Elpida Memory, Inc. (エルピーダメモリ株式会社, Erupīda Memori Kabushiki-gaisha) was a corporation established in 1999 that developed, designed, manufactured and sold dynamic random-access memory (DRAM) products. It was also a semiconductor foundry. With headquarters in Yaesu, Chūō, Tokyo, Japan, it was formed under the name NEC Hitachi Memory in 1999 by the merger of the Hitachi, Ltd. and NEC DRAM businesses. In the following year it took its present name, and in 2003 took on the Mitsubishi DRAM business.