ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,184, issued on March 25, was assigned to CANON K.K. (Tokyo).
"Image sensor and image capturing apparatus" was invented by Koichi Fukuda (Tokyo), Kohei Okamoto (Kanagawa, Japan) and Shunichi Wakashima (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an image sensor having a plurality of pixels including focus detection pixels that outputs signals from which a pair of focus detection signals having parallax can be obtained based on light flux passing through different pupil regions of an imaging optical system, each pixel comprises: at least one photoelectric conversion unit; and a microlens optical system provided on a side on which light is...