MaterialsMori says US workers see joining with Nippon Steel as a positiveNippon Steel Vice Chairman and Executive Vice President Takahiro Mori speaks at a press conference on June 11. (Photo by Shintaro Ino)NAOKI MATSUDAJune 18, 2026 07:07 JSTTOKYO -- One year after its blockbuster acquisition of U.S. Steel, Nippon Steel's efforts to reform the struggling steelmaker have delivered some positive results, but the Japanese parent is not satisfied with the improvements yet, Vice Chairman and Executive Vice President Takahiro Mori told Nikkei.