Ministry of the Economy, Trade, and Industry
1 Jul 2025 Application of ISO 19887-1:2024 to Supply Lines for Additional TPRDs (KHK and METI) TFH2-01-04 2025-07-01 KHK METI
2 Jul 2025 Issues for hydrogen storage safety compared against UN R110 (KHK and METI) TFH2-01-09 2025-07-02 KHK METI
22 Sep 2025 Liquefied hydrogen storage: Comments on the draft UN Regulation text (KHK and METI) TFH2-03-05 2025-09-22 KHK METI
17 Oct 2025 Liquefied hydrogen storage: Comments on the proposal for a new UN Regulation (KHK and METI) TFH2-04-02 2025-10-17 KHK METI
10 Nov 2025 Hydrogen storage: Comments on the draft provisions (KHK and METI) TFH2-05-05 2025-11-10 KHK METI
24 Feb Hydrogen storage: Comments on supply lines for additional TPRD (KHK and METI) TFH2-09-02 2026-02-24 KHK METI
18 Mar Hydrogen fuel safety: Further Consideration of Informal Industry Subgroup (IISG) Alternative Proposal (KHK and METI) TFH2-10-03 2026-03-18 KHK METI