- Business
- Cosel Co., Ltd. Cosel Co., Ltd. manufactures and sells electrical components and electromagnetic interference (EMI) filters, specializing in high-performance power supplies for industrial, medical, telecommunications, factory automation, renewable energy, railway, and network communication applications; its core products include AC/DC switching power supplies ranging from 3W to 10kW in enclosed, open-frame, DIN rail, modular, and PCB mount configurations, DC/DC converters offering 1.5W to 700W outputs in board-level, DIN rail, power module, and point-of-load types, and EMI filters encompassing single-phase, three-phase, and DC input models for electromagnetic compatibility compliance. The company operates through segments including Japan production and sales, North America sales, Asia sales, Europe sales, and China production and sales, with manufacturing facilities in Japan and China and sales offices across Japan, Asia, Europe, and North America serving global markets. Founded in 1969 and headquartered in Toyama City, Japan, Cosel Co., Ltd. employs 729 people consolidated and reports annual sales of 27,052 million yen for the year ended May 2025. In recent developments, LITE-ON Technology Corporation acquired a 19.99% strategic stake in April 2024 valued at NTD 2.53 billion, enabling board nominations and synergies in product development, manufacturing, market expansion, and sectors like industrial equipment, semiconductors, and healthcare; the company completed the acquisition of the remaining 30% stake in Cosel International Trading Co. Ltd. in August 2024 for CNY 7 million; and it launched products such as the GHA700F 700W medical/industrial AC/DC supply and the DCS series high DC input voltage power modules.