ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,306, issued on June 24, was assigned to MITSUI CHEMICALS INC. (Tokyo).
"Optical component" was invented by Hideki Wasa (Chiba, Japan), Futoshi Fujimura (Ichihara, Japan), Haruka Saito (Chiba, Japan), Tatsuya Nakamura (Ichihara, Japan) and Makoto Nakashima (Ichihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical component including a cyclic olefin-based copolymer (A), in which the cyclic olefin-based copolymer (A) has a constitutional unit (a) derived from at least one olefin represented by the following general formula (I), a constitutional unit (b) derived from at least one cyclic olefin represented by the following ge...