| 1959 | Entered a petroleum refining and marketing company |
| 1977 | Prime Minister's Chief Secretary (Fukuda Cabinet) |
| 1979 | Private Secretary to Mr. Takeo Fukuda (former Prime Minister) |
| 1981 | Director, Institute for Banking and Financial Affairs Research |
| 1990 | Elected to the House of Representatives (HR)
Deputy Director-General, International Bureau, Liberal Democratic Party (LDP) |
| 1991 | Director, Committee on Foreign Affairs, HR |
| 1993 | Director, Committee on Cabinet, HR |
| 1995 | Parliamentary Vice-Minister of Foreign Affairs |
| 1996 | Director, Division of Foreign Affairs, LDP |
| 1997 | Deputy Secretary General, LDP |
| 1998 | Chairman of the Finance Committee, LDP |
| 1999 | Director-General, Treasury Bureau, LDP |
| 2000 | Deputy Chairman, Policy Research Council, LDP
Minister of State, Chief Cabinet Secretary
Minister of State (Okinawa Development) |
| 2001 | Minister of State, Chief Cabinet Secretary
Minister of State (Gender Equality) |
| 2002 | Minister of State, Chief Cabinet Secretary
Minister of State (Gender Equality) |
