ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,093, issued on Jan. 13, was assigned to FUJIFILM Corp. (Tokyo).

"Ultrasound diagnostic apparatus and control method of ultrasound diagnostic apparatus" was invented by Tetsurou Ebata (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an ultrasound diagnostic apparatus and a control method of the ultrasound diagnostic apparatus of the present invention, a tissue layer detection unit analyzes each of a plurality of two-dimensional ultrasound images to detect a tissue layer in a range from a body surface of an examination location to a predetermined depth. A normal vector calculation unit calculates a normal vector perpendicular to a tissue plane...