ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,461, issued on April 29, was assigned to ZHEJIANG SUNNY OPTICS Co. LTD (Zhejiang, China).
"Optical imaging lens assembly" was invented by Qiqi Lou (Zhejiang, China), Fujian Dai (Zhejiang, China) and Liefeng Zhao (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a first lens (E1) having a positive refractive power; a second lens (E2) having a refractive power; a third lens (E3) having a positive refractive power and an object-side surface (S5) of the third lens (E3) being convex; a fourth lens (E4) having a refractive power...