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Laser-powered commercial nuclear fusion reactor development.
EX-Fusion has raised $16.1M across 3 funding rounds.
EX-Fusion has raised $16.1M in total across 3 funding rounds.
EX-Fusion has raised $16.1M in total across 3 funding rounds.
EX-Fusion's investors include JX Nippon Mining & Metals, PERSOL VENTURE PARTNERS, ANRI, Delight Ventures, Germination Fund, Mitsubishi UFJ Capital, Mitsui Sumitomo Insurance Venture Capital, Nikon-SBI Innovation Fund, Nissay Capital, Osaka Shoko Shinkin Bank, Shizuoka Capital, SMBC Venture Capital.
EX-Fusion has raised $16.1M across 3 funding rounds. Most recently, it raised $2.6M Series A Extension in October 2025.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Oct 14, 2025 | $2.6M Series A Extension | JX Nippon Mining & Metals, PERSOL VENTURE PARTNERS | |
| Jul 6, 2023 | $12.5M Seed | ANRI, Delight Ventures, Germination Fund, Mitsubishi UFJ Capital, Mitsui Sumitomo Insurance Venture Capital, Nikon-SBI Innovation Fund, Nissay Capital, Osaka Shoko Shinkin Bank, Shizuoka Capital, SMBC Venture Capital | |
| Apr 18, 2022 | $1.0M Pre-Seed | Masahiro Sameshima | Osaka University Venture Capital |