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.
Patent No.:
Date of Patent:
Jul. 21, 2026
Filed:
Feb. 23, 2024
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Inventors:
Takahiro Sajima, Kobe, JP;
Daijiro Kojima, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/06 (2006.01); A63B 37/00 (2006.01);
U.S. Cl.
CPC ...
A63B 37/00922 (2020.08); A63B 37/0075 (2013.01); A63B 37/0096 (2013.01);
Abstract
A golf ball can include a core, amid layer, and a cover. In the golf ball, a hardness Ho at a central point of the core, a core surface hardness Hs, a hardness H1 at a point to which a distance from the central point of the core can be equal to 25% of a radius of the core, a hardness H2 at a point to which a distance from the central point of the core can be equal to 75% of the radius of the core, a hardness Hm of the mid layer, and a hardness Hc of the cover can satisfy all of the following relational expressions.