main grooves.Type: ApplicationFiled: October 23, 2018Publication date: May 23, 2019Applicant: TOYO TIRE & RUBBER CO., LTD.Inventor: Toshihiko Kanamura
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Patent number: D738295Type: GrantFiled: July 15, 2013Date of Patent: September 8, 2015Assignee: TOYO TIRE & RUBBER CO., LTD.Inventor: Toshihiko Kanamura
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Patent number: D762563Type: GrantFiled: November 7, 2014Date of Patent: August 2, 2016Assignee: Toyo Tire Rubber Co., Ltd.Inventor: Toshihiko Kanamura
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Patent number: D894104Type: GrantFiled: March 7, 2019Date of Patent: August 25, 2020Assignee: Toyo Tire CorporationInventor: Toshihiko Kanamura
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Patent number: D894110Type: GrantFiled: April 29, 2019Date of Patent: August 25, 2020Assignee: Toyo Tire CorporationInventors: Toshihiko Kanamura, Kensuke Shibayama