ALEXANDRIA, Va., March 5 -- United States Patent no. 12,242,128, issued on March 4, was assigned to CANON K.K. (Tokyo).
"Lens barrel and image pickup apparatus" was invented by Shinichiro Harada (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens barrel for providing a compact lens barrel capable of suppressing ghosts and flares includes a first lens holding portion that holds a first lens; and a second lens holding portion that holds a second lens disposed further toward an image plane side than the first lens, wherein the outer diameter of the first lens is larger than the outer diameter of the second lens, wherein a plurality of through-holes along the optical axis direction of the firs...