ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,854, issued on Nov. 4, was assigned to Dexerials Corp. (Tochigi, Japan).

"Optical power supply converter" was invented by Takatomo Isomura (Kyoto, Japan) and Etsuji Omura (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical power supply converter that photoelectrically converts light incident through optical fiber cables is provided with; a reflecting section having a concave reflecting mirror formed with a partially concave surface of an ellipsoid of revolution rotated about a major axis passing through first and second focuses of the ellipse; a light receiving element for photoelectric conversion disposed at the first focus; and ...