ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,184, issued on Nov. 18, was assigned to KOREA INSTITUTE OF MEDICAL MICROROBOTICS (Gwangju, South Korea).

"Integrated system for driving and location recognition of mobile magnetic substances" was invented by Chang Sei Kim (Gwangju, South Korea), Chan Kim (Gwangju, South Korea), Jong Oh Park (Gyeonggi-do, South Korea) and Ja Young Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an integrated system for driving a magnetic body and recognizing the position thereof. The system includes a magnetic field generating unit having four electromagnetic coils radially spaced apart from each other by the...