(From top) Japan's Prime Minister Naoto Kan, Economics Minister Kaoru Yosano and Chief Cabinet Secretary Yukio Edano walk toward their seats to cast a vote for the opposition-sponsored no-confidence motion at the parliament in Tokyo June 2, 2011. Kan survived a non-cofidence vote in parliament on Thursday, but the unpopular leader will struggle to break a policy deadlock given a split in his own party and a divided parliament. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS) 

Japan's Prime Minister Naoto Kan (R) bows with cabinet members Economics Minister Kaoru Yosano (C) and Chief Cabinet Secretary Yukio Edano after the opposition-sponsored no-confidence motion was rejected in parliament in Tokyo June 2, 2011. Kan survived a no-confidence vote in parliament on Thursday, but the unpopular leader will still struggle to break a policy deadlock given a split in his own party and a divided parliament. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS) 

Japanese Prime Minister Naoto Kan (R) attends a parliament session with his cabinet members (2nd R to L) Economics Minister Kaoru Yosano, Chief Cabinet Secretary Yukio Edano and Finance Minister Yoshihiko Noda, in Tokyo June 2, 2011. Kan said on Thursday that he would step down after handling issues related to the March 11 earthquake and tsunami and the subsequent nuclear crisis. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS) 

Japanese Prime Minister Naoto Kan (R) and Economics Minister Kaoru Yosano attend a parliament session in Tokyo June 2, 2011. A no-confidence motion against Kan on Thursday is certain to be rejected, Kyodo news agency reported, following reports the backers of ruling party powerbroker Ichiro Ozawa would reject the measure. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS) 

Japan's Prime Minister Naoto Kan (R) talks with Economics Minister Kaoru Yosano at the upper house parliamentary session in Tokyo May 2, 2011. Japan's parliament passed on Monday a 4 trillion yen ($50 billion) emergency budget for disaster relief after the March 11 earthquake and tsunami, a downpayment on what is set to be country's biggest public works effort in six decades. REUTERS/Issei Kato (JAPAN - Tags: DISASTER POLITICS BUSINESS) 

Japan's Economics Minister Kaoru Yosano listens to a question during an interview with Reuters in Tokyo March 2, 2011. Yosano said on Wednesday that the government needs to think about restraining new bond issuance in compiling the budget for the fiscal year beginning in April 2012. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS POLITICS HEADSHOT) 

Japan's Economics Minister Kaoru Yosano speaks during an interview with Reuters in Tokyo March 2, 2011. Yosano said on Wednesday that the government needs to think about restraining new bond issuance in compiling the budget for the fiscal year beginning in April 2012. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS POLITICS) 

Japan's Economics Minister Kaoru Yosano speaks during an interview with Reuters in Tokyo March 2, 2011. Yosano said on Wednesday that the government needs to think about restraining new bond issuance in compiling the budget for the fiscal year beginning in April 2012. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS POLITICS HEADSHOT) 

Japan's Economics Minister Kaoru Yosano listens to a question during an interview with Reuters in Tokyo March 2, 2011. Yosano said on Wednesday that the government needs to think about restraining new bond issuance in compiling the budget for the fiscal year beginning in April 2012. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS POLITICS HEADSHOT) 

Japan's Economics Minister Kaoru Yosano speaks during an interview with Reuters in Tokyo March 2, 2011. Yosano said on Wednesday that the government needs to think about restraining new bond issuance in compiling the budget for the fiscal year beginning in April 2012. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS POLITICS) 

Japan's Economics Minister Kaoru Yosano speaks next to an electronic board showing Japan's Nikkei index and other countries' market indices during an interview with Reuters in Tokyo March 2, 2011. Yosano said on Wednesday that the government needs to think about restraining new bond issuance in compiling the budget for the fiscal year beginning in April 2012. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS POLITICS HEADSHOT) 

