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:
Jul. 14, 2009
Filed:
Jun. 03, 2005
Applicants:
Takaharu Suzuki, Shizuoka, JP;
Shuhei Adachi, Shizuoka, JP;
Inventors:
Takaharu Suzuki, Shizuoka, JP;
Shuhei Adachi, Shizuoka, JP;
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22F 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A titanium alloy part has a compressive stress of approximately 270 MPa or more within a depth of about 100 μm from a surface thereof. Since a large compressive stress exists in the area of the surface, the titanium alloy part exhibits a high fatigue strength.