ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,899, issued on April 15, was assigned to MAXELL LTD. (Kyoto, Japan).

"Image pickup device and method of tracking subject thereof" was invented by Hiroshi Shimizu (Kyoto, Japan), Kazuhiko Yoshizawa (Kyoto, Japan), Yasunobu Hashimoto (Kyoto, Japan) and Nobuo Masuoka (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an image pickup device that recognizes the object that the user is attempting to capture as the subject, tracks the movement of that subject, and can continue tracking the movement of the subject even when the subject leaves the capturing area so that the subject can always be reliably brought into f...