ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,634, issued on Sept. 15, was assigned to JFE STEEL Corp. (Tokyo).
"Metal sheet forming limit determination method and forming limit determination system, and computer program" was invented by Kentaro Sato (Tokyo), Yuta Kariyazaki (Tokyo), Toru Inazumi (Tokyo) and Yutaka Takahashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A metal sheet includes a forming test step that forms a test specimen with an arbitrary lattice or a pattern for strain analysis while capturing an image of the surface, analyzing images obtained during the forming to measure the strain, and storing the strain in time series from the start of the forming to the occurren...