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:
Nov. 19, 2013
Filed:
Sep. 15, 2012
Ichiro Hiratsuka, Anjo, JP;
Mie Tokuhara, Anjo, JP;
Tomoyoshi Konishi, Chuo-ku, JP;
Arata Suda, Chuo-ku, JP;
Ichiro Hiratsuka, Anjo, JP;
Mie Tokuhara, Anjo, JP;
Tomoyoshi Konishi, Chuo-ku, JP;
Arata Suda, Chuo-ku, JP;
Aisin Seiki Kabushiki Kaisha, Kariya-shi, JP;
Nihon Parkerizing Co., Ltd., Tokyo, JP;
Abstract
An aluminum alloy member includes a main body including an aluminum alloy serving as a base material, and an electrolytic oxidation ceramic coating coated at a portion of a surface of the main body and including a most outer layer and an inner layer which is arranged close to the main body relative to the most outer layer, the inner layer in which an aluminum oxide is richer than the most outer layer, the most outer layer in which a volume of a titanium oxide or a total volume of the titanium oxide and a zirconium oxide is richer than the inner surface.