Best Aerospace, Maritime and Defense Tech Companies in Tokyo, Japan
The 49 best Aerospace, Maritime and Defense Tech companies in Tokyo, Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Astroscale.
Our analysis of 50 Aerospace, Maritime and Defense Tech companies
$31.9b in tracked funding; 90% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2021.
Ranked: Best Aerospace, Maritime and Defense Tech companies in Tokyo
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Astroscale Developer of satellite solutions for space debris removal | $384M | 34 mo ago | 450 | Nobu Okada Founder and CEO | WordPressMySQLPHP+30 | Top 1M | 16 patents Active capture and removal of tumbling space debris in low Earth orbit | — |
| 2 | Synspective Provider of cloud and AI-based satellite imaging data | $244M | 25 mo ago | 136 | Seiko Shirasaka Founder | WordPress Block EditorWordPressApple iCloud Mail+21 | Top 5M | 12 patents AI-driven geotechnical and marine terrain analysis for elevation, sinkage, and wake monitoring. | 2 launchs · 1 partnership |
| 3 | ispace Developer of micro-robots that locate the resources necessary to extend human life into outer space | $196M | 57 mo ago | 121 | Takeshi Hakamada Founder & CEO | WordPressApple iCloud MailMicrosoft 365+20 | Top 1M | 15 patents Lunar exploration hardware and transport systems, including probes, landers, hydrogen supply, and imaging | — |
| 4 | SkyDrive Developer of electric vertical takeoff and landing aircraft for urban mobility | $117M | 13 mo ago | — | Tomohiro Fukuzawa Founder & CEO | WordPressMySQLPHP+27 | Top 5M | 5 patents Foldable multi‑rotor UAVs with rotor‑folding mechanisms and onboard health monitoring | — |
| 5 | Axelspace Developer of microsatellites and earth observation platform providing related services | $107M | 31 mo ago | 130 | — | SalesforceThree.jsGSAP+9 | Top 5M | 21 patents Satellite imaging data processing and antenna array control for object counting | 1 launch · 1 partnership · 3 expansions |
| 6 | Terra Drone Corp Provider of services for aerial imaging survey | $98M | 42 mo ago | 28 28 → 40 (+43%) | — | WordPressMySQLPHP+17 | Top 500k | 5 patents Patents concentrated in computing, sensing & instrumentation | — |
| 7 | GITAI Developer of robotic solutions for space station support and exploration | $60M | 20 mo ago | 38 | Sho Nakanose Co-Founder & CEO | WordPress Block EditorWordPressMySQL+26 | Top 5M | — | 1 job opening · 1 launch |
| 8 | Orbital Lasers Developer of satellite-mounted lasers for space debris mitigation and LiDAR | $25M | 4 mo ago | — | Tadanori Fukushima CEO | WordPressMySQLPHP+13 | Top 5M | — | 1 partnership |
| 9 | NileWorks Develops a drone for agricultural pesticide spraying purposes | $22M | 88 mo ago | 32 | Hiroshi Yanagishita CEO | PHPMathJaxYouTube+22 | Top 10M | 161 patents Precision agriculture data analytics and autonomous drone/industrial machinery control systems | — |
| 10 | Infostellar Provider of ground based communication services with satellites | $21M | 54 mo ago | 26 | Naomi Kurahara Co-Founder & CEO | STUDIOFirebaseNode.js+13 | Top 50M | 10 patents Satellite ground station automation and network management for space communications | 1 partnership |
| 11 | Aerial Lab Industries Developer of mobility solutions including robotics, AI, and drone technologies | $21M | 80 mo ago | 11 | Shohei Komatsu CEO & CTO | — | — | — | — |
| 12 | CLUE Provider of drone data management solutions | $19M | 67 mo ago | 50 | Ryosuke Abe Founder & CEO | — | — | 9 patents Autonomous drone control systems integrating sensor data and AI-driven information processing. | — |
| 13 | SkymatiX Provides drone-based services for enterprises | $11M | 53 mo ago | 20 | Zentaro Watanabe CEO & President | WordPressMySQLPHP+21 | Top 5M | 8 patents Geospatial data processing platforms and AI-driven medical diagnostic assistance systems. | — |
| 14 | Sensyn Robotics Provider of drone hub, related control software, and inspection solutions | $11M | 73 mo ago | 121 | Takuya Kitamura CEO | HubSpot CMS HubApple iCloud MailGoogle Workspace+15 | Top 10M | 35 patents Autonomous underwater robot control and sensor data processing for navigation and analysis | — |
