ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,023, issued on Feb. 10, was assigned to NIPPON LIGHT METAL COMPANY LTD. (Tokyo).

"Aluminum member and method for producing same" was invented by Takayuki Yamaguchi (Shizuoka, Japan) and Yoshihiro Taguchi (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an aluminum member including: a substrate formed of aluminum or an aluminum alloy. The aluminum member includes an anodic oxide coating that includes a barrier layer in contact with a surface of the substrate, a first porous layer in contact with a surface of the barrier layer on an opposite side to the substrate, and a second porous layer in contact with a surface of the fi...