ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,343, issued on May 12, was assigned to CANON K.K. (Tokyo).

"Lens apparatus and image pickup apparatus having the same" was invented by Katsuhiro Inoue (Tochigi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The lens apparatus comprises a second lens barrel configured to hold a lens, a first guide bar configured to guide the second lens barrel in an optical axis direction, a bar holding member that holds one end side of the first guide bar, a cam follower engaged with the bar holding member and including a portion eccentric with respect to a rotation axis, and a first fixing member configured to hold the bar holding member via the cam follower....