ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,714, issued on Dec. 16, was assigned to KANEKA Corp. (Osaka, Japan).
"Artificial hair and method for producing artificial hair" was invented by Yu Nakamura (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluffy and voluminous artificial hair and a method for producing the same are provided. Artificial hair including a fiber cord with one or more fiber bundles braided or spirally wound has a configuration in which the fiber bundle is a bundle of a plurality of fibers including a first fiber and a second fiber. A cross section orthogonal to a longitudinal direction of the fiber bundle has a core and a shell enclosing the core. The core ...