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Mitsui Fudosan

Mitsui Fudosan Co., Ltd.

Projects: 1News: 1
Mitsui Fudosan logo

Founding Year

1941

Location

Japan flag Tokyo, Tokyo Prefecture, Japan

Website

www.mitsuifudosan.co.jp/english

News

Starlight Engine Raises Over JPY 6 Billion in Its First External Funding Round

Jul 15, 2026 • Starlight Engine

Projects

FAST

FAST image
Description

The FAST (Fusion by Advanced Superconducting Tokamak) project was officially announced on November 12, 2024. The project is a large collaboration comprised of several research institutions, private fusion companies, and industry partners. While FAST is set to be built in Japan, many international organizations are also involved in the project. The project is currently being spearheaded by the company Kyoto Fusion.

FAST will use a tokamak fusion device with high-temperature superconducting (HTS) magnetic coils. The project aims to create a successful tokamak device, develop a tritium fuel cycle, and develop the auxiliary systems necessary for a full-scale fusion power plant. The current goal of the project is to create a device that will generate electricity in Japan by the 2030s.

Funding Provided (Investment)

July 14, 2026

roundFirst external funding round
FundedStarlight Engine
AnnouncementFirst external funding round: Starlight Engine Raises Over JPY 6 Billion in Its First External Funding Round

August 27, 2025

roundSeries B2
FundedCommonwealth Fusion Systems (CFS)
AnnouncementSeries B2: Commonwealth Fusion Systems Raises $863 Million Series B2 Round to Accelerate the Commercialization of Fusion Energy
Mitsui Fudosan logo

Founding Year

1941

Location

Japan flag Tokyo, Tokyo Prefecture, Japan

Website

www.mitsuifudosan.co.jp/english

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