US Patent Issued to Ushio Denki on March 25 for "Optical heating apparatus with angled light holding substrate and heating treatment method thereof" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,061, issued on March 25, was assigned to Ushio Denki K.K. (Tokyo).

"Optical heating apparatus with angled light holding substrate and heating treatment method thereof" was invented by Tomonori Yoshida (Tokyo) and Takahiro Inoue (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical heating apparatus includes a supporter on which a workpiece is placed and a plurality of light source units each including an LED substrate on which multiple LED elements are mounted. A first main surface of the LED substrate fails to be parallel to a second main surface of the workpiece. Each of the light source units is arranged to satisfy the following formu...