ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,269, issued on July 14, was assigned to Samsung Electro-Mechanics Co. Ltd. (Suwon-si, South Korea).

"Optical imaging system" was invented by You Jin Jeong (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical imaging system includes first to ninth lenses, wherein the first lens has a positive refractive power, the second lens has a negative refractive power, the fourth lens has a positive refractive power, a refractive index of the second lens is greater than a refractive index of the first lens and a refractive index of the third lens, each of at least two lenses including the second lens has a refractive index equal to o...