ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,393, issued on Nov. 3, was assigned to KANEKA Corp. (Osaka, Japan).

"Acrylic fiber for artificial hair, hair ornament product including the same, and production method therefor" was invented by Megumi Yoshikawa (Takasago, Japan), Atsushi Honda (Takasago, Japan), Ayano Tanaka (Takasago, Japan) and Takeshi Tanaka (Takasago, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an acrylic fiber for artificial hair containing an acrylic copolymer. The fiber cross-section of the acrylic fiber has one or more shapes selected from the group consisting of a C-shape, a figure-6-shape, and a broad bean-shape with a hollow portio...