ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,964, issued on Sept. 30, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Active capacitive stylus, sensor controller, related system and method" was invented by Naoki Watanabe (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method may be executed by one or more active capacitive styluses and a sensor controller connected to sensor electrodes. The method includes: a discovery step, executed by the sensor controller, of repeatedly sending out a discovery packet for detecting any of the active capacitive styluses; a discovery response step, executed by a first active capacitive stylus among the one or more active capacitive styluses, by whic...