US Patent Issued to Canon on Jan. 20 for "Optical element, optical apparatus, imaging apparatus, and compound" (Japanese Inventor)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,822, issued on Jan. 20, was assigned to Canon K.K. (Tokyo).

"Optical element, optical apparatus, imaging apparatus, and compound" was invented by Kei Tagami (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical element containing a cured product of a resin composition containing a compound represented by the formula (1): wherein X1 denotes a substituted phenyl group with at least one trifluoromethyl group and is optionally substituted with a hydrogen atom, C1-C4 alkyl group, and/or C1-C3 alkylene group, X2 denotes a substituted or unsubstituted phenyl group, A denotes at least one of a substituted or unsubstituted phenyl group a...