ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,458, issued on April 15, was assigned to NUVOTON TECHNOLOGY CORPORATION JAPAN (Kyoto, Japan).

"Light emitting assembly with a degradation determiner for the laser elements and for the optical system" was invented by Katsuya Samonji (Toyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light source device includes: a first optical element through which emission light emitted from each of semiconductor laser elements propagates; a first light receiver that receives first propagating light that has propagated through the first optical element; a laser driving controller that controls the semiconductor laser elements; and a measurement circuit ...