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Kyoto Fusioneering

Building the critical infrastructure for commercial fusion

Photo of Kiyoshi Seko

Kiyoshi Seko

President & COO at Kyoto Fusioneering

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Employees 101–200
Headquarters Japan
Kyoto Fusioneering (KF) develops the essential technologies and integrated systems needed to turn fusion energy into a commercial reality. The company focuses on the balance-of-plant infrastructure required to convert fusion reactions into usable power and sustain the fuel cycle. With over $75M in lifetime sales and operations across Japan, the US, UK, Germany, and Canada, it serves as a technology partner to fusion developers worldwide.

Notable Achievements

  • Raised over $105M from top-tier investors to date.
  • Operations in five countries: Japan, the US, the UK, Germany, and Canada.
  • Partnership with the US Department of Energy on fusion infrastructure.

Currently Operating in Five Regions

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