ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,947, issued on June 24, was assigned to SHANGHAI ZD MEDICAL TECHNOLOGY Co. LTD (Shanghai).

"Rehabilitation robot assisted motion system and method based on motion intention" was invented by Yixi Wang (Shanghai), Xiang Chen (Shanghai), Zhuo Jian (Shanghai) and Daoyu Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a rehabilitation robot assisted movement method and a system based on a user's active movement intention. The method includes acquiring an eye movement information of the user; processing the eye movement information to generate a user focus level coefficient; and in response to the user focus level coefficient sa...