On the other hand, the board members of Nihon Seito, the bribery suspects, were charged with violating laws for crimes of corruption, counterfeiting of documents, and consumption of a trust fund (Fourth Criminal Affairs Department of the Tokyo District Court was in charge for this), and Isomura was sentenced to a minimum term of 4 years in prison, and Akiyama was sentenced to a minimum term of 3 years and 6 months in prison on December 6, 1909.
一方、贈賄側の日本製糖取締役は、瀆職法、文書偽造罪、委託金費消違反に問われ、東京地方裁判所第四部刑事部が担当で1909年（明治42年）12月6日に判決言い渡しがあり、磯村は重禁固4年、秋山が同3年6ヶ月の実刑。