Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akio Yamamoto0
Date of Patent
January 9, 2007
0Patent Application Number
106215260
Date Filed
July 18, 2003
0Patent Primary Examiner
Patent abstract
A golf club head whose head volume is in a range of from 355 to 450 cc comprises a hollow body comprising a face portion and sole portion each made of a metal material, and the hollow body has a structure producing a ball-hitting sound whose maximum sound pressure level occurs around 6.3 kHz.
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