ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,277, issued on March 31, was assigned to FINE M-TEC Co. LTD. (Anyang-si, South Korea).

"Hinge device of portable terminal with foldable structure" was invented by Sung Chun Hong (Seoul, South Korea), Hyun Taek Jung (Seoul, South Korea) and Chang Soo Kim (Incheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hinge device for a portable terminal having a foldable structure according to the present invention comprises: a housing positioned between one end of a first body and one end a second body; a first hinge blade and a second hinge blade which are fixed to the first body and the second body, respectively, and are rotatably supporte...