Established in 1992, Taiwan Silicon Microelectronics Co., Ltd. has a paid-in capital of NT$50 million. The company is led by Mr. Zhang Yimin, a PhD in engineering, who has extensive experience in semiconductor packaging technology. Since its inception, the company has focused on developing electronic digital tire pressure gauges and has designed and produced silicon-based pressure sensors. In 1996 and 1997, the company obtained relevant patents in Taiwan and the United States, followed by additional product patents in Taiwan, China, and the U.S. in 2005 and 2006.