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:
Aug. 16, 2005
Filed:
Oct. 22, 2002
Norihiko Nakahara, Hiratsuka, JP;
Yoh Nishizawa, Hiratsuka, JP;
Tomoaki Mori, Hiratsuka, JP;
Shinji Yamamoto, Hiratsuka, JP;
Norihiko Nakahara, Hiratsuka, JP;
Yoh Nishizawa, Hiratsuka, JP;
Tomoaki Mori, Hiratsuka, JP;
Shinji Yamamoto, Hiratsuka, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
A golf club head capable of obtaining both vibration damping performance and pleasant hitting sound by combining materials different in kind. This golf club head has a hollow structure, and a constitution where fiber reinforced plastic having a mass ratio of 4% or more in the entire head is used for at least one of neck, face, sole, crown and side portions, and the rest is made of metal. An outer shell of the hollow structure includes both of a part made of only metal and a part made of only fiber reinforced plastic.