National Semiconductor Corporation (extinct)

Quellan, Inc. designed and markets integrated circuits. The company was founded in 2000 and was headquartered in Santa Clara, CA.

GCT Semiconductor, Inc. designs, develops, and markets integrated circuit solutions. It offers system-on-a-chip solutions that integrate radio frequency (RF), baseband modem, and digital signal processing functions onto a single die for the 4G Long-Term Evolution and Interoperability for Microwave Access markets. The firm also provides 3G Code Division Multiple Access RF components, software, and reference designs. Its products and solutions are used in smartphones, universal serial bus (USB) dongles, wireless routers, customer premise equipment, femto access points, public safety devices, and embedded modules for notebook and tablet devices. The company was founded by Kyeongho H. Lee and Ki-Sub Lee in 1998 and is headquartered in San Jose, CA.

QuickSilver Technology is the leading developer of adaptive computing IC technologies for high-performance computing products that require low-power consumption, low cost, and architecture flexibility, such as handheld, mobile, and wireless devices. The IC architecture is the Adaptive Computing Machine (ACM).Adaptive computing empowers OEM/ODM designers with the ability to develop ICs with custom-silicon capability in weeks or months versus years while enabling faster time to market, reduced development costs, and the ability to focus on innovating and developing intellectual property (IP).