ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,900, issued on April 7, was assigned to NIPPON STEEL Corp. (Tokyo).
"Structural member" was invented by Atsushi Ono (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A structural member includes a first member, a second member, and a restricting portion. The first member includes a top plate, vertical walls, flanges, and ridge portions. The second member includes a top plate, vertical walls, flanges, and ridge portions. The vertical walls of the second member are disposed along the vertical walls of the first member inside of the vertical walls. The flanges of the second member are joined to the flanges of the first member, respectively. The res...