| 2009 | Minister of Finance |
| 2007 | Supreme Adviser, Democratic Party of Japan Chairman, Tax System Research Committee, Democratic Party of Japan
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| 2004 | Secretary General, Democratic Party of Japan Acting President, Democratic Party of Japan |
| 1999 | Secretary General, Democratic Party of Japan, Liberal Party Chair, Policy Research Committee, Liberal Party
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| 1994 | Minister of Finance |
| 1993 | Chairman, Finance Committee, the House of Representatives Minister of Finance |
| 1990 | Elected to the House of Representatives for the first time (currently in his seventh term) |
| 1984 | Chairman, Finance Committee, the House of Councillors |
| 1981 | Parliamentary Vice Minister of Finance |
| 1977 | Elected to the House of Representatives for the first time (served for the two terms) |
| 1974 | Budget Examiner, Budget Bureau, the Ministry of Finance |
| 1972 | Personal Secretary to Chief Cabinet Secretary (Mr. Nikaido) |
| 1971 | Personal Secretary to Chief Cabinet Secretary (Mr. Takeshita) |
| 1955 | Joined the Ministry of Finance |