Tokyo is a hub of innovation and progress in various fields such as sciences, aviation, textiles, etc. It accounts for 70% of the world market in securities and investments. Corporations in Tokyo focus on environment, medical healthcare, and welfare, and emphasize on technology and communication. The city also has a high number of patent applications, with individuals from Tokyo leading the way worldwide. Japan's government assistance in attracting investment and setting up appropriate agencies is another key factor contributing to its success.