ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,139, issued on June 2, was assigned to NIPPON STEEL Corp. (Tokyo).
"Manufacturing method of press-formed article and press line" was invented by Minoru Sugawara (Tokyo), Takashi Yamamoto (Tokyo), Yasuharu Tanaka (Tokyo), Takashi Miyagi (Tokyo), Misao Ogawa (Tokyo) and Junki Natori (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A manufacturing method of a press-formed article (200) including: press-forming a metal sheet into a preformed article (100) including a preformed bottom sheet portion (110), a first preformed standing wall portion (120a), a second preformed standing wall portion (120b), a preformed ridge portion (130) provided between t...