Tokyo, Japan · Founded 2019 · Privately Held (backing)
Developer of a fusion technology intended to offer technical assistance to accelerate the practical realization of fusion energy. Kyoto Fusioneering is based in Tokyo, Japan and was founded in 2019. Its last reported valuation was $508 million in Apr 2025. It has raised $191 million.
Last reported valuation
$508.1M
Oct 2026
Priced at
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Total raised
$191.3M
Last round
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Team — not yet on record
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·The complete investor list: 29 names
·Watch Kyoto Fusioneering: the Monday email on marks, rounds and moves
