- Renesas Electronics America designs and manufactures highly integrated semiconductor system solutions for automotive, mobile and PC/AV markets. Established on April 1, 2003, as a joint venture between Hitachi, Ltd. and Mitsubishi Electric Corporation and headquartered in Tokyo, Japan, Renesas is one of the largest semiconductor companies in the world and the world-leading microcontroller supplier globally. Besides microcontrollers, Renesas offers system-on-chip devices, smart card ICs, mixed-signal products, flash memories, SRAMs and more.