ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,531, issued on April 21, was assigned to Keeson Technology Corporation Limited (Jiaxing, China) and Yangtze Delta Region Institute of Tsinghua University, Zhejiang (Jiaxing, China).

"Split-type piezoelectric sensor" was invented by Huafeng Shan (Jiaxing, China), Jiadong Wang (Jiaxing, China), Kaimin Cao (Jiaxing, China), Xiuping Han (Jiaxing, China), Hongwen Li (Jiaxing, China) and Lei Chen (Jiaxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A split-type piezoelectric sensor includes a first circuit board and a second circuit board. The first circuit board includes a sub-board, a piezoelectric film, and a first connector. The sub-board a...