US Patent Issued to Proterial on April 22 for "Additive manufacturing article and method for producing additive manufacturing article" (Japanese Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,425, issued on April 22, was assigned to Proterial Ltd. (Tokyo).

"Additive manufacturing article and method for producing additive manufacturing article" was invented by Yuzo Daigo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An additive manufacturing article according to the present invention is composed of an Ni-based alloy that contains Cr and Mo, while containing Ni in the largest amount in terms of the mass ratio; and an oxide film that is mainly composed of Cr is formed in a part or the entirety of the surface. This oxide film that is mainly composed of Cr has a region wherein the O content is higher in comparison to that in the inner ...