The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2011
Filed:
Jan. 11, 2006
Applicant:
Atsushi Ogawa, Kawasaki, JP;
Inventor:
Atsushi Ogawa, Kawasaki, JP;
Assignee:
JFE Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a golf club head which has the coefficient of restitution within the regulated range and which is easy for hitting balls. The ball-hitting face is made of a material anisotropic in Young's modulus. Preferably the direction of the largest Young's modulus on the face material is perpendicular to the horizontal direction on the face.