Japan's Economics Minister Kaoru Yosano listens to a question during an interview with Reuters in Tokyo March 2, 2011. Yosano said on Wednesday that the government needs to think about restraining new bond issuance in compiling the budget for the fiscal year beginning in April 2012. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS POLITICS HEADSHOT) 

Japan's Economics Minister Kaoru Yosano speaks during an interview with Reuters in Tokyo March 2, 2011. Yosano said on Wednesday that the government needs to think about restraining new bond issuance in compiling the budget for the fiscal year beginning in April 2012. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS POLITICS HEADSHOT) 

Japan's Economics Minister Kaoru Yosano speaks during an interview with Reuters in Tokyo March 2, 2011. Yosano said on Wednesday that the government needs to think about restraining new bond issuance in compiling the budget for the fiscal year beginning in April 2012. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS POLITICS HEADSHOT) 

Japan's Economics Minister Kaoru Yosano (R) and Chief Cabinet Secretary Yukio Edano attend at the upper house parliamentary session in Tokyo January 28, 2011. Japanese leaders vowed on Friday to push ahead with tax reforms needed to rein in bulging public debt, but doubts persisted over whether the government could succeed in the face of a divided parliament. Rating agency Standard and Poor's cut Japan's long-term debt rating on Thursday for the first time since 2002 while the International Monetary Fund had harsh words for Washington and Tokyo, saying they need to act urgently to cut their deficits. REUTERS/Issei Kato (JAPAN - Tags: POLITICS BUSINESS) 

Japan's Economics Minister Kaoru Yosano speaks at the start of a regular parliament session in the lower house of parliament in Tokyo January 24, 2011. Japan's prime minister, facing a divided parliament and doubts over his political survival, on Monday stepped up his campaign for a sales tax rise he argues is vital to pay for huge welfare costs in the fast-ageing society. REUTERS/Issei Kato (JAPAN - Tags: POLITICS BUSINESS) 

Japan's Economics Minister Kaoru Yosano (R) walks past Prime Minister Naoto Kan at the start of a regular parliament session in the lower house of parliament in Tokyo January 24, 2011. Kan, facing a divided parliament and doubts over his political survival, on Monday stepped up his campaign for a sales tax rise he argues is vital to pay for huge welfare costs in the fast-ageing society. REUTERS/Issei Kato (JAPAN - Tags: POLITICS BUSINESS) 

Japan's Prime Minister Naoto Kan (R) and Economics Minister Kaoru Yosano attend the start of a regular parliament session in the lower house of parliament in Tokyo January 24, 2011. Kan, facing a divided parliament and doubts over his political survival, on Monday stepped up his campaign for a sales tax rise he argues is vital to pay for huge welfare costs in the fast-ageing society. REUTERS/Issei Kato (JAPAN - Tags: POLITICS BUSINESS) 

Japan's newly appointed Economics Minister Kaoru Yosano is seen between reporters during a group interview in Tokyo January 19, 2011. Japan's government is legally bound by a law approved two years ago to pass a tax reform bill by the end of the next fiscal year in March 2012, and the government should specify the extent of sales tax hikes in a welfare reform plan due by June, Yosano said. REUTERS/Issei Kato (JAPAN - Tags: BUSINESS POLITICS) 

Japan's newly appointed Economics Minister Kaoru Yosano takes questions from a reporter during a group interview in Tokyo January 19, 2011. Japan's government is legally bound by a law approved two years ago to pass a tax reform bill by the end of the next fiscal year in March 2012, and the government should specify the extent of sales tax hikes in a welfare reform plan due by June, Yosano said. REUTERS/Issei Kato (JAPAN - Tags: BUSINESS POLITICS HEADSHOT) 

Japan's newly appointed Economics Minister Kaoru Yosano speaks next to an electronic board showing Japan's Nikkei index and other countries' stock indexes during a group interview in Tokyo January 19, 2011. Japan's government is legally bound by a law approved two years ago to pass a tax reform bill by the end of the next fiscal year in March 2012, and the government should specify the extent of sales tax hikes in a welfare reform plan due by June, Yosano said. REUTERS/Issei Kato (JAPAN - Tags: BUSINESS POLITICS) 

