| September 2004 | Minister of Education, Culture, Sports, Science and Technology |
| November 2003 | Elected to the House of Representatives |
| September 2003 | Deputy Secretary-General, LDP |
| March 2003 | Chairman, Committee on Health, Labour and Welfare, H.R |
| October 2002 | Deputy Chairman, Research Commissions, LDP |
| January 2001 | Senior Vice Minister of Economy, Trade and Industry |
| December 2000 | Senior Vice-Minister of International Trade and Industry |
| July 2000 | Chairman, Special Committee on Disasters, H.R |
| June 2000 | Elected to the House of Representatives |
| October 1999 | Chairman, Committee on Commerce and Industry, H.R |
| November 1996 | Director, Commerce and Industry Division, LDP |
| 1996 | Elected to the House of Representatives |
| December 1992 | Director, Environment Division, LDP |
| December 1990 | Parliamentary Vice-Minister of Education |
| 1990 | Elected to the House of Representatives |
| 1986 | Elected to the House of Representatives (H.R.) |
| 1982 | Director for Minister's Secretariat, Ministry of Finance |
| 1980 | Director, Tokai Local Finance Bureau, Ministry of Finance |
| 1978 | Head of Budget Bureau, Ministry of Finance |
| 1975 | World Bank (Washington D.C.) |
| 1971 | Chief of Ebara Tax Office |
| 1966 | Entered the Ministry of Finance |
