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:
Apr. 15, 2003
Filed:
Dec. 08, 2000
Applicant:
Inventors:
Takayuki Shiraishi, Hiratsuka, JP;
Masayoshi Kogawa, Hiratsuka, JP;
Yoh Nishizawa, Hiratsuka, JP;
Masaki Akie, Hiratsuka, JP;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B 5/300 ; G01H 1/300 ;
U.S. Cl.
CPC ...
A63B 5/300 ; G01H 1/300 ;
Abstract
Disclosed is an evaluation method of a golf club, where a rear end portion of a club shaft is vibrated in a state where a tip portion of the club shaft is fastened to measure a frequency per unit time, and a golf club using the club shaft is evaluated based on the frequency.
Shiraishi, Takayuki. (2003). Evaluation method of golf club and golf club (U.S. Patent No. 6546802). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6546802
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile