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.
Sources
- The US-China chip war is still escalating (technologyreview.com)
- https://www.csis.org/analysis/csis-translation-updated-japanese-export-controls-high-performance-semiconductor (csis.org)
- https://sanctionsnews.bakermckenzie.com/japanese-government-imposes-additional-controls-on-semiconductor-related-items/ (sanctionsnews.bakermckenzie.com)
- https://globaltradealert.org/state-act/73560-japan-meti-announces-restrictions-on-chip-equipment-exports (globaltradealert.org)