US Patent Issued to CANON on June 23 for "Zoom lens and image pickup apparatus" (Japanese Inventor)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,625, issued on June 23, was assigned to CANON K.K. (Tokyo).

"Zoom lens and image pickup apparatus" was invented by Takahiro Hatada (Tochigi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom lens includes, in order from an object side to an image side, a first lens unit having positive refractive power, a second lens unit having negative refractive power, and a rear group having positive refractive power as a whole and including three or more lens units. During zooming, all lenses move and a distance between adjacent lens units changes. A lens unit closest to an image plane in the rear group moves toward the object side during zooming from...