Resonac Holdings Corporation is a listed Japanese materials and chemicals company headquartered in Tokyo. It was formed on 1 January 2023 through the merger of Showa Denko K.K. and Showa Denko Materials (formerly Hitachi Chemical), bringing together more than a century of combined chemical and materials science expertise. Resonac’s corporate mission is “Change society through the power of chemistry.” The Group employs tens of thousands of people and operates manufacturing, R&D and sales sites across Asia, Europe and the Americas. Learn more