USHIO Inc. Is Japan's foremost producer of high-quality light sources, units, and systems. USHIO has earned its reputation by developing products that integrate state-of-the-art lighting technologies and designs with the specific application needs of industry-leading clients in a wide range of fields, from semiconductors, electronics, and image information processing to biotechnology and medicine. USHIO maintains production facilities in Japan, North America, Europe, and Asia and they are complemented by a worldwide marketing network of sales bases.