Yoon Seok-Yeol ‘Semiconductor Supply Chain’, US-Japan ‘Advanced Semiconductor Alliance’ Samsung ‘Investment in Japan’ The Yoon Seok-yeol regime jointly agreed on the 'semiconductor supply chain' at the Korea-US summit, and the following US-Japan summit agreed on the 'high-tech semiconductor alliance', and ahead of the Hiroshima G7 Korea-US-Japan summit, Samsung invested '300 billion won in Japan..