Pale Blue, founded in 2020 by reseachers in The University of Tokyo, offers water-based propulsion systems for small satellites. The company specializes in water-based thrusters and aims to deliver systems that are affordable and safe for the manufacturer, operator, and the environment.

Pale Blue collaborates closely with the JAXA and the University of Tokyo to develop propulsion technologies. The company aims to serve a wide range of applications and missions, including one-off technology demonstrators, interplanetary missions, or constellations.