Tokai Carbon Co. Ltd. (TYO:5301) announced on July 5 that heavy rainfall near its Tanoura Plant in Ashikita, Kumamoto Prefecture, led to a fire on July 4. The company also provided further details of the incident. The Tanoura Plant produces isotropic graphite materials used in semiconductors, solar cells and various industrial applications. On July 4, heavy rainfall in the Ashikita…