Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hideo Matsunaga0
Date of Patent
November 25, 2008
0Patent Application Number
114514020
Date Filed
June 13, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
This invention provides a hollow golf club head having a face portion, a crown portion, a sole portion, and a side portion. The head has 0.3 to 0.6-mm thick thin-walled regions on the face side of the crown portion and the face side of the side portion, a medium-thick-walled region thicker than the thin-walled region of the crown portion at the back of the thin-walled region, and a high-rigidity region on the face side of the sole portion.
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