197 1-72 years as private secretary to the Japanese foreign minister;

1976-78 served as the private secretary of the Japanese prime minister;

1984-87 used to be the director of the Treaty Bureau of the Japanese Ministry of Foreign Affairs;

1988-89 as the ambassador of Japan to the government representative department of OECD;

1989 to 9 1, as the Deputy Minister of Foreign Affairs of the Ministry of Foreign Affairs of Japan;

199 1-93 served as deputy minister of the Japanese Ministry of foreign affairs;

1994-98 as the Japanese ambassador to the United Nations;

From 65438 to 0999-2003, he served as Special Adviser to the Japanese Foreign Minister, Chairman of the Japan Institute of International Affairs and Senior Adviser to the President of the World Bank.