ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,761, issued on April 29, was assigned to Sekisui House LTD. (Osaka, Japan).
"Foundation formwork" was invented by Yoshiyuki Matsubara (Osaka, Japan), Yoshinori Sumitomo (Osaka, Japan) and Seishi Hirano (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-weight formwork having a small change in dimensions due to an environmental temperature. A foundation formwork includes a metal frame having a rectangular frame shape, and a resin faceplate attached to the metal frame and closing an opening of the metal frame. The metal frame includes a top plate having fitting notches and L-shaped bridged bodies. The resin faceplate includes protrudi...