ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,117, issued on April 14, was assigned to BLASTIC (South Korea).

"Touch joystick" was invented by Hyunjin Koh (Seoul, South Korea) and Woojin Koh (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A physical input device for use with a touch screen of an electronic device may include a fixed part attachable to the electronic device, and a moving part movable relative to the fixed part. The moving part may include a finger part for receiving user input, and a touch part for contacting the touch screen. The moving part may be configured to move horizontally to generate a first touch input on a first area of the touch screen. The moving...