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.

Date of Patent:
Apr. 21, 2009

Filed:

Aug. 17, 2007
Applicants:

Hisashi Yamagishi, Tokyo, JP;

Yasunori Imamoto, Tokyo, JP;

Inventors:

Hisashi Yamagishi, Tokyo, JP;

Yasunori Imamoto, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A golf club head includes a front body formed of a titanium-based metal material, an FRP body, a metallic sole plate, and a weight member. The front body has a face portion, a metal sole portion, a metal side portion (toe), a metal crown portion, a metal side portion (heel), and a hosel portion. A slight gap is formed between a front side of the sole plate and the metal sole portion. Preferably, the front body is made of a titanium alloy, while the sole plate is made of stainless steel. The height of center of gravity (mm) and the head volume V have a relationship of H≦0.05V+7.5.


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