ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,182, issued on Dec. 2, was assigned to SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION (Seoul, South Korea).

"Transmission line for millimeter wave band using vertical type PIN diode" was invented by Jungsuek Oh (Seoul, South Korea) and Jinhyun Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "This transmission line for a millimeter wave band using a vertical type PIN diode comprises: a diode layer comprising a vertical type PIN diode and a metal column of the same size as the vertical type PIN diode; an upper signal application substrate which is located on the diode layer and comprises metal columns for transferring a millimeter wave...