ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,178, issued on July 14, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Separator for fuel cell with excellent corrosion resistance and conductivity and coating method therefor" was invented by Woong Pyo Hong (Suwon, South Korea), Jung Yeon Park (Hwaseong, South Korea) and Seung Jeong Oh (Hwaseong, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a separator for a fuel cell having excellent corrosion resistance and conductivity and a method of manufacturing the same. The separator includes a metal base material and a carbon coating layer formed on the surface of the metal base mater...