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:
Dec. 03, 2013
Filed:
Dec. 11, 2009
Katsuhiko Kizawa, Osaka, JP;
Tsuyoshi Mikami, Yamatotakada, JP;
Kentarou Ono, Yamatotakada, JP;
Chikara Nakajima, Hirakata, JP;
Katsuhiko Kizawa, Osaka, JP;
Tsuyoshi Mikami, Yamatotakada, JP;
Kentarou Ono, Yamatotakada, JP;
Chikara Nakajima, Hirakata, JP;
JTEKT Corporation, Osaka-shi, Osaka, JP;
Abstract
A bearing constituent member includes a surface layer, at least one of particles composed of vanadium nitride having a particle diameter of 0.2 to 2 μm and particles composed of vanadium carbonitride having a particle diameter of 0.2 to 2 μm are present in the surface layer ranging from the surface to a depth of 10 μm and at least one of the area ratio of the particles composed of vanadium nitride having a particle diameter of 0.2 to 2 μm and the particles composed of vanadium carbonitride having a particle diameter of 0.2 to 2 μm in the surface layer ranging from the surface to a depth of 10 μm is 1 to 10%.