ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,198, issued on May 13, was assigned to DOT INCORPORATION (Seoul, South Korea).

"Protrusion-based smart tablet" was invented by Ju Yoon Kim (Gimpo-si, South Korea), Ji Ho Kim (Gimpo-si, South Korea) and Hyeon Cheol Park (Gwangmyeong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a protruding-based smart tablet including an expression area sensed by a user, the protruding-based smart tablet including a plurality of expression units formed to perform a protruding movement so that the user senses the protruding, a movement control unit configured to control the movement of the expression units, an information control unit con...