Patent ID: 7448961

Claim:
A golf club head, comprising: a golf club head body including a blade portion, a sole portion, a heel-side portion, a toe-side portion and a hosel portion, the golf club head body having an assembling opening disposed at a front portion; and a complex striking plate including a base plate made from a first metal material and an upraised protrusion structure made from a second metal material different from the first metal material, the base plate having a front surface and a rear surface, said upraised protrusion structure being formed on the rear surface of the complex striking plate, the upraised protrusion structure including a reinforcing protruded block and a plurality of annular protruded ribs, a buffer structure formed in said upraised protrusion structure; wherein the complex striking plate is mounted to the assembling opening of the golf club head body to constitute the golf club head.