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Starlight Engine

Starlight Engine Ltd.

Fusion Machine Developer
Funding (Investment): 2Funding (Nondilutive): 1News: 5
Starlight Engine logo

Funding

$37.4M

Founding Year

2025

Location

Japan flag Tokyo, Tokyo Prefecture, Japan

Company Founders

Kiyoshi Seko

Satoshi Konishi

Leadership

Kiyotaka KIKUCHI, President and Chief Executive Officer (CEO)

Kenzo IBANO, Senior Vice President and Chief Technology Officer (CTO)

Shuhei AZUMA, Executive Vice President and Chief Strategy Officer (CSO)

Yuto YOSHIOKA, Senior Vice President and Chief Operating Officer (COO)

Website

sle.energy/en

Starlight Engine is a Japanese fusion energy startup established in April 2025 as a group company of Kyoto Fusioneering. It leads the FAST (Fusion by Advanced Superconducting Tokamak) project, a privately led industry-academia initiative aiming to demonstrate fusion power generation in the 2030s with a compact, low-aspect-ratio superconducting tokamak.

News

Starlight Engine Signs Agreement to Receive Investment from TAKANAWA GATEWAY Global Co-Benefits Fund L.P. Established by JR East and Global Brain

Oct 20, 2026 • Starlight Engine

Starlight Engine Launches New Management Structure as the FAST Project Advances

Sep 29, 2026 • Starlight Engine

Former Prime Minister Fumio Kishida, House of Representatives member Yoko Kamikawa and others visit Kyoto Fusioneering’s Kyoto Research Center

Sep 17, 2026 • Kyoto Fusioneering

Selected as a Conditional Awardee for the Ministry of Economy, Trade and Industry’s FY2025 Supplementary Budget Fusion Energy Power Generation Demonstration Promotion Project Subsidy

Sep 13, 2026 • Kyoto Fusioneering

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

Jul 15, 2026 • Starlight Engine

Funding Received (Investment)

October 21, 2026

round
FundersTAKANAWA GATEWAY Global Co-Benefits Fund
AnnouncementStarlight Engine receives undisclosed investment from TAKANAWA GATEWAY Global Co-Benefits Fund

July 15, 2026

roundFirst external funding round

$37,400,000

FundersMitsui FudosanAirbus Ventures

+ 14 More

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

Funding Received (Nondilutive)

August 31, 2026

programMETI Fusion Demonstration Subsidy
FundersJapan Ministry of Economy, Trade, and Industry (METI)
AnnouncementMETI Fusion Demonstration Subsidy: On August 31, 2026, Starlight Engine Inc. (consortium with Kyoto Fusioneering, FAST project) was conditionally selected by METI for a government grant for HTS tokamak power generation demonstration; amount not disclosed. The announcement date is 2026-08-31. This record is ONLY about Starlight Engine. Use exactly the short round name METI Fusion Demonstration Subsidy and classify as a grant.
Starlight Engine logo

Funding

$37.4M

Founding Year

2025

Location

Japan flag Tokyo, Tokyo Prefecture, Japan

Company Founders

Kiyoshi Seko

Satoshi Konishi

Leadership

Kiyotaka KIKUCHI, President and Chief Executive Officer (CEO)

Kenzo IBANO, Senior Vice President and Chief Technology Officer (CTO)

Shuhei AZUMA, Executive Vice President and Chief Strategy Officer (CSO)

Yuto YOSHIOKA, Senior Vice President and Chief Operating Officer (COO)

Website

sle.energy/en

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