JCO is a Japanese nuclear fuel cycle company established in October 1979 as a wholly owned subsidiary of
Sumitomo Metal Mining Co., Ltd. as Japan Nuclear Fuel Conversion Co. 日本核燃料コンバージョン (Nihon Kakunenryō Konbājon). As of 2000, stock capitalization was US$1 billion.
Timeline
1979 JCO was founded
1980 Sumitomo Metal Mining Co., Ltd. conversion activities were handed over to JCO
1983 The second factory building at
Tokaimura was completed