Resonac, the new integrated company of Showa Denko K.K. and Showa Denko Materials Co., Ltd. (former Hitachi Chemical), aims to be a co-creation type chemical company and is striving to improve the performance of semiconductors as a social issue. To accelerate the development of cutting-edge semiconductor packaging technology, we will introduce JOINT2 and US-JOINT as examples of co-creation with domestic and overseas material, substrate, and equipment manufacturers.