Mitsui O.S.K. Lines, Ltd.
Operates a large fleet and businesses centered on international shipping. In September 2025 it announced investment in Commonwealth Fusion Systems through its wholly owned subsidiary MOL Switch.
Official company website ↗Read the Japanese originalCompany profile
- Official name
- Mitsui O.S.K. Lines, Ltd.
- English name
- Mitsui O.S.K. Lines, Ltd.
- Location
- Tokyo
- Year established
- Not confirmed
- Industry
- Shipping・Logistics
- Technology field
- Investment
- Type of involvement
- Association membership・Equity investment
Role in the fusion industry
Announced investment in Commonwealth Fusion Systems through its wholly owned subsidiary MOL Switch in September 2025.
Key products and technologies
Not confirmed
Disclosed involvement and track record
Listed under the name Mitsui O.S.K. Lines, Ltd. 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 ↗Announced investment in Commonwealth Fusion Systems through its wholly owned subsidiary MOL Switch in September 2025.
Joint investment in US-based CFS ↗Related projects
A relationship with a specific project has not been verified.
- J-Fusion membership directory(Verified 2026-10-12）
- Mitsui O.S.K. Lines, Ltd. Official company information(Verified 2026-10-12）
- Joint investment in US-based CFS(Verified 2026-10-12）
- Official website(Verified 2026-10-12）
Last verified: 2026/10/12 20:18:37 (Japan time)
Business overview
Operates a large fleet and businesses centered on international shipping. In September 2025 it announced investment in Commonwealth Fusion Systems through its wholly owned subsidiary MOL Switch.
Relationship with the fusion industry
Announced investment in Commonwealth Fusion Systems through its wholly owned subsidiary MOL Switch in September 2025.
Verified involvement
Listed under the name Mitsui O.S.K. Lines, Ltd. as a supporting member in the J-Fusion membership directory as of September 17, 2026.
Announced investment in Commonwealth Fusion Systems through its wholly owned subsidiary MOL Switch 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