US Patent Issued to KANEKA on April 15 for "Core-sheath composite fiber for artificial hair, headwear product including same, and production method for same" (Japanese Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,320, issued on April 15, was assigned to KANEKA Corp. (Osaka, Japan).

"Core-sheath composite fiber for artificial hair, headwear product including same, and production method for same" was invented by Yurina Ino (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A core-sheath conjugate fiber for artificial hair includes a core part and a sheath part. The core-sheath conjugate fiber for artificial hair is a colored fiber. The core part has a lightness L* of 10 or less in the CIE1976 color space and the sheath part has a lightness L* of 15 or more in the CIE1976 color space. With this configuration, the core-sheath conjugate fiber for artific...