ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,064, issued on July 14, was assigned to Honor Device Co. Ltd. (Shenzhen, China).

"Blood pressure measurement method for wearable device and wearable device" was invented by Dan Su (Shenzhen, China), Yi Liu (Shenzhen, China), Zhibo Xie (Shenzhen, China) and Hao Chong (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a blood pressure measurement method for a wearable device and a wearable device, so as to improve measurement accuracy of a blood pressure value. The wearable device includes a pressure transducer (PT) and a photoplethysmography (PPG) module. The PT and the PPG module are deployed at a target positi...