ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,971, issued on April 8, was assigned to TOKYO VISIONARY OPTICS Co. Ltd. (Tokyo).
"Imaging lens" was invented by Masaya Hashimoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power, a second lens with positive refractive power, a third lens with negative refractive power, a fourth lens, a fifth lens with positive refractive power, a sixth lens with positive or negative refractive power, and a seventh l...