South Korea and Japan held an economic security dialogue in Tokyo, discussing cooperation on AI, semiconductors, critical minerals and supply chains

Dialogues of this kind between Seoul and Tokyo have become a recurring feature of the regional technology-security architecture, part of a broader pattern in which export-control coordination and supply-chain pledges are negotiated bilaterally before binding measures follow. The substance sits at the intersection of two distinct channels: semiconductors and AI cooperation, which bears on the Northeast Asian foundry and memory complex and its alignment with allied export-control regimes toward China, and critical minerals, where the operative question is joint procurement and processing arrangements that reduce dependence on concentrated refining capacity. Historical precedent with such dialogues is that they rarely produce immediate market-moving deliverables; the sequence has tended to run from communiqué to working groups to, eventually, specific licensing, investment-screening, or stockpiling measures, each of which is where the tradeable signal has actually appeared. The bilateral context matters: Korean-Japanese economic coordination has a history of reversing sharply when political relations deteriorate, including past episodes of export restrictions between the two on chip inputs, so durability of the framework is itself a variable. Worth watching are any follow-on ministerial or trilateral formats involving Washington, and whether the language on critical minerals translates into offtake or financing commitments.