US Patent Issued to Canon on Sept. 8 for "Cemented optical element, optical apparatus, and image pickup apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,284, issued on Sept. 8, was assigned to Canon K.K. (Tokyo).

"Cemented optical element, optical apparatus, and image pickup apparatus" was invented by Kazuhiro Arai (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cemented optical element having a first optical component, a second optical component, and a third optical component that contains a resin and is sandwiched between the first optical component and the second optical component. The first optical component contains a resin and has a line unevenness structure on at least a part of a surface in contact with the third optical component. The fine unevenness structure is formed by...