ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,004, issued on Oct. 14, was assigned to CANON K.K. (Tokyo).
"Optical apparatus and image pickup apparatus" was invented by Yuusuke Hirai (Saitama, Japan) and Yuma Iwasaki (Tochigi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens apparatus comprises a fixed barrel, a movable barrel, a mechanism configured to move the movable barrel along an optical axis by rotation of the movable barrel around the optical axis, and an operating member disposed through the fixed barrel and rotationally operated. The operating member comprises a rotating shaft and an engaging portion eccentric from the rotating shaft. The rotating shaft is rotated with the ...