Osaka Tekkosho Honsha Kojo at the behest of shipping company, Nippon Suisan K.K.

[2] On 12 September 1941, she was requisitioned by the Imperial Japanese Navy and converted to an auxiliary minesweeper under Reserve Lieutenant Takahashi Teruhisa (高橋輝藏).

[2] Takahashi served until 18 September 1941 when he was replaced by Reserve Lieutenant Terauchi Saburo (寺内三郎).

[2] Terauchi served until he was replaced by Reserve Lieutenant Tanaka Ginzo (田中銀造) on 1 May 1944.

[3] On 24 January 1945, while in a three ship convoy with transport Yoneyama Maru and auxiliary minesweeper Keinan Maru, she was attacked northeast of Iwo Jima (24°50′N 141°22′E / 24.833°N 141.367°E / 24.833; 141.367) by Task Group 94.9 (under Rear Admiral Oscar C. Badger) and sunk by the destroyers USS Dunlap and USS Fanning.