Japan's newly appointed Economics Minister Kaoru Yosano takes questions from a reporter during a group interview in Tokyo January 19, 2011. Japan's government is legally bound by a law approved two years ago to pass a tax reform bill by the end of the next fiscal year in March 2012, and the government should specify the extent of sales tax hikes in a welfare reform plan due by June, Yosano said. REUTERS/Issei Kato (JAPAN - Tags: BUSINESS POLITICS HEADSHOT) 

Japan's newly appointed Economics Minister Kaoru Yosano takes questions from a reporter during a group interview in Tokyo January 19, 2011. Japan's government is legally bound by a law approved two years ago to pass a tax reform bill by the end of the next fiscal year in March 2012, and the government should specify the extent of sales tax hikes in a welfare reform plan due by June, Yosano said. REUTERS/Issei Kato (JAPAN - Tags: BUSINESS POLITICS) 

Japan's Prime Minister Naoto Kan (front row, 3rd R) and his cabinet members prepare to pose for a photo at the premier's official residence in Tokyo January 14, 2011. Japan's prime minister appointed a fiscal hawk to a key post and replaced his deputy in a cabinet revamp on Friday to cope with a divided parliament and tackle reforms to rein in public debt, but hurdles to success are high. Pictured are (front from L-R) Agriculture, Forestry and Fisheries Minister Michihiko Kano, Foreign Minister Seiji Maehara, Kan, newly appointed Justice Minister Satsuki Eda and newly appointed Economics Minister Kaoru Yosano. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS) 

Japan's Prime Minister Naoto Kan (C) and his cabinet members prepare to pose for a photo at the premier's official residence in Tokyo January 14, 2011. Japan's prime minister appointed a fiscal hawk to a key post and replaced his deputy in a cabinet revamp on Friday to cope with a divided parliament and tackle reforms to rein in public debt, but hurdles to success are high. Picture are (from L-R) Agriculture, Forestry and Fisheries Minister Michihiko Kano, Foreign Minister Seiji Maehara, Kan, newly appointed Justice Minister Satsuki Eda and newly appointed Economics Minister Kaoru Yosano. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS) 

Japan's newly appointed Economics Minister Kaoru Yosano walks at the prime minister's official residence in Tokyo January 14, 2011. Japan's prime minister appointed a fiscal hawk to a key post and replaced his deputy in a cabinet revamp on Friday to cope with a divided parliament and tackle reforms to rein in public debt, but hurdles to success are high. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS HEADSHOT BUSINESS) 

Japan's newly appointed Economics Minister Kaoru Yosano walks at the prime minister's official residence in Tokyo January 14, 2011. Japan's prime minister appointed a fiscal hawk to a key post and replaced his deputy in a cabinet revamp on Friday to cope with a divided parliament and tackle reforms to rein in public debt, but hurdles to success are high. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS HEADSHOT BUSINESS) 

Japan's Prime Minister Naoto Kan (3rd R) raises his fists with party members during an annual party convention of the ruling Democratic Party of Japan in Chiba, east of Tokyo, January 13, 2011. Kan will appoint former administrative reform minister Yukio Edano as his de facto deputy and offer ex-finance minister Kaoru Yosano, a fiscal conservative, a government post, Japanese media said a day ahead of the changes.
REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS BUSINESS) 

Japan's Prime Minister Naoto Kan (2nd R) raises his fist with Katsuya Okada (R), the ruling Democratic Party's secretary-general, and other party members during an annual party convention of the ruling Democratic Party of Japan (DPJ) in Chiba, east of Tokyo, January 13, 2011. Japan's prime minister will appoint former administrative reform minister Yukio Edano as his de facto deputy and give ex-finance minister Kaoru Yosano, a fiscal hawk, a key post when he reshuffles his cabinet this week, domestic media reported on Thursday. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS) 

