Background
Katsusaburo Usui was born in 1856 in Echigo, Nagata, Japan.
勝三郎 臼井
Katsusaburo Usui was born in 1856 in Echigo, Nagata, Japan.
Katsusaburo Usui began his career in 1875 as a grocer and a dealer in konbu at Nemuro, Hokkaido. In 1894 he began canning salmon, trout, crab and shellfish. His business made him one of the richest men in the province.