ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,109, issued on Feb. 17, was assigned to FUJIFILM Corp. (Tokyo).
"Zoom lens and imaging apparatus" was invented by Daiki Kawamura (Saitama, Japan) and Tetsuya Ori (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The zoom lens consists of, in order from an object side, a first lens group that has a positive refractive power, a second lens group that has a negative refractive power, a middle group that includes one or more lens groups, and a final lens group. The middle group has a positive refractive power as a whole throughout an entire zoom range. During zooming, a spacing between the first lens group and the second lens group changes,...