Frontier Innovations has made an additional investment in Space Quarters. The startup raised about JP¥910 million in a Pre-Series A round. Space Quarters develops welding and assembly technology for large structures in orbit.
Funding history
Frontier Innovations first invested in Space Quarters in 2025. The fund made its latest commitment after reviewing technical and business progress. Space Quarters also confirmed demand for in-orbit assembly and welding through customer discussions.
Company background
Space Quarters is a Tohoku University-launched startup based in Shibuya, Tokyo. It is led by President Shogo Onishi. The company targets large antennas and space station modules for assembly in space.
Technical progress
Since the first investment, the company has succeeded in a welding demonstration during a zero-gravity flight. It has also succeeded in ground tests of its robot system. These steps support the practical use of large structure assembly in space.
Frontier Innovations said it will continue to support Space Quarters with hands-on experience. The firm will assist the startup's business growth and the social implementation of its space technology. It will maintain this support as the technology moves toward practical use.