Renesas Technology is one of the world's top ten semiconductor chip suppliers, established in 2003 through the merger of Hitachi and Mitsubishi Electric's semiconductor divisions, headquartered in Tokyo, Japan. The company's main products include microcontrollers, system LSI, and discrete semiconductor components, covering areas such as mobile communication and automotive electronics, with some market shares ranking first in the world. In 2004, a branch was established in Suzhou to carry out MCU design. After integrating NEC's electronics division in 2010, it became one of the world's largest automotive chip manufacturers.

In 2017, the China Business Headquarters was established to integrate localized operations. Complete the wholly-owned acquisition of Altium, a PCB design software company, in August 2024 to strengthen system level design capabilities. The technical layout covers SH Mobile application processors, R8C/Tiny series MCUs, and autonomous driving solutions. In November 2025, the world's first DDR5-9600 RDIMM stored clock driver chip and sixth generation stored clock driver (RCD) chip will be launched. In 2025, Renesas Technology joined the Kyoto Humanoid Robot Association, a robot development cooperation organization established by Waseda University and Murata Manufacturing Institute, with the goal of producing prototypes by March 2026 and achieving mass production by 2027.