ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,529, issued on March 25, was assigned to SINTAI OPTICAL (SHENZHEN) Co. LTD. (Shenzhen, China) and ASI OPTICAL Co. INC. (Taichung, Taiwan).

"Lens assembly" was invented by An-Kai Chang (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lens assembly comprises a first lens, a second lens, a third lens, a fourth lens, a sixth lens, a seventh lens and an eighth lens which are arranged sequentially from an object side to an image side along an optical axis. The first lens is a meniscus lens with negative refractive power and comprises a convex surface facing an object side and a concave surface facing an image side. The second lens is wi...