For many years He is involved in the development of digital services in the technical production of key TV station in Tokyo. From the digitization of TV, have been involved in create contents and related system technological development and international standardization. At the same have been supporting digitization in countries in Asia, Africa, and South America as a specialist of TV digital service under the name of Japanese government contribution. In recent years, have been involved in the transition to NextGen TV from the beginning, developing peripheral technologies based on service scenarios. And also an expert in emergency warning broadcasting and disaster prevention information services as well.