Renesas Electronics Corporation (ルネサス エレクトロニクス株式会社 Runesasu Erekutoronikusu Kabushiki Gaisha) TYO: 6723 is a Japanese semiconductor manufacturer headquartered in Tokyo. It has manufacturing, design and sales operations in around 20 countries. It is the world's largest auto semiconductor maker in 2014, one of the world's largest makers of semiconductor systems for mobile phones, the world's largest maker of microcontrollers, and the second largest maker of application processors. It also makes LCD drivers, RF ICs, mixed-signal integrated circuits and system on a chip semiconductors.