The was a class of minelayers of the Imperial Japanese Navy (IJN), serving during and after 1929 through World War II.
Ships in class
17 September 1928: Laid down as the at Yokohama Dock Company. 22 March 1929: Reclassified to . 24 April 1929: Launched. 10 July 1929: Completed. 30 May 1931: Reclassified to . In 1936: Rebuilding by the Tomozuru Incident at Sasebo Naval Arsenal. In 1938: Sortie for the Second Sino-Japanese War. 18 December 1941: Sortie for the invasion of the Lingayen Gulf. (after): She spent all her time on convoy escort operations in East China Sea and Java Sea. 1 February 1944: Reclassified to . 1 March 1945: Sunk by air raid from U.S. Navy aircraft carrier at Ishigaki Island. 10 May 1945: Removed from Navy List.
11 October 1928: Laid down as the Capture netlayer at Ōsaka Iron Works. 22 March 1929: Reclassified to 2nd class minelayer. 27 April 1929: Launched. 30 August 1929: Completed. 30 May 1931: Reclassified to Special service ship. In 1936: Rebuilding by the Tomozuru Incident at Sasebo Naval Arsenal. In 1938: Sortie for the Second Sino-Japanese War. 18 December 1941: Sortie for the invasion of the Lingayen Gulf. (after): She spent all her time on convoy escort operations in East China Sea, South China Sea and Java Sea. 1 February 1944: Reclassified to Minelayer. 27 April 1944: Sunk by USS Halibut at north off Naha . 10 June 1944: Removed from Navy List.
Bibliography Ships of the World special issue Vol.45, Escort Vessels of the Imperial Japanese Navy, , (Japan), February 1996 The Maru Special, Japanese Naval Vessels No.47, Japanese naval mine warfare crafts, (Japan), January 1981