Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wataru Ban0
Date of Patent
November 29, 2016
0Patent Application Number
146930510
Date Filed
April 22, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A golf club head of this invention is a wood type golf club head including a face portion, a crown portion, and a sole portion. A plurality of grooves arrayed in the vertical direction of the face portion are formed in the face portion. The depth of the plurality of grooves is less than 0.025 mm. When pitches between, out of the plurality of grooves, grooves adjacent in the vertical direction of the face portion are represented by P1, P2, . . . , Pn sequentially from the upper side to the lower side of the face portion, P1≧P2≧ . . . ≧Pn, and P1>Pn.
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