Ohta 1936 - 1957 Production info Year Company Place Country - 1935 Ohta Jidosha Seizosho Co. Ltd Tokyo Japan 1936 - 1945 Kosoku Kikan Kogyo Co. Ltd Tokyo Japan 1947 - 1957 Ohta Jidosha Kogyo Co. Ltd Tokyo Japan Models: OE PA PK-1 VK-5 Photo credits Popular Science