formerly part of Siemens) Qorvo R Rabbit Semiconductor (acquired by Digi International in 2006) Ralink (acquired by MediaTek in 2011) Rambus RCA Realtek Renesas Technology (joint venture of Hitachi and Mitsubishi Electric) Reticon RF Micro Devices (merged with TriQuint Semiconductor to form Qorvo in 2015) Ricoh Rise Technology (acquired by Silicon Integrated Systems in 1999) Robert Bosch Rockchip Rockwell Semiconductor (spun off as Conexant) Rohm Roland Corporation RMI Corporation (Merged into NetLogic Microsystems, then Broadcom) S Samsung Electronics (Semiconductor division) Sanyo (Semiconductor division sold off to ON Semiconductor in 2010) Sanken Electric SanDisk (acquired by Western Digital in 2016) Seagate Technology Sensonor (acquired by Infineon Technologies in 2012) Sharp Corporation (Sharp Semiconductor division) SiFive Signetics (acquired by Philips (now NXP) in 1975) Sigma Designs SigmaTel (acquired by Freescale which merged with NXP in 2015) Silicon Motion Silicon Systems (now part of Western Digital) Silicon Labs Silicon Image (acquired by Lattice Semiconductor in 2015) Silicon Integrated Systems SK Hynix Skyworks Solutions (spun-off from Conexant) Sony (Semiconductor division) SMIC Spansion Spreadtrum STMicroelectronics (formerly SGS Thomson) ST-Ericsson (defunct in 2013) Sun Microsystems (acquired by Oracle Corporation in 2010) Symbios Logic (sold to Hyundai Electronics in 1995) Synertek T Tamarack Microelectronics (merged with IC Plus in 2002) TDK Telechips Tektronix (semiconductor division sold to Maxim Integrated in 1994) Teridian Semiconductor Texas Instruments Tilera (acquired by EZchip Semiconductor, EZchip was later acquired by Mellanox Technologies) Toshiba Tower Semiconductor Transmeta (acquired by Novafora in 2009) TriQuint Semiconductor (merged with RF Micro Devices to form Qorvo in 2015) Truly International Holdings Trumpf TSMC (Taiwan Semiconductor Manufacturing Company. semiconductor foundry) U UMC (company) u-blox Ubicom (formerly Scenix Semiconductor, acquired by Qualcomm Atheros in 2012) UNISOC V Vanguard International Semiconductor Corporation VIA Technologies (founded by ex-Intel employee, part of Formosa Plastics Group) Vimicro Virata Corporation (merged with Conexant in 2004) Vishay Intertechnology Vivante Corporation Volterra Semiconductor W Wacom Western Digital Wilocity (acquired by Qualcomm Atheros in 2014) Winbond Wolfson Microelectronics WonderMedