In the modern conditions clustering concept became one of the most popular modern trends, especially in the Asia-Pacific region. Japan has one of the most successful experience of cluster policy. It has a great variety of different forms of clusters in its regions: technology parks, industrial parks, science parks and others. Nowadays, Japanese government provided a number of Business Startup Support Programs for supporting innovation sectors in Japanese regions. This measure became one of the most successful in regional development. Japan is actively implementing a number of programs for development of scientific and technological cooperation with private enterprise and science centers. Nowadays, clustering also became one of the main sphere of New Economic Growth Strategy of Japan.