SEIREN Co., Ltd. (Space Division)

SEIREN Co., Ltd. is a Japanese diversified manufacturing company headquartered in Fukui, Japan, traditionally known for textiles and electronics, that has expanded into the space sector through CubeSat development and SAR satellite antenna manufacturing. The company collaborates with Fukui Prefectural Government and the University of Tokyo to develop CubeSat bus systems, including a satellite launched from Baikonur Cosmodrome on March 22, 2021, as part of the Fukui Citizens' Satellite Project under the Fukui Satellite Technology & Research Association (co-founded in 2016). SEIREN also partners with Synspective Inc. on mass production processes for small SAR satellite antennas, applying its precision manufacturing capabilities in composite materials and electronic components to the growing small satellite manufacturing market.