- Business
- Nomura Micro Science Co., Ltd. (6254.T) designs, manufactures, installs, sells, and maintains advanced water treatment systems, including ultrapure water production systems for the electronics and high-precision device industries; pharmaceutical water production systems, pure steam generators for sterilization, package-type purified water systems, and membrane-based water for injection (WFI) production systems; wastewater treatment and water reclamation systems; and related functional products such as pretreatment membrane systems (FINESEP NFS Series), heat regenerative membrane filtration equipment (HEATMASTER HM Series), electrodeionization (EDI) systems, high-efficiency reverse osmosis systems (HERO), high-efficiency vacuum degasifiers (HE-VDG), membrane degasifiers, ozone water production systems (NOMUREXON O3), hydrogen water production systems (NOMUREXON H2), anti-static equipment (Super Bubbler WAC), return contamination monitors (RC Monitor), H2O2 monitors for ultrapure water (NOXiEMON), Nuclepore membranes, filter cartridges (NOMULITE), piping and environmental materials, and on-site pure water supply services. Founded in 1969 and headquartered at 2-9-10 Okata, Atsugi-shi, Kanagawa-ken, Japan, the company operates primarily in Japan, with subsidiaries and activities spanning South Korea (Nomura Micro Science Korea Co., Ltd.), the United States (Nomura Micro Science USA Ltd., Co.), Taiwan (Nomura Micro Science Engineering Co., Ltd.), China (Shanghai Nomura Engineering Co., Ltd.), Singapore (Nomura Micro Science Singapore Pte. Ltd.), and other Asian markets, serving electronics, pharmaceuticals, biotechnology, food, plants, environmental energy, and analysis industries. Recent developments include Shanghai Nomura Engineering Co., Ltd. absorbing Nomura Shanghai Engineering Technology Co., Ltd. as the surviving entity in 2025; establishment of Nomura Micro Science Singapore Pte. Ltd. in 2024 to bolster Southeast Asia sales; acquisition of full equity in Hydrofoil (Shanghai) Engineering Co., Ltd. (renamed Nomura Shanghai Engineering Technology Co., Ltd.) in 2023; record FY2025 financial performance driven by major water treatment projects in the United States and South Korea, alongside new orders in India (TATA project); and strategic initiatives such as global sales expansion, engineering process reforms including skid mounting and piping prefabrication, accelerated R&D under the SMART UP3 program for next-generation ultrapure water and environmental systems, and growing sales of WFI manufacturing systems with endotoxin monitoring development.