ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,330, issued on April 21, was assigned to Ushio Denki K.K. (Tokyo).
"Optical heating apparatus" was invented by Mitsuo Funakoshi (Tokyo) and Takahiro Inoue (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a light source unit in which mounted light-emitting elements are cooled more homogeneously. The light source unit includes: a substrate having a first main surface on which a plurality of light-emitting diodes (LEDs) are mounted; a first through hole that communicates between the first main surface and a second main surface on a side opposite to the first main surface, the first through hole having a center located within a predete...