ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,156, issued on May 20, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Motors Corp. (Seoul, South Korea).

"Transformer incorporating printed circuit board and manufacturing method thereof" was invented by Jun Hwan Park (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transformer includes a core portion having a magnetic property and having a through hole formed therein, and a first coil portion formed with a first circuit board on which circuit patterns are printed on one surface thereof, having a shape enclosing a part of the core portion while penetrating the through hole of the core portion, and formed to be ben...