Kyoto Fusioneering is a Japanese fusion technology company specialising in plasma heating systems, tritium fuel cycle technology, and fusion blanket systems. In May 2026 the company formed a strategic partnership with US-based Realta Fusion for joint development of plasma heating and materials testing systems. Kyoto Fusioneering's technologies are applicable to both fusion and advanced fission reactor development, positioning it at the intersection of Japan's growing interest in both energy technologies.
Private Japanese investors, strategic partners