ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,783, issued on Sept. 16, was assigned to Canon K.K. (Tokyo).
"Optical element, optical apparatus, and image pickup apparatus" was invented by Kumiko Yashima (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical element including a first lens, a second lens, and an optical resin arranged between the lenses. The opposing surfaces of the first lens and the optical resin, and/or the opposing surfaces of the optical resin and the second lens are joined to each other with an adhesive resin having a specific elastic modulus. The first lens is a convex lens and the second lens is a concave lens. The thickness of the center of the optical resin i...