Patent ID: 8187118

Claim:
A golf club head, comprising: a face member made of a metal material; wherein the face member includes a ball-striking face, and an oval thick portion positioned in a central portion of the ball-striking face; the oval thick portion has an oval shape viewed in a direction crossing the ball-striking face, the oval shape having recesses formed by recessing both sides of the oval shape in a major axis direction thereof along the face member in an arc-shaped fashion; the oval thick portion is formed on the face member such that the recesses are directed to a toe-side upper portion and a heel-side lower portion, respectively; the oval thick portion has a thickness that becomes thickest at a central portion of the oval thick portion and is gradually reduced from the central portion towards a periphery of the oval thick portion; the face member is formed such that a portion which lies outside the thick portion is thinner than the oval thick portion; and an occupancy rate of the oval thick portion in the ball-striking face is in a range of 25 to 45%, wherein an occupancy rate of the toe-side upper portion and the heel-side lower portion in a portion of the ball-striking face which excludes the oval thick portion is 60% or more.