EX-Fusion Inc.

EX-Fusion Inc. is a Japan-based company focused on developing the world’s first commercial laser-powered nuclear fusion reactor for clean energy.

Founded in 2021 as a spinout from Osaka University, the company is headquartered in Suita, Osaka, with additional offices in Hamamatsu, Adelaide, and San Francisco. Led by Founder & CEO Kazuki Matsuo, EX-Fusion employs around 42 people. The company's mission is to create a gigawatt-scale power plant using fast ignition laser fusion, which utilizes deuterium and tritium extracted from seawater. This method requires significantly less laser energy than traditional approaches, making it a promising solution for stable, carbon-free electricity generation. EX-Fusion has achieved key milestones, including demonstrating continuous 10 Hz target engagement in 2024. The company also offers advanced laser and optical control technologies, high-repetition laser systems, and consulting services for industrial laser processing applications, targeting sectors such as manufacturing, semiconductors, and aerospace.