Nihon Trim Co., Ltd. engages in the manufacture and sale of water purifiers. It operates through Water Healthcare and Medical Care-related segments. The Water Healthcare segment handles the sale of water purifying equipment. The Medical Care-related segment deals with the research and development in the medical and preventive medicine fields. It is also involved genetic diagnosis field and regenerative medicine. The company was founded on June 12, 1982 and is headquartered in Osaka, Japan.