| 15 | Space Shift Developer of data analysis technology for SAR satellites | $9M | 8 mo ago | 9 | Naruo Kanemoto Founder & CEO | WordPressMySQLPHP+12 | Top 5M | 12 patents AI-driven signal processing for UAV synthetic‑aperture radar imaging and autonomous flight control | 2 launchs |
| 16 | Skyagte Technologies Developer of ground stations as a service | $7M | 13 mo ago | 7 | Takanori Awatsu CEO | STUDIOApple iCloud MailGoogle Workspace+20 | Top 10M | — | — |
| 17 | Space Quarters Provider of space architecture and infrastructure solutions | $6M | 9 mo ago | — | Shogo Onishi Co-Founder & CEO | STUDIOFirebaseNode.js+11 | Top 50M | — | 1 launch |
| 18 | SPACE WALKER Developer of reusable winged rocket for suborbital space transport systems | $5M | 35 mo ago | 11 | Akihide Manabe Co-Founder & CEO | WordPressMySQLPHP+7 | Top 5M | 13 patents Design and manufacturing of high‑pressure and liquefied gas containers for aerospace use | — |
| 19 | Tetra Aviation Developer of e-VTOL aircraft | $5M | 49 mo ago | 14 | Kei Nakai CEO | Cart FunctionalityStrikinglyNginx+16 | Top 50M | 6 patents Design and integration of aircraft rotor blade modules and airframe structures | — |
| 20 | Aeronext Provider of next-generation drones based on intellectual property | $4M | 10 mo ago | — | Keisuke Toji CEO | WordPressMySQLPHP+19 | Top 50M | 256 patents Advanced UAV/drone design, control mechanisms, and integrated data processing solutions. | — |
| 21 | ZABoooN Provider of software solutions for shipping management | $4M | 24 mo ago | — | Katsuya Todaka CEO | STUDIOFirebaseNode.js+9 | Top 50M | 2 patents Financial transaction processing systems and related data handling methods | — |
| 22 | NABLA Mobility Provider of AI-enabled electronic flight bag solutions for the aviation industry | $3M | 15 mo ago | 9 | Shinji Tanaka Co-Founder & CEO | — | — | 9 patents Embedded software for autonomous vehicle control and mobility data processing | 1 partnership |
| 23 | Spiral Developer of autonomous flight control systems | $2M | 23 mo ago | 10 | Tomohiro Ishikawa Founder & CEO | WordPressMySQLPHP+18 | Top 50M | 13 patents Advanced UAV control/navigation systems and AI-driven sentence generation technology. | — |
| 24 | Marindows Provider of AI-powered operating systems for marine applications | $2M | 51 mo ago | — | Yasumasa Suetsugu CEO | — | — | — | — |
| 25 | Trajectory Provider of drone and AI based control system | $1M | 88 mo ago | 14 | Kenji Koseki CEO | — | — | 6 patents UAV route planning, autonomous navigation, and control system technologies | — |
| 26 | AirKamuy VTOL aircraft developers | $702K | 15 mo ago | — | Takumi Yamaguchi Co-Founder & CEO | WordPress Block EditorWordPressApple iCloud Mail+20 | Top 5M | — | — |
Top 12 Aerospace, Maritime and Defense Tech companies in Tokyo
#1
Series A · Tokyo, Tokyo · founded 2024$24.9Mraised▾
Developer of satellite-mounted lasers for space debris mitigation and LiDAR. The company designs and develops compact laser payloads for satellites, integrates laser systems with satellite platforms, and provides orbital services to remotely adjust debris motion and perform LiDAR-based remote sensing for environmental and asset monitoring.
- Mar 2026Series A$19M
- Dec 2024Seed$5.9M
#2
Series C · Shinjuku City, Tokyo · founded 2018$117.5Mraised▾
Developer of electric vertical takeoff and landing aircraft for urban mobility. The company focuses on creating quiet, lightweight, and low-emission aircraft suitable for use in urban environments. Its aircraft require no runway and allow vertical takeoff and landing in small spaces. The company is working toward receiving type certification for its aircraft.
- Jul 2025Series C$57.4M
- Aug 2024Series C—
- Jan 2024Series C—
- Oct 2023Grant (prize money)—
#3
Series B · Chiyoda City, Tokyo · founded 2009 · 9 employees$9.4Mraised▾
Developer of data analysis technology for SAR satellites. It uses data from SAR satellites that emit radio waves themselves and observe the earth's surface based on the information reflected from those radio waves.
