ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,558, issued on June 3, was assigned to Voyetra Turtle Beach Inc. (White Plains, N.Y.).

"Key structure with light-guiding function" was invented by Kristian Zirr (Hamburg, Germany) and Wei Chuan Wang (New Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some implementations, a key structure may include a lower shell fixedly connected to a keyboard base. In addition, the device may include an upper shell assembled above the lower shell, where the upper shell is made of transparent plastic material, the upper shell is provided with having a through opening. The device may include a plurality of light guide columns extending downwardly fr...