Masakazu Sekiguchi Hiroyuki Nagahama Yukihiko Imasaki Kazuo Ueda
In August 1952, Ichirō Hatoyama was allowed to rejoin the party, having been banned from politics as a result of the purge.
This led to increasing tensions within the party, splitting it into Hatoyama and Yoshida factions.
A no-confidence motion was passed shortly afterwards, resulting in the resignation of Yoshida and Hatoyama, now a member of the JDP, becoming the new prime minister.
In the February 1955 general elections, the party was reduced to 114 seats as it was defeated by the JDP.