The Japan hydrogen generation market reached USD 10.6 billion in 2024 and is projected to grow to USD 14.0 billion by 2033, with a CAGR of 4.1% from 2025 to 2033, according to IMARC Group. This growth is driven by the increasing use of hydrogen in industrial processes such as petrochemical production, ammonia synthesis, and metal refining to minimize carbon footprints. https://www.imarcgroup.com/japan-hydrogen-generation-market