Satellites & Spacecraft companies in Japan
Space Atlas lists 21 organisations in Japan working in satellites & spacecraft: 11 private companies, 5 startups, 3 academic institutions, 1 research institution, 1 government agency. That is 42% of the 50 space organisations in Japan and 4% of the 597 in this sector worldwide. Most are based in Tokyo (4), Minato (3), Chuo (2).
Private Company (11)
- Astroscale · Private Company · Sumida
Global leader in on-orbit servicing — pioneers active debris removal, life extension and end-of-life services for satellites.
- Axelspace · Private Company · Chuo
Develops and operates microsatellite constellations for Earth observation — offers end-to-end satellite manufacturing and data services.
- Canon Electronics Inc. (Space Technology) · Private Company · Chichibu
Space business of Japan's Canon Electronics — builds and operates CE-SAT Earth-observation microsatellites and sells satellite components such as reaction wheels.
- iQPS (Institute for Q-shu Pioneers of Space) · Private Company · Fukuoka
Develops compact SAR satellites enabling near-real-time Earth monitoring with a high-revisit small satellite constellation.
- ispace · Private Company · Chuo
Global lunar resource development company — designs and builds lunar landers and rovers for high-frequency Moon transport services.
- Japan Manned Space Systems Corporation (JAMSS) · Private Company · Tokyo
Japanese space operations company — supports Kibo ISS module operations, astronaut training, safety and product assurance, and small satellite development.
- Mitsubishi Electric (MELCO) Space · Private Company · Chiyoda
Major manufacturer of commercial and government telecommunications and Earth observation satellites for JAXA and global operators — builds advanced optical and radar payloads.
- Mitsui Bussan Aerospace Co., Ltd. · Private Company · Tokyo
Japanese aerospace and defence trading company owned by Mitsui & Co. — brokers rideshare launches and procures satellites and space systems for Japanese customers.
- NEC Corporation Space · Private Company · Minato
Leads development of Japan's advanced observation satellites, deep-space probes and remote sensing systems — prime contractor for Hayabusa and ALOS satellite series under JAXA.
- SKY Perfect JSAT · Private Company · Minato
Japan's largest satellite operator — provides broadcasting, broadband and data relay services via geostationary satellites.
- Synspective · Private Company · Koto
Builds and operates a constellation of SAR satellites providing high-resolution Earth observation data and analytics solutions.
Startup (5)
- Ales (ALE Co., Ltd.) · Startup · Minato
Creates artificial meteor showers from orbit using engineered atmospheric reentry particles — conducts space science research on upper atmosphere physics and satellite reentry b…
- ArkEdge Space · Startup · Bunkyo
Develops diverse nanosatellites and CubeSats for communications, IoT and deep-space missions — offers end-to-end mission services from satellite design to operations.
- ElevationSpace Inc. · Startup · Sendai
Japanese Tohoku University spin-off — develops reusable small re-entry satellites that return in-orbit experiment payloads to Earth.
- Space Cubics Inc. · Startup · Sapporo
Japanese JAXA-certified startup — develops radiation-tolerant on-board computers for small satellites and provides avionics and flight software design.
- Warpspace · Startup · Tsukuba
Building a near-real-time optical inter-satellite data relay network in medium Earth orbit — enables satellite operators to downlink data with ultra-low latency using laser comm…
Academic Institution (3)
- Intelligent Space Systems Laboratory (ISSL), The University of Tokyo · Academic Institution · Tokyo
University of Tokyo aerospace lab — pioneer of CubeSats and micro/nano-satellite development, producing many university satellite missions and spin-offs.
- Laboratory of Spacecraft Environment Interaction Engineering (LaSEINE), Kyushu Institute of Technology · Academic Institution · Kitakyushu
Japanese university space laboratory — tests spacecraft charging and environment effects and leads the BIRDS international CubeSat programme.
- Space Robotics Laboratory (SRL), Tohoku University · Academic Institution · Sendai
Tohoku University lab in Sendai — develops lunar and planetary rovers, space robots and university microsatellites such as RISING and DIWATA-1.
Government Agency (1)
- JAXA (Japan Aerospace Exploration Agency) · Government Agency · Chōfu
Japan's national aerospace and space exploration agency.
Research Institution (1)
- Japan Space Systems (J-spacesystems) · Research Institution · Tokyo
Japanese space systems foundation — conducts R&D, test and promotion work on satellites, Earth observation data and QZSS utilisation.