| Oct.2005 | Chief Cabinet Secretary |
| Sep.2004 | Acting Secretary-General of LDP |
| Sep.2003 | Secretary General of LDP |
| Apr.2001 | Deputy Chief Cabinet Secretary (Koizumi Cabinet) |
| Jan.2001 | Deputy Chief Cabinet Secretary (2nd Mori Reshuffle Cabinet) |
| Dec.2000 | Deputy Chief Cabinet Secretary (2nd Mori Reshuffle Cabinet) |
| Jul.2000 | Deputy Chief Cabinet Secretary (2nd Mori Cabinet) |
| Oct.1999 | Director of the LDP Social Affairs Division |
| Oct.1999 | Director of Committee on Health and Welfare, House of Representatives |
| Jul.1993 | Elected for the first time to the House of Representatives |
| Nov.1982 | Executive Assistant to the Minister for Foreign Affairs |
| Apr.1979 | Entered Kobe Steel Ltd. |