Neutron monitoring instruments, developed by Meisei, are employed in the American experiment and habitation module installed in the International Space Station (ISS). Meisei is the first Japanese manufacturer of space observation units to be used by the ISS. Meisei is currently developing, designing and manufacturing scientific observation instruments and other units that are to be equipped in ‘Kibo’, the Japanese experiment module installed in the ISS. Meisei has more than 2,700 of its electronic instruments installed in space rockets. Meisei is contributing to the exploration of the limitless universe.