Suspension of voting rights for prisoners: ''No violation of the constitution'' following the first trial, Tokyo High Court. Inmates serving time at Nagano Prison were sentenced to seven years in prison for fraud in 2019.

Their right to vote was suspended based on the provisions of the Public Offices Election Act, and they were unable to vote in the House of Representatives elections. Opinions are divided regarding prisoners'right to vote, with the Osaka High Court ruling in 2013 that it was 'unconstitutional'