1993-95, Member of the House of Representatives (Ehime 1st District); 1995-2000, Member of the House of Councillors (Ehime District); 1996, Director, Standing Committee on Budget, House of Councillors; 1996-97, Director, Standing Committee on Audit, House of Councillors; 1997-98, Parliamentary Vice-Minister of Finance; 1999-2000, Chairman, Judicial Affairs Division, Liberal Democratic Party of Japan (LDP); Chief Director, Standing Committee on Justice, House of Councillors; since 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. Since 2014, current position.