ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,142, issued on March 3, was assigned to LASERTEC Corp. (Yokohama, Japan).

"Optical apparatus and examination apparatus" was invented by Ko Gondaira (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical apparatus and an examination apparatus that are capable of improving thermal stability are provided. An optical apparatus according to the present disclosure includes a housing that includes an optical member and on which light is incident, and a control unit configured to control, in a case in which power of incident light incident on the housing changes, the incident light after the change so that energy calculated by integratin...