ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,699, issued on July 29, was assigned to Canon K.K. (Tokyo).
"Optical component and optical apparatus" was invented by Shinji Fukui (Tochigi, Japan) and Seiji Kuwabara (Tochigi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical component includes a base and a multilayer film including a first layer group located on the base and a second layer group located between the first layer group and the base. The second layer group includes a first dielectric layer and a second dielectric layer alternately stacked, the first layer group includes a third dielectric layer and a fourth dielectric layer alternately stacked. The first dielectric layer...