Patent 7530903 was granted and assigned to Bridgestone on May, 2009 by the United States Patent and Trademark Office.
A hollow golf club head includes a face portion made of metal, a sole portion, a side portion, a crown portion, and a hosel portion. The crown portion includes a main portion made of a fiber reinforced resin, and a front edge portion made of the metal. The front edge portion of the crown portion is continuous with the face portion. The sole portion comprises a center portion made of the metal in a toe-heel direction. A weight of a portion made of the fiber reinforced resin including the main portion of the crown portion is in a range of 5% to 30% of a total weight of the golf club head.