ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,880, issued on June 30, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).
"Stylus, handwriting system using the same and operating method thereof" was invented by Shu-Sian Yang (Hsin-Chu County, Taiwan), Yi-Chung Chen (Hsin-Chu County, Taiwan), Chung-Ting Yang (Hsin-Chu County, Taiwan), Chia-Fu Ke (Hsin-Chu County, Taiwan) and Chin-Seang Seow (Penang, Malaysia).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a handwriting system including a stylus, a touchpad, a memory, a processor and a display. The touchpad is arranged at a predetermined position on the stylus for detecting a position/angle of a user holding the stylus...