About the data

Sumitomo Mitsui Trust Bank, Limited

Conducts banking and trust businesses through domestic and international locations. Officially announced investment in Commonwealth Fusion Systems in September 2025.

Official company website ↗
Published Updated Translation reviewed
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Company profile

Official name
Sumitomo Mitsui Trust Bank, Limited
English name
Sumitomo Mitsui Trust Bank, Limited
Location
Tokyo
Established
1925
Industry
Banking・Trust banking
Technology field
Not confirmed
Type of involvement
Association membership・Equity investment

Role in the fusion industry

Officially announced investment in Commonwealth Fusion Systems in September 2025.

Key products and technologies

Not confirmed

Disclosed involvement and track record

Association membership

Listed under the name Sumitomo Mitsui Trust Bank, Limited as a supporting member in the J-Fusion membership directory as of September 17, 2026.

Association membership does not establish a record of supplying or delivering equipment to a specific device.

J-Fusion membership directory ↗
Equity investment

Officially announced investment in Commonwealth Fusion Systems in September 2025.

Verified investment in a fusion company ↗

Related projects

A relationship with a specific project has not been verified.

Sources for company information

Last verified: 2026/10/12 20:18:37 (Japan time)

Business overview

Conducts banking and trust businesses through domestic and international locations. Officially announced investment in Commonwealth Fusion Systems in September 2025.

Relationship with the fusion industry

Officially announced investment in Commonwealth Fusion Systems in September 2025.

Verified involvement

Listed under the name Sumitomo Mitsui Trust Bank, Limited as a supporting member in the J-Fusion membership directory as of September 17, 2026.

Officially announced investment in Commonwealth Fusion Systems in September 2025.

How to interpret this information

Membership, research and development, orders, deliveries, investment and lending are different forms of involvement. Future power-generation or commercialization targets are not achieved results. Items not listed have not been verified.

Sources

Companies DATA

Country
Japan

Check the official information

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