Interstellar Technologies
Uses additive manufacturing to produce critical rocket engine components and structures for its ZERO small satellite launch vehicle, enabling rapid prototyping and performance optimization.
- CEO / Founder
- Takahiro Inagawa
- Team Size
- 201-500
- Stage
- Growth Stage
- Total Funding
- $129.7M
- Latest Round
- Series F
- Key Investors
- Woven by Toyota; NTT; SMBC
Technology & Products
Key Products
ZERO small satellite launch vehicle; MOMO sounding rocket; Our Stars satellite platform; Launch services; Satellite manufacturing and operations
Technological Advantage
Leverages metal additive manufacturing (PBF-LB and DED) for rapid iteration and production of lightweight, high-performance rocket components, such as engines and heat exchangers. This internal capability reduces supply chain dependencies and accelerates development cycles, though the specific process advantages are not publicly quantified in patents.
Differentiation
Value Proposition
Provides affordable, on-demand access to space via vertically integrated launch services, leveraging AM to reduce lead times and manufacturing costs for complex rocket parts.
How They Differentiate
Focuses on the Japanese domestic launch market with vertical integration and strategic partnerships (e.g., Toyota), unlike US-centric competitors. Uses AM for agile development but is not an AM hardware or service provider for external customers.
Market & Competition
Target Customers
Commercial satellite operators, research institutions, and government agencies requiring dedicated small satellite launch services.
Industry Verticals
Aerospace; Defense; Satellite Communications; Research
Competitors
Rocket Lab; Astra; Relativity Space
Growth & Milestones
Growth Metrics
Team size of 347 members (including employees, contractors, and interns) as of 2026.
Major Milestones
First private Japanese company to reach space with MOMO rocket; Secured customers for first ZERO launch; Passed JAXA Stage Gate Review for satellite business; Completed Series F funding totaling ¥20.1B