| 2007 | Minister of State for Financial Services and Administrative Reform (1st Abe Reshuffled Cabinet) |
| December 2006 | Minister of State for Regulatory Reform
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| 2006 | Senior Vice-Minister of Cabinet Office
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| 2005 | Re-elected to the House of Representatives (4th term)
Manager, Research Commission on the Tax System, Liberal Democratic Party
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| 2004 | Acting Director General, International Bureau, LDP
Acting Chairman, Public Relations Headquaters, LDP
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| 2003 | Re-elected to the House of Representatives (3rd term)
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| 2000 | Re-elected to the House of Representatives (2nd term)
Chief Secretary, Research Commission on the Finance and Banking
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| 1996 | Elected to the House of Representatives (1st term)
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| 1992 | Private secretary to Minister of Foreign Affairs
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| 1986 | Private secretary to Ministe of International Trade and Industry
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