ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,881, issued on March 11, was assigned to FUJIFILM Corp. (Tokyo).

"Photoelectric conversion element, imaging element, optical sensor, and compound" was invented by Tomoaki Yoshioka (Kanagawa, Japan), Tomoyuki Mashiko (Kanagawa, Japan) and Koichi Iwasaki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is to provide a photoelectric conversion element having excellent heat resistance. In addition, an imaging element and an optical sensor which include the photoelectric conversion element are provided. Furthermore, a compound applied to the photoelectric conversion element is provided. A photoelectric conversion ele...