US Patent Issued to NIKON on March 11 for "Compound, resin precursor, cured object, optical element, optical system, interchangeable camera lens, optical device, cemented lens, and method for manufacturing cemented lens" (Japanese Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,248,119, issued on March 11, was assigned to NIKON Corp. (Tokyo).

"Compound, resin precursor, cured object, optical element, optical system, interchangeable camera lens, optical device, cemented lens, and method for manufacturing cemented lens" was invented by Yoshihiro Someya (Yamato, Japan) and Masayuki Shijo (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound represented by Formula (1) given below. (In the formula, R1 represents a hydrogen atom of a methyl group, and X represents a C2 to 6 alkylene group, a C4 to 6 alkylene group containing an oxygen atom and/or a sulfur atom, or a C3 to 6 alkylene group in which at least one ...