Japan's Prime Minister Naoto Kan raises his fist with party members during an annual party convention of the ruling Democratic Party of Japan (DPJ) in Chiba, east of Tokyo January 13, 2011. Kan will appoint former administrative reform minister Yukio Edano as his de facto deputy and give ex-finance minister Kaoru Yosano, a fiscal hawk, a key post when he reshuffles his cabinet this week, domestic media reported on Thursday. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS IMAGES OF THE DAY) 

Japan's Prime Minister Naoto Kan raises his fist with party members during an annual party convention of the ruling Democratic Party of Japan (DPJ) in Chiba, east of Tokyo January 13, 2011. Kan will appoint former administrative reform minister Yukio Edano as his de facto deputy and give ex-finance minister Kaoru Yosano, a fiscal hawk, a key post when he reshuffles his cabinet this week, domestic media reported on Thursday. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: POLITICS) 

Japan's Prime Minister Taro Aso (C) leaves a news conference at his official residence in Tokyo July 15, 2009. Japanese Finance Minister Kaoru Yosano, who has been critical of the way Aso decided to call an election on August 30, met the premier on Wednesday, but it was unclear what they discussed. REUTERS/Issei Kato (JAPAN POLITICS BUSINESS) 

Japan's Prime Minister Taro Aso looks down as he answers a reporter's question at his official residence in Tokyo July 15, 2009. Japanese Finance Minister Kaoru Yosano, who has been critical of the way Aso decided to call an election on August 30, met the premier on Wednesday, but it was unclear what they discussed. REUTERS/Issei Kato (JAPAN POLITICS BUSINESS IMAGES OF THE DAY) 

Japan's Prime Minister Taro Aso (C) speaks to reporters at his official residence in Tokyo July 15, 2009. Japanese Finance Minister Kaoru Yosano, who has been critical of the way Aso decided to call an election on August 30, met the premier on Wednesday, but it was unclear what they discussed. REUTERS/Issei Kato (JAPAN POLITICS BUSINESS) 

The leader of Japan's main opposition Democratic Party Yukio Hatoyama (R) makes a speech while Japanese Prime Minister Taro Aso (C) and Finance Minister Kaoru Yosano listen it at a session of Parliament in Tokyo July 14, 2009. Japan's opposition-controlled upper house is expected to adopt a non-binding but embarrassing censure motion against Aso on Tuesday, a day after the unpopular leader said he would call an August 30 election. REUTERS/Kim Kyung-Hoon (JAPAN POLITICS) 

Japanese Prime Minister Taro Aso (R), Finance Minister Kaoru Yosano (C) and Chief Cabinet Secretary Takeo Kawamura attend a session of Parliament in Tokyo July 14, 2009. Japan's opposition-controlled upper house is expected to adopt a non-binding but embarrassing censure motion against Aso on Tuesday, a day after the unpopular leader said he would call an August 30 election. REUTERS/Kim Kyung-Hoon (JAPAN POLITICS) 

Japanese Prime Minister Taro Aso (R) and Finance Minister Kaoru Yosano attend a session of Parliament in Tokyo July 14, 2009. Japan's opposition-controlled upper house is expected to adopt a non-binding but embarrassing censure motion against Aso on Tuesday, a day after the unpopular leader said he would call an August 30 election. REUTERS/Kim Kyung-Hoon (JAPAN POLITICS) 

Japanese Finance Minister Kaoru Yosano attends a news conference in Tokyo June 24, 2009. Yosano said on Wednesday that if political donations he received turn out to have been legally problematic, he would decide appropriately what to do with the money. REUTERS/Issei Kato (JAPAN POLITICS HEADSHOT) 

Japanese Finance Minister Kaoru Yosano leaves a news conference in Tokyo June 24, 2009. Yosano said on Wednesday that if political donations he received turn out to have been legally problematic, he would decide appropriately what to do with the money. REUTERS/Issei Kato (JAPAN POLITICS) 

