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Kyoto Fusioneering secures a Series D investment led by IMM Investment Japan through the Korea-Japan Fusion Fund. The funds will be utilized to develop demonstration infrastructure and enhance research capabilities.

PRIVATESep 01, 2026

Round Type

Series D

KyotoManufacturingInformation TechnologyEnergyRenewable Energy

Investors

IMM Investment JapanPosco HoldingsPosco InternationalDoosanHyundai MotorGs Engineering & ConstructionOctagon Venture Partners

Description

IMM Investment Japan announced its role as the lead investor in the Series D funding round for Kyoto Fusioneering, a nuclear fusion company. The Korea-Japan Fusion Fund aims to integrate capital from Korean industrial firms with innovative tech companies in Japan. The investment will support the construction of demonstration infrastructures and improve R&D capabilities. Kyoto Fusioneering is pivotal in developing essential technologies for commercial nuclear fusion power.

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Company Information

Company

Kyoto Fusioneering

Location

Kyoto, Kyoto Prefecture, Japan

About

The company can also accelerate its global expansion to recruit talented engineers and business professionals globally, including at its subsidiary in the UK, whilst at the same time furthering its reach by leveraging existing industrial capabilities unique to Japan. While many startups talk about how they want to change the world, this company is actually doing it. KF is a unique fusion start-up and we expect the company to play an important role in making fusion power a reality. Supporting both public and private fusion developers around the world, the company will accelerate the realization of fusion as the ultimate energy source for humankind. Kyoto Fusioneering is a privately held technology start-up founded in 2019, with its headquarters in Kyoto, Japan.

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Kyoto Fusioneering 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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