NANOOMTECH CO., LTD NANOOMTECH CO., LTD is a manufacturer of medical and electronic devices in South Korea. Established in 2005 as a medical device import / export company, NANOOMTECH has dedicated a significant amount of resources towards the development of its patented proprietary software and hardware technologies, such as the HeartPlus AED, the Image Plus (endoscope imaging software), and the GPA-1000 (bone density diagnostics system).