Ships
- IJN Nihonkai Maru Captain from 7 August 1942 · Relieved on 1 October 1943
Yoshizo Nakamaruo was a captain in the Imperial Japanese Navy. The characters are 中円尾義三. The officer list marks him class 36.
On 7 August 1942 he was appointed captain of Nihonkai Maru. She was an auxiliary torpedo-boat tender then, with the Tsingtao Base Force. He left her on 1 October 1943, the morning she was reclassed an auxiliary transport, and was attached to the Kure Naval District.
The captain's column for her ends that morning. Flounder sank her on 17 June 1944, with James Edward Stevens in command of the submarine. Nakamaruo had been off her for nine months.