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:
Jun. 22, 2004
Filed:
Feb. 02, 2001
Applicant:
Inventors:
Mutsumi Harada, Hamamatsu, JP;
Hiroaki Inoue, Hamamatsu, JP;
Atsushi Uchida, Hamamatsu, JP;
Tatsuya Hirakawa, Hamamatsu, JP;
Assignee:
Yamaha Corporation, Shizuoka-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
A63B 5/304 ;
U.S. Cl.
CPC ...
A63B 5/304 ;
Abstract
By hot pressing a cold rolled &bgr; type titanium alloy which has not been subjected to solution heat treatment into a predetermined shape, it is possible to obtain a part with a cold rolled metallurgical texture in its approximately central portion in the thickness direction, and a solution heat treatment metallurgical texture in its other portions, and a golf club head is manufactured using this part as a face member.