Sumio Mabuchi

[2] On 17 September 2010, Mabuchi was named as the new minister of land, infrastructure, transport and tourism in the reshuffled Naoto Kan cabinet.

[5] Mabuchi left prime minister Kan's cabinet on 14 January 2011,[6] after the then-opposition Liberal Democratic Party (LDP) passed a censure motion against him following the leaking of Japanese Coast Guard footage of the 2010 Senkaku boat collision incident.

[4] After the Democratic Party of Japan suffered a major defeat to the LDP under Noda at 2012 Japanese general election.

[11] Mabuchi returned to the House in February 2019 after the resignation of Shinji Tarutoko, who was contesting the Osaka 12th district by-election.

Being the candidate with the next largest sekihairitsu in Kibō no Tō's 2017 Kinki proportional representation list, Mabuchi was next in line to fill Tarutoko's PR seat.

Mabuchi (right) visiting the Okinawa Institute of Science and Technology in 2010
Mabuchi in 2019