ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,703, issued on July 21, was assigned to AAC OPTICS (CHANGZHOU) Co. LTD. (Changzhou, China).

"Camera optical lens" was invented by Tingting Yang (Changzhou, China) and Shunda Zhou (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to the field of optical lenses and discloses a camera optical lens, comprising seven lenses. The seven lenses are in order from the objective surface to the image surface: a first lens having a positive refractive force, a second lens having a negative refractive force, a third lens having a positive refractive force, a fourth lens having a negative refractive force, a fifth len...