A construction company involved in a scandal at Kansai Electric Power Co. increased its sales by at least six times over the five years to August 2018 for work related to nuclear power plants, data by a credit research agency showed Saturday.Yoshida Kaihatsu, based in Takahama, Fukui Prefecture, posted more than 2.1 billion yen ($19.5 million) in sales in the year to August 2018, up from 350 million yen in the year to August 2013, according to the data.Investigations by tax authorities have found the company paid about 300 million yen in commission to Eiji Moriyama, a former deputy mayor of…READ FULL ARTICLE