Renesas

Renesas was established in 2003 by Mitsubishi and Hitachi. Renesas business is development, design, manufacture, sales and servicing of system LSIs, including microcomputers, logic and analog devices, discrete devices and memory products, including flash memory and SRAM.
In November 2005, Renesas Technology and Grandis said the will collaborate on MRAM development (65 nm MRAM Employing Spin Torque Transfer).

Renesas' web page