The Hitachi Kasado Works (Hitachi Kasado Seisakujo) at Kudamatsu, Japan, constructed .IJA Subs, ijnsubsite.com Accessed 14 May 2022 Records of the details of the construction of Yu 14 have not been discovered, but the earlier Yu I-type submarines were laid down and launched during the latter half of 1943 and entered service at the end of 1943 or early in 1944.Mühlthaler, pp. 329–330.
