ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,097, issued on March 24, was assigned to Canon K.K. (Tokyo).
"Optical apparatus" was invented by Masayasu Teramura (Tochigi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus according to the aspect of the embodiments includes a light source, a first surface configured to reflect light from the light source toward an object, a second surface with a shape different from a shape of the first surface in which the second surface is configured to reflect a part of the light from the object toward the object, and a third surface configured to reflect a part of the light reflected by the second surface and then reflected by the object, tow...