ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,489, issued on July 22, was assigned to UltraSense Systems Inc. (San Jose, Calif.).
"Force-measuring and touch-sensing integrated circuit device" was invented by Hao-Yen Tang (San Jose, Calif.), Sina Akhbari (San Jose, Calif.), Man-Chia Chen (Palo Alto, Calif.), Zhongxuan Tu (Shanghai) and Michael Chen (Sunnyvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A force-measuring and touch-sensing integrated circuit device includes a semiconductor substrate, a thin-film piezoelectric stack overlying the semiconductor substrate, piezoelectric micromechanical force-measuring elements (PMFEs), and piezoelectric micromechanical ultrasonic transduce...