Hoshi Iryo-Sanki Co., Ltd. manufactures and sells pharmaceutical medical oxygen and nitrous oxides in Japan. It also plans, manufactures, sells, maintains, inspects, and repairs medical instruments equipment for medical gas supply facilities, and care and welfare equipment, as well as provides home oxygen therapy support services. In addition, the company operates nursing homes and day care facilities. Hoshi Iryo-Sanki Co., Ltd. was founded in 1960 and is headquartered in Tokyo, Japan.