ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,310, issued on March 3, was assigned to FUJIFILM Corp. (Tokyo).

"Endoscope and endoscope apparatus" was invented by Masato Yoshioka (Kanagawa, Japan) and Takeshi Fukuda (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An auxiliary measurement light optical system of an endoscope is housed in a second hole portion. A transparent lid is provided at a distal end of the second hole portion and the second hole portion is closed by the transparent lid, so that the auxiliary measurement light optical system is housed behind the transparent lid. The transparent lid is formed in the shape of a plate, and one end surface of the transparent lid ...