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Maritime Fusion is building fusion reactors for ships and off grid energy markets. En route on this endeavor we’re commercializing High Temperature Superconducting (HTS) cable technology for power distribution while advancing the physics basis of our HTS tokamak to decarbonize global shipping
- Location
- San Francisco, United States
- Founded
- 2024
- Category
- SaaS
- Funding
- VC-backed
Sources, checked Sep 26, 2026. A fact that is missing is one we could not source, not a zero.
- Summary: the company’s own description, ycombinator.com
- Founders, founding year, location: ycombinator.com
- Backers: ycombinator.com
- Funding: ycombinator.com — “Y Combinator Winter 2025”
Category is our own classification. Spotted something wrong? Tell us.
Founders of Maritime Fusion
- Justin Cohen
- Jason Kaufmann
Investors backing Maritime Fusion
- Y Combinator
Frequently asked questions
What does Maritime Fusion do?
Maritime Fusion is building fusion reactors for ships and off grid energy markets. En route on this endeavor we’re commercializing High Temperature Superconducting (HTS) cable technology for power distribution while advancing the physics basis of our HTS tokamak to decarbonize global shipping
Where is Maritime Fusion based?
Maritime Fusion is based in San Francisco, United States.
When was Maritime Fusion founded?
Maritime Fusion was founded in 2024.
How much has Maritime Fusion raised?
Maritime Fusion is vc-backed. We have not verified a funding amount.
Who founded Maritime Fusion?
Maritime Fusion was founded by Justin Cohen, Jason Kaufmann.
Who has invested in Maritime Fusion?
Maritime Fusion is backed by Y Combinator.