| Oct. 2011 | Minister of Economy, Trade and Industry
Minister of State for the Corporation in support of Compensation for Nuclear Damage
Minister for Nuclear Incident Economic Countermeasures
(Noda Cabinet) |
| Sep. 2011 | Minister of Economy, Trade and Industry
Minister for Nuclear Incident Economic Countermeasures
(Noda Cabinet) |
| Jun. 2011 | Chief Cabinet Secretary
Minister of State for Okinawa and Northern Territories Affairs
Minister of State for Government Revitalization
(2nd Reshuffled Kan Cabinet) |
| Jan. 2011 | Chief Cabinet Secretary
Minister of State for Okinawa and Northern Territories Affairs
(2nd Reshuffled Kan Cabinet) |
| Sep. 2010 | Deputy Secretary General, DPJ |
| Jun. 2010 | Secretary General, DPJ |
| Feb. 2010 | Minister of State for Government Revitalization |
| Nov. 2009 | Head of Working Groups for Review of Government Programs, Government Revitalization Unit |
| Aug. 2009 | Elected for the sixth time in the 45th House of Representatives election (Saitama 5th District) |
| Sep. 2007 | Chair of the Committee on Audit and Oversight of Administration |
| Sep. 2005 | Elected for the fifth time in the 44th House of Representatives election (Saitama 5th District) |
| Oct. 2004 | Chair of the Research Commission on the Constitution, DPJ |
| Nov. 2003 | Elected for the fourth time in the 43rd House of Representatives election (Saitama 5th District) |
| Dec. 2002 | Chair of the Policy Research Council, DPJ |
| Jun. 2000 | Elected for the third time in the 42nd House of Representatives election (Saitama 5th District) |
| Oct. 1996 | Re-elected in the 41st House of Representatives election (Proportional Kitakanto Block) |
| Sep. 1996 | Participated in foundation of the Democratic Party of Japan (DPJ) |
| Jul. 1993 | Elected for the first time in the 40th House of Representatives election (formerly Saitama 5th District) |
| Feb. 1993 | Succeeded in becoming a candidate for the New Japan Party after passing public invitation for the position |
| Apr. 1991 | Registered as an Attorney |
| Oct. 1988 | Passed the National Bar Examination |
|
| As of September, 2011 |
