Patents by Inventor Kenichiro Tanada

Kenichiro Tanada 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: 20210229501
    Abstract: A heavy duty pneumatic tire 1 has provided in a buttress region 10 thereof a protrusion 11 extending in the tire circumferential direction. In a tire meridian cross-section, the maximum protrusion height hmax of the protrusion 11 from an imaginary buttress surface J is 3.0 mm or greater and is in the range of 0.025-0.050 times a half tread width Wt. The cross-sectional area Sa of the protrusion 11 protruding from the imaginary buttress surface J is 20 mm2 or greater.
    Type: Application
    Filed: June 19, 2019
    Publication date: July 29, 2021
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventor: Kenichiro TANADA
  • Patent number: 11040581
    Abstract: In a tire 2, chafers 8 each extend from a position axially outward of a corresponding one of beads 10 to a position radially inward of the corresponding one of the beads 10. Sidewalls 6 extend to positions between the beads 10 and the chafers 8, respectively. The chafers 8 extend to positions outward of ends 38 of turned-up portions 44 of a carcass ply 40 in the radial direction. When a side surface 50 represents a portion, of an outer surface of each chafer 8, which contacts with a flange of a rim, an outline of the side surface 50 has an arc C that extends from a heel of the bead 10 portion and projects inward.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: June 22, 2021
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Kenichiro Tanada
  • Publication number: 20180126800
    Abstract: In a tire 2, chafers 8 each extend from a position axially outward of a corresponding one of beads 10 to a position radially inward of the corresponding one of the beads 10. Sidewalls 6 extend to positions between the beads 10 and the chafers 8, respectively. The chafers 8 extend to positions outward of ends 38 of turned-up portions 44 of a carcass ply 40 in the radial direction. When a side surface 50 represents a portion, of an outer surface of each chafer 8, which contacts with a flange of a rim, an outline of the side surface 50 has an arc C that extends from a heel of the bead 10 portion and projects inward.
    Type: Application
    Filed: November 8, 2017
    Publication date: May 10, 2018
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Kenichiro TANADA
  • Patent number: 9272579
    Abstract: In a tire 2, a body 24 and side ends 26 are formed by side grooves 22 being formed in edge PT portions of a tread 4. A ratio of a width BW of a belt 12 to a width TW of the body 24 is 0.95-1.00. A width GW of each side groove 22 is greater than or equal to 2.0 mm. A width RW of each side end 26 is greater than or equal to 2.0 mm. A ratio of a depth D1 of each side groove 22 to a depth D of each main groove 30a is 0.6-1.0. A ratio of a distance H from a vertex PP of each side end 26 to the tread surface 28 relative to the depth D is greater than or equal to 0.4.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: March 1, 2016
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Kenichiro Tanada
  • Patent number: 9045007
    Abstract: A heavy-load radial tire comprises a tread portion, wherein in a tire meridian section including a tire axis under a normally inflated unloaded condition in which the tire is mounted on a standard wheel rim and inflate to a standard pressure but loaded with no tire load, the tread portion comprises a crown portion and a pair of shoulder portions each disposed axially outside the crown portion and including a tread edge, the crown portion has a crown profile being a circular arc of a radius of curvature TR1 of which the center is on a tire equatorial plane, the shoulder portion has a shoulder profile being a circular arc of a radius of curvature TR2 which crosses the crown profile at an intersection point P so that a tangent line on the shoulder profile at the intersection point P inclines at angle of not more than 7 degrees with respect to a tire axial direction, wherein the radius of curvature TR2 is 0.60 to 0.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: June 2, 2015
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Atsushi Yamahira, Reika Noguchi, Kenichiro Tanada, Masahiro Tamura
  • Publication number: 20130048172
    Abstract: In a tire 2, a body 24 and side ends 26 are formed by side grooves 22 being formed in edge PT portions of a tread 4. A ratio of a width BW of a belt 12 to a width TW of the body 24 is 0.95-1.00. A width GW of each side groove 22 is greater than or equal to 2.0 mm. A width RW of each side end 26 is greater than or equal to 2.0 mm. A ratio of a depth D1 of each side groove 22 to a depth D of each main groove 30a is 0.6-1.0. A ratio of a distance H from a vertex PP of each side end 26 to the tread surface 28 relative to the depth D is greater than or equal to 0.4.
    Type: Application
    Filed: June 22, 2012
    Publication date: February 28, 2013
    Inventor: Kenichiro TANADA
  • Publication number: 20110315288
    Abstract: A heavy-load radial tire comprises a tread portion, wherein in a tire meridian section including a tire axis under a normally inflated unloaded condition in which the tire is mounted on a standard wheel rim and inflate to a standard pressure but loaded with no tire load, the tread portion comprises a crown portion and a pair of shoulder portions each disposed axially outside the crown portion and including a tread edge, the crown portion has a crown profile being a circular arc of a radius of curvature TR1 of which the center is on a tire equatorial plane, the shoulder portion has a shoulder profile being a circular arc of a radius of curvature TR2 which crosses the crown profile at an intersection point P so that a tangent line on the shoulder profile at the intersection point P inclines at angle of not more than 7 degrees with respect to a tire axial direction, wherein the radius of curvature TR2 is 0.60 to 0.
    Type: Application
    Filed: June 20, 2011
    Publication date: December 29, 2011
    Inventors: Atsushi YAMAHIRA, Reika Noguchi, Kenichiro Tanada, Masahiro Tamura