Kyoto Fusioneering
Developing fusion technology to drive a new energy industry
Tokyo, Japan · Founded 2019 · $176.7M raised
- Headquarters
- Tokyo
- Employees
- 201–500
- Founded
- 2019
- Business Model
- B2B
- Website
- kyotofusioneering.com
- Total Funding
- $176.7M
- Last Round
- $62.0M Extension RoundSep 2025
- Rounds
- 5
About
Kyoto Fusioneering (KF) is the world's premier fusion technology and integrated systems provider, founded in 2019 and rooted in decades of fusion R&D from Kyoto University. The company develops critical-path engineering solutions — including tritium breeding blankets, plasma-facing components, and heat extraction systems — for commercial fusion power plants worldwide. As the largest fusion company to emerge from Japan, KF partners with leading fusion developers and national laboratories to accelerate the timeline to commercial fusion energy.
Summary
Kyoto Fusioneering is a Climate Tech company based in Tokyo, Japan, founded in 2019. It has raised $176.7M in total across 5 rounds, most recently a $62.0M Extension Round round in Sep 2025. Investors include JIC Venture Growth Investments, JERA and Sumitomo Mitsui Trust Bank.
Tech & App Stack
6 technologies & apps tracked
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Funding History
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Sep 2025
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Investors
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