The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 02, 2025

Filed:

Mar. 01, 2021
Applicant:

The Yokohama Rubber Co., Ltd., Tokyo, JP;

Inventor:

Kenji Horiuchi, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 11/03 (2006.01); B60C 11/11 (2006.01); B60C 11/12 (2006.01);
U.S. Cl.
CPC ...
B60C 11/0304 (2013.01); B60C 11/0306 (2013.01); B60C 11/033 (2013.01); B60C 11/1218 (2013.01); B60C 2011/0341 (2013.01); B60C 2011/036 (2013.01); B60C 2011/1213 (2013.01);
Abstract

In a tire with a specified mounting direction, groove area ratios Rin and Rout in ground contact regions on the vehicle inner and outer sides, respectively, satisfy Rin>Rout, average land portion areas Ain and Aout of intermediate regions Min and Mout on the vehicle inner and outer sides, respectively, satisfy Ain<Aout, the number of blocks Nin and Nout in the intermediate regions Min and Mout, respectively, satisfy Nin≥1.5×Nout, total sipe lengths Sin and Sout in the intermediate regions Min and Mout, respectively, satisfy Sin>Sout, and sipes formed in the intermediate region Min have a three-dimensional structure in a range of 70% or more of a sipe length.


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