ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,646, issued on Sept. 23, was assigned to Samsung Electro-Mechanics Co. Ltd. (Suwon-si, South Korea).
"Optical imaging system" was invented by Hag Chul Kim (Suwon-si, South Korea), Hwan Soo Park (Suwon-si, South Korea) and Yong Joo Jo (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical imaging system includes a first lens having a negative refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a positive refractive power; and a seventh lens ha...