| 2006 | Minister for Financial Services |
| 2003 | Senior Vice Minister of Finance |
| 2002 | Chairman of the Committee on Judicial Affairs, House of Representatives |
| 2001 | Chairman of the Committee on Economy, Trade and Industry, House of Representatives |
| 2000 | Executive Deputy Secretary-General, Liberal Democratic Party |
| 2000 | State Secretary for Justice in the 1st Mori Administration |
| 1999 | State Secretary for Justice in the 1st Obuchi administration |
| 1998 | Director, Infrastructure Division, Policy Research Council, Liberal Democratic Party |
| 1997 | Member of the General Council, Liberal Democratic Party |
| 1996 | State Secretary for Home Affairs |
| 1995 | Acting Director, Judicial Affairs Division, Policy Research Council, Liberal Democratic Party |
| 1990 | Member of the House of Representatives |
| 1985 | Member, Kochi Prefectural Assembly |
| 1983 | Law practice |