ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,446, issued on Nov. 25, was assigned to IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) (Seoul, South Korea).

"Magnetic drive system and microrobot control method" was invented by Gunhee Jang (Seoul, South Korea), Wonseo Lee (Seoul, South Korea), Eunsoo Jung (Seoul, South Korea) and Nahyun Kim (Busan, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic drive system is disclosed. The magnetic drive system comprises: a first magnetic field generation unit; a second magnetic field generation unit which is disposed under the first magnetic field generation unit in a Z-axis direction with an operation area inter...