Nanotechnology Patents in the United States and Beyond

In 2000, the United States launched the National Nanotechnology Initiative (NNI) to advance nanotechnology research, development, and infrastructure. Other countries around the world, from South Korea to Germany, have launched similar initiatives. As we move toward more digital and mobile lifestyles, nanotechnology is being recognized for its invaluable properties in sensation, speed, durability, and energy-efficiency. What is it and what countries are leading in its innovation?