ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,126, issued on Nov. 25, was assigned to Genius Electronic Optical (Xiamen) Co. Ltd. (Fujian, China).
"Optical imaging lens" was invented by Chuanbo Dong (Fujian, China), Hai Lin (Fujian, China) and Qingzhi Zhu (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical imaging lens includes a first lens element to a ninth lens element from an object side to an image side along an optical axis and each lens element has an object-side surface and an image-side surface. A periphery region of the object-side surface of the fourth lens element is concave, an optical axis region of the image-side surface of the fourth lens element is convex, ...