Launch Vehicles & Propulsion companies in Japan

Japanese launch startup developing the ASCA family of reusable rockets, from the ASCA 1 small launcher to future crewed spaceplanes.

Develops the ZERO orbital launch vehicle using green propellants to provide low-cost launch services for small satellites.

Hokkaido University spin-out in Sapporo — develops safe plastic-fuel hybrid thrusters for small satellites and larger hybrid rocket systems.

Japanese propulsion startup — develops and manufactures water-based electric and resistojet propulsion systems for small satellites.

Develops fully reusable suborbital spaceplanes using a patented switchable air-breathing/rocket engine — targeting space tourism and suborbital cargo transport services.

Japanese space services company — provides launch brokerage, ISS deployment and experiment services and in-orbit demonstration support.

Japanese startup developing a winged reusable suborbital spaceplane and selling composite high-pressure tanks made at its Nagasaki plant.

Develops solid rocket motors, launch vehicle upper stages and spacecraft structural components for JAXA and commercial customers.

Space activities of Japan's Kawasaki Heavy Industries — designs and builds payload fairings for H-IIA, H3 and Epsilon S launch vehicles and space station hardware.

Develops and produces H-IIA/H3 launch vehicles and related space systems for Japan.

Japanese aerospace and defence trading company owned by Mitsui & Co. — brokers rideshare launches and procures satellites and space systems for Japanese customers.

Develops the solid-fueled Kairos small satellite launch vehicle — operates from Spaceport Kii, Japan's first private commercial spaceport, targeting dedicated small satellite la…

Japan's national aerospace and space exploration agency.

Japanese commercial spaceport in Taiki, Hokkaido — built by Taiki town and operated by SPACE COTAN for orbital and suborbital launches.