Riken Technos Corporation (TSE:4220) acquired more than 50% stake in IMI Co., Ltd. on October 1, 2018. After the transaction, IMI Co., Ltd. operates as a subsidiary of Riken Technos Corporation. Riken Technos Corporation (TSE:4220) completed the acquisition of more than 50% stake in IMI Co., Ltd. on October 1, 2018.