In May 2023, Japan restricted exports of 23 types of chipmaking equipment to China.
Notes on verification
Confirmed by multiple independent sources including official METI documents (via CSIS translation), legal/trade analyses (Baker McKenzie, Global Trade Alert), and the original MIT Technology Review article. Formal announcement date was May 23, 2023, matching the claim's timeframe. [tier=bronze indep_score=0.525 clusters=3 claim_tier=notable | framework convergence=single on METI's May 23, 2023 Ministerial Ordinance amendment (effective July 23, 2023) (upstreams: METI (Japan's Ministry of Economy, Trade and Industry) official ordinance) — publishers independent, evidence may not be | kind=empirical eligibility=high]
Sources
- The US-China chip war is still escalating (seed:technology_and_ai)
- https://www.csis.org/analysis/csis-translation-updated-japanese-export-controls-high-performance-semiconductor (corroboration)
- https://sanctionsnews.bakermckenzie.com/japanese-government-imposes-additional-controls-on-semiconductor-related-items/ (corroboration)
- https://globaltradealert.org/state-act/73560-japan-meti-announces-restrictions-on-chip-equipment-exports (corroboration)