Tokai Carbon
 Tokai Carbon Co. Ltd. (東海カーボン株式会社 Tōkai Kābon Kabushiki-gaisha) is a Japanese company. The company is a developer and stockist of graphite material for use in nuclear power particularly electrical discharge machining electrode high temperature and mechanical applications.The company was founded in 1918 as Tokai Electrode Mfg. Co. Ltd. with a plant in Nagoya and the head office in Tokyo. In 1975 it changed to its present name Tokai Carbon Co. Ltd.