In August 1932, an internal battle was caused by Director Sadayori NAKATANI, who attempted to get rid of Tsunehisa IKENAGA known as a popular manager and his group of people to grab the power in the company.
1932年8月には中谷貞頼専務が、名物所長として知られた池永浩久とその一派を駆逐し所内の実権を握ろうとした内紛劇が起きた。