While it is only a small episode in the beginning of the modern banking system in Japan, it demonstrated that international banks were the pioneers of modern financial services in Japan. Since then, international banks have played important roles in Japan’s financial markets in various aspects including adoption of new financial techniques, discovery of new markets, and introduction of advanced risk management.
In fact, while the share of international banks in loans and deposits only accounts for about one percent, the latest survey conducted in April 2007 showed that, the share of international banks was 67% in foreign exchange  BIS Review 10/2009  1  transactions and 68 % in derivatives transactions.