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Helical Fusion

Helical Fusion is a Tokyo-based deep-tech company developing advanced nuclear fusion reactors using helical coil technology. Spun out from Japan’s National Institute for Fusion Science, it focuses on delivering safe, sustainable, and scalable clean energy solutions for global climate and energy challenges.

Overview Structured Data Issues Contributors

helicalfusion.com/en

Is a

Company attributes

Industry

Energy Innovation

Advanced Energy Systems

Renewable energy

Climate technology

Location

B2X

CEO

Founder

Junichi Miyazawa

Number of Employees (Ranges)

11 – 50

Email Address

contact@helicalfusion.com

Phone Number

+818073833923

Investors

Keio Innovation Initiative

Total Funding Amount (USD)

15,000,000

Latest Funding Round Date

August 15, 2025

CTO

Junichi Miyazawa

Latest Funding Type

Other attributes

Latest Funding Round Amount (USD)

15,000,000

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Funding Rounds

Products

Acquisitions

SBIR/STTR Awards

Patents

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