Japanese Finance Minister Kaoru Yosano attends a news conference in Tokyo June 24, 2009. Yosano said on Wednesday that if political donations he received turn out to have been legally problematic, he would decide appropriately what to do with the money. REUTERS/Issei Kato (JAPAN POLITICS) 

Japanese Finance Minister Kaoru Yosano attends a news conference in Tokyo June 24, 2009. Japanese Finance Minister Kaoru Yosano said on Wednesday that if political donations he received turn out to have been legally problematic, he would decide appropriately what to do with the money. REUTERS/Issei Kato (JAPAN POLITICS IMAGES OF THE DAY) 

Japanese Finance Minister Kaoru Yosano (R) attends a lower house administration committee session as Japanese Prime Minister Taro Aso walks past in front of him in Tokyo June 24, 2009. Yosano on Wednesday denied any wrongdoing after a newspaper said his political support group had accepted what appeared to be illegal donations from a dummy organisation. REUTERS/Issei Kato (JAPAN POLITICS CRIME LAW BUSINESS) 

Japanese Finance Minister Kaoru Yosano attends a lower house administration committee session in Tokyo June 24, 2009. Yosano on Wednesday denied any wrongdoing after a newspaper said his political support group had accepted what appeared to be illegal donations from a dummy organisation. REUTERS/Issei Kato (JAPAN POLITICS CRIME LAW BUSINESS) 

Japanese Finance Minister Kaoru Yosano (R) speaks as Japanese Prime Minister Taro Aso walks past behind him during a lower house administration committee session in Tokyo June 24, 2009. Yosano on Wednesday denied any wrongdoing after a newspaper said his political support group had accepted what appeared to be illegal donations from a dummy organisation. REUTERS/Issei Kato (JAPAN POLITICS CRIME LAW BUSINESS IMAGES OF THE DAY) 

Japanese Finance Minister Kaoru Yosano attends a lower house administration committee session in Tokyo June 24, 2009. Yosano on Wednesday denied any wrongdoing after a newspaper said his political support group had accepted what appeared to be illegal donations from a dummy organisation. REUTERS/Issei Kato (JAPAN POLITICS CRIME LAW BUSINESS) 

Japanese Finance Minister Kaoru Yosano attends a lower house administration committee session in Tokyo June 24, 2009. Yosano on Wednesday denied any wrongdoing after a newspaper said his political support group had accepted what appeared to be illegal donations from a dummy organisation. REUTERS/Issei Kato (JAPAN POLITICS CRIME LAW BUSINESS) 

Chinese Vice Premier Wang Qishan (C) shakes hands with Japanese Foreign Minister Hirofumi Nakasone as Japanese Finance Minister Kaoru Yosano (L) looks on at the Japan-China high level economic dialogue at the foreign ministry's Iikura Guest House in Tokyo June 7, 2009. REUTERS/Tomohiro Ohsumi/Pool (JAPAN POLITICS BUSINESS) 

Bank of Japan Govenor Masaaki Shirakawa stands up to answer a question at the Upper House Budget Committee in Tokyo May 20, 2009. Japanese Finance Minister Kaoru Yosano said that gross domestic product data issued on Wednesday reflected a rapid deterioration in the economy, though the figures also contained some brighter spots. REUTERS/Yuriko Nakao(JAPAN BUSINESS POLITICS) 

Japan's Prime Minister Taro Aso attends the Upper House Budget Committee in Tokyo May 20, 2009. Japanese Finance Minister Kaoru Yosano said that gross domestic product data issued on Wednesday reflected a rapid deterioration in the economy, though the figures also contained some brighter spots. REUTERS/Yuriko Nakao (JAPAN POLITICS BUSINESS) 

