Democratic Party of Japan or DPJ [Yukio HATOYAMA, leader, Naoto KAN, secretary general]; Japan Communist Party or JCP [Kazuo SHII, chairman, Tadaaki ICHIDA, secretary general]; Komeito [Takenori KANZAKI, president, Tetsuzo FUYUSHIBA, secretary general]; Liberal Democratic Party or LDP [Junichiro KOIZUMI, president, Taku YAMASAKI, secretary general]; Liberal Party [Ichiro OZAWA, president, Hirohisa FUJII, secretary general]; New Conservative Party [Chikage OGI, president, Takeshi NODA, secretary general]; Social Democratic Party or SDP [Takako DOI, chairperson, Sadao FUCHIGAMI, secretary general]