Patent 10456643 was granted and assigned to Sumitomo Rubber Industries on October, 2019 by the United States Patent and Trademark Office.
A golf club head includes a top portion, a sole portion opposite the top portion, and a striking face configured to impact a golf ball. The striking face includes a face center and a variable thickness distribution such that the club head exhibits an Expected COR value of not less than 0.810, the Expected COR value being determined based on the following relationship: