Keisuke Shimaoka

Polaris Capital Group Co., Ltd. (Polaris Capital Group) is a private equity firm founded in 2004 by Yuji Kimura. The firm is headquartered in Tokyo, Japan.

Hitowa Holdings Corp. engages in the nursing care, child care support, franchise, human resources and food services. The company was founded in February 1997 and is headquartered in Tokyo, Japan.

Sogo Medical Co., Ltd. engages in medical support services for hospitals and other medical institutions. It operates through the following segments: Medical Practice Support, Pharmacy and Others, The Medical Practice Support segment offers consultation, rental, leasing and installment services. The Pharmacy segment handles insurance dispensing pharmacy mainly based on dispensing based on prescription outside the hospital. The Others segment handles housing-type nursing homes and its management. The company was founded by Hirosada Oyamada on June 12, 1978 and is headquartered in Fukuoka, Japan.

Space Value Holdings Co., Ltd. engages in the business management of its group companies that deals with system and general construction, and multi-storey parking businesses. The company was founded on October 1, 2018 and is headquartered in Tokyo, Japan.