ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,152, issued on April 29, was assigned to HOYA Corp. (Tokyo).

"Program, information processing method, and endoscope system" was invented by Akihiko Nishide (Tokyo) and Junko Sugai (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A program causes a computer communicatively connected to an endoscope apparatus provided with a master endoscope and a slave endoscope to execute processing, including acquiring a master endoscope image of a subject from the master endoscope, acquiring a slave endoscope image of the subject from the slave endoscope, and correcting a color tone of at least either one endoscope image of the master endoscope image...