In 1932, after Benzo's death, Bansei LP was dismissed, and in the following year, 1933, Obihiro became the seventh city of Hokkaido that inaugurated municipal government.
勉三の死後昭和7年に晩成合資会社は解散し、翌年の昭和8年帯広は北海道で7番目に市制を施行した。