- Dec 2025Series B$4.7M
- Feb 2021Series A$4.8M
#4
Series B · Tokyo, Tokyo · founded 2016 · 38 employees$60.4Mraised▾
Developer of robotic solutions for space station support and exploration. The company provides robotic arms for internal and external space station services. It also develops lunar rovers for lunar resource exploration and infrastructure development. The company aims to offer safer and more affordable labor in space.
- Nov 2024Series B$15.5M
- Aug 2023Conventional Debt$7M
- Aug 2023Series B$8M
- Aug 2023Series B—
#5
Seed · Shibuya, Tokyo · founded 2022$6Mraised▾
Provider of space architecture and infrastructure solutions. It provides users with a company focuses on high tech development in areas such as welding technology,robotics and space infrastructure.
- Oct 2025Seed$4.9M
- Jun 2024Angel$1M
#6
Series A · Shibuya, Tokyo · founded 2017$4Mraised▾
Provider of next-generation drones based on intellectual property. It focuses on next-generation drones with solutions based on intellectual property and proprietary structural design technology.
- Sep 2025Series A—
- Nov 2024Series A$4M
- Nov 2024Venture Debt—
#7
Public · Koto City, Tokyo · founded 2018 · 136 employees$243.7Mraised▾
Provider of cloud and AI-based satellite imaging data. It integrates data from the synthetic aperture radar satellite constellations and big data sources. It has applications in land displacement monitoring, flood damage analysis, solar potential area mapping, and facilities monitoring.
- Jun 2024Series C$44M
- Mar 2022Conventional Debt—
- Mar 2022Series B$100M
- Jul 2019Series A$79.7M
#8
Series A · Tokyo, Tokyo · founded 2020 · 7 employees$6.9Mraised▾
Developer of ground stations as a service. It autonomously schedules communication paths and includes a unified antenna specification and a software radio.
- Jun 2025Series A$6.9M
- Apr 2024Seed—
- Aug 2020Seed—
#9
Public · Sumida City, Tokyo · founded 2013 · 450 employees$383.7Mraised▾
Developer of satellite solutions for space debris removal. It provides users with an end-to-end rendezvous solution, which consists of two spacecraft to be launched stacked together. It leverages proximity rendezvous technologies and a magnetic capture mechanism, while another has a docking plate for capturing the debris. It also developed a micro-lite satellite for the in-situ debris environment awareness missions.
- Oct 2023Conventional Debt$6.7M
- Feb 2023Series G$76M
- Sep 2022Grant (prize money)$4.3M
- Nov 2021Series F$109M
#10
Series A · Chiyoda City, Tokyo · founded 2021 · 9 employees$2.8Mraised▾
Provider of AI-enabled electronic flight bag solutions for the aviation industry. The company offers solutions for managing aviation processes, fuel efficiency, decarbonization, in-flight decisions, and more.
- May 2025Series A$2.8M
#11
Public · Chuo City, Tokyo · founded 2008 · 130 employees$107.2Mraised▾
Developer of microsatellites and earth observation platform providing related services. The company has developed and operated microsatellites since its establishment. It offers a one-stop microsatellite service. The company also provides an earth observation platform service that delivers insights across diverse industries. The company is dedicated to reducing the environmental impact linked with satellite mass production.
- Dec 2023Series D$43.8M
- Apr 2023Series C—
- May 2021Series C$23.8M
- Dec 2018Series B$22.9M
#12
Public · Shibuya, Tokyo · founded 2017 · 28 employees$98.2Mraised▾
Provider of services for aerial imaging survey. Its detailed product portfolio includes a software and hardware environment created using 4G LTE communication technology, an inertial measurement unit to calculate the orientation of the sensor, and photographic data processing software. It caters to need for thermal and visual inspection in multiple projects including offshore applications, FPSO applications, and thermal building inspections.
- Jan 2023Series B$14M
- Mar 2022Series B$70M
- Feb 2021Series A$14.2M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Aerospace, Maritime and Defense Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Launch Vehicles in Tokyo is moving
A read on the academic research around Launch Vehicles in Tokyo — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 61 papers.
- The University of Tokyo26
- Tokyo Metropolitan University24
- Tokyo University of Science7
- Tokyo City University3
- Tokyo Denki University2
- Rocket (weapon)4
- Propellant3
- Bandwidth throttling1
- Aerospace engineering1
- Propulsion1
- Rocket (weapon)18
- Rocket engine14
- Aerospace engineering14
- Liquid-propellant rocket6
- Combustion6
- Rocket (weapon)3
- Rocket engine3
- Mechanics2
- Vibration2
- Aerospace engineering2
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.