Bank of Japan Govenor Masaaki Shirakawa attends the Upper House Budget Committee in Tokyo May 20, 2009. Japanese Finance Minister Kaoru Yosano said that gross domestic product data issued on Wednesday reflected a rapid deterioration in the economy, though the figures also contained some brighter spots. REUTERS/Yuriko Nakao (JAPAN BUSINESS POLITICS) 

Finance Minister of Japan Kaoru Yosano departs with other delegates after a group photo at a meeting of the G7 finance ministers and governors at the Treasury Department in Washington, April 24, 2009. REUTERS/Jonathan Ernst (UNITED STATES POLITICS BUSINESS) 

Japan's Finance Minister Japan Kaoru Yosano (L) shakes hands with Canada's Finance Minister James Flaherty after a group photo after a meeting of the G7 finance ministers and governors at the Treasury Department in Washington, April 24, 2009. REUTERS/Jonathan Ernst (UNITED STATES POLITICS BUSINESS) 

Delegates stand for a group photo after a meeting of the G7 finance ministers and governors at the Treasury Department in Washington, April 24, 2009. Pictured are: Governor of the Bank of Germany Axel Weber (top row, from L), World Bank President Robert Zoellick, Governor of the Bank of France Christian Noyer, Governor of the Bank of Italy Mario Draghi, IMF Managing Director Dominique Strauss-Kahn, Governor of the Bank of England Mervyn King, Governor of the Bank of Canada Mark Carney, Governor of the Bank of Japan Masaaki Shirakawa, European Central Bank President Jean-Claude Trichet, US Federal Reserve Chairman Ben Bernanke, Finance Minister of Japan Kaoru Yosano. And Finance Minister of Germany Jorg Asmussen (front row, L-R), Finance Minister of Italy Giulio Tremonti, Finance Minister of Canada James Flaherty, US Treasury Secretary Timothy Geithner, Finance Minister of France Christine Lagarde, UK Chancellor of the Exchequer Alistair Darling and EuroGroup President Jean-Claude Juncker. REUTERS/Jonathan Ernst (UNITED STATES POLITICS BUSINESS) 

Japanese Finance Minister Kaoru Yosano makes remarks to the media after a morning round of G-7 talks, which will continue through the weekend as part of the IMF and World Bank Spring Meetings, in Washington April 24, 2009. REUTERS/Mike Theiler (UNITED STATES POLITICS) 

Japanese Finance Minister Kaoru Yosano makes remarks to the media after a morning round of G-7 talks, which will continue through the weekend as part of the IMF and World Bank Spring Meetings, in Washington April 24, 2009. REUTERS/Mike Theiler (UNITED STATES POLITICS) 

Japan's Finance Minister Kaoru Yosano (L) and his aides arrive for a meeting with U.S. Treasury Secretary Timothy Geithner at the Treasury Department in Washington, April 24, 2009. REUTERS/Jonathan Ernst (UNITED STATES POLITICS BUSINESS) 

Japan's Finance Minister Kaoru Yosano arrives for a meeting with U.S. Treasury Secretary Timothy Geithner at the Treasury Department in Washington, April 24, 2009. REUTERS/Jonathan Ernst (UNITED STATES POLITICS BUSINESS) 

Japan's Finance Minister Kaoru Yosano speaks at a news conference at Gatwick Airport in southern England March 14, 2009 after attending the G20 Finance Ministers meeting. REUTERS/Stephen Hird (BRITAIN POLITICS BUSINESS HEADSHOT) 

Japan's Finance Minister Kaoru Yosano speaks at a news conference at Gatwick Airport in southern England March 14, 2009 after attending the G20 Finance Ministers meeting. REUTERS/Stephen Hird (BRITAIN POLITICS BUSINESS HEADSHOT) 

Japan's Finance Minister Kaoru Yosano speaks at a news conference at Gatwick Airport in southern England March 14, 2009 after attending the G20 Finance Ministers meeting. REUTERS/Stephen Hird (BRITAIN POLITICS BUSINESS)