| 1993-95 | : Member of the House of    Representatives (Ehime 1st District) | 
| 1995-00 | : Member of the House of Councilors (Ehime District) | 
| 1996 | : Director, Standing Committee on Budget, House of Councilors | 
| 1996-97 | : Director, Standing Committee on Audit, House of Councilors | 
| 1997-98 | : Parliamentary Vice-Minister of Finance | 
| 1999-00 | : Chairman, Judicial Affairs Division, Liberal Democratic    Party of Japan (LDP) | 
| : Chief Director, Standing    Committee on Justice, House of Councilors | 
| 2000- | : Member of the House of Representatives (Ehime 1st District) | 
| 2000-01 | : Chairman, Foreign Affairs Division, LDP | 
| 2001-03 | : Director, Standing Committee on Judicial Affairs, House of    Representatives | 
| 2002-03 | : Chairman, Treasury and Finance Division, LDP | 
| 2003-04 | : Chief Director, Standing Committee on Judicial Affairs,    House of Representatives | 
| 2004-05 | : Chairman, Standing Committee on Judicial Affairs, House of    Representatives | 
| 2005-06 | : Senior Vice-Minister for Foreign Affairs | 
| 2006-07 | : Chief Cabinet Secretary , Minister of State for the    Abduction Issue | 
| 2010 | : Director, Committee on Budget, House of Representatives | 
| 2011 | : Chairman, Press Bureau, LDP | 
| 2012 | : Acting chairman, Policy Research Council, LDP | 
|  | : Chief Director, Special Committee on Nuclear Affairs, House of Representatives | 
| 2013 | : Chief Director, Standing Committee on Budget, House of Representatives | 
| 2014- | : Minister of Health, Labour and Welfare |