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Kyoto Fusion Engineering secures a Series D round backed by Minerva Growth Partners, marking Minerva's first investment in deep tech. The funds will enhance R&D and support global hiring.

PRIVATEAug 24, 2026

Round Type

Series D

Kyoto PrefectureManufacturingBiotechnologyEnergy

Investors

Minerva Growth Partners

Description

Kyoto Fusion Engineering has raised a Series D round backed by Minerva Growth Partners, the firm's first investment in the deep tech sector. The funds will support demonstration facilities, expand R&D and manufacturing for plasma heating systems, and fund global hiring. Interest in fusion is rising due to increasing electricity demand and energy security concerns. This investment highlights the pivot toward deep tech, anticipating fusion's growth as a significant market by the 2030s.

Quick answer

Kyoto Fusion Engineering raised an undisclosed amount in a Series D round, dated August 24, 2026. Investors: Minerva Growth Partners. Kyoto Fusion Engineering is based in Kyoto Prefecture, Japan.

How much did Kyoto Fusion Engineering raise?
Kyoto Fusion Engineering raised an undisclosed amount in a Series D round on August 24, 2026.
Who invested in Kyoto Fusion Engineering?
Minerva Growth Partners is named as investors in this round.
What does Kyoto Fusion Engineering do?
Kyoto Fusion Engineering is a Japanese company that specializes in core technologies for fusion energy, including plasma heating, fuel cycles, and blanket and thermal systems.
Where is Kyoto Fusion Engineering based and how big is it?
Kyoto Fusion Engineering is based in Kyoto Prefecture, Japan.

Source: Fundz verified event record.

Who else raised in Energy and Manufacturing around the same time

Companies in the same sectors as Kyoto Fusion Engineering that raised within 45 days of this round, from Fundz verified event records.

  • MCatalysis raised $5M (Seed) on September 9, 2026.
  • Arq raised $1.4M (Pre-Seed) on July 16, 2026.
  • Helical Fusion raised $21M (Series B) on October 8, 2026.
  • Creedence Energy Services raised an undisclosed amount on October 8, 2026.
  • Sapphire Technologies raised $8.9M on October 7, 2026.
  • Outer Spaces raised $8M (Pre-Seed) on October 6, 2026.

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Company Information

Company

Kyoto Fusion Engineering

Location

Kyoto Prefecture, Japan

About

Kyoto Fusion Engineering is a Japanese company that specializes in core technologies for fusion energy, including plasma heating, fuel cycles, and blanket and thermal systems. Spun out of fusion research at Kyoto University in 2019, the company provides essential equipment and support to fusion industry players worldwide. It operates testing facilities such as the UNITY-1 test plant in Kumiyama, Kyoto, and collaborates with institutions like Canada’s Nuclear Laboratories and the Oak Ridge National Laboratory. The company aims to facilitate the transition from research to industrialization of fusion energy.

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Kyoto Fusion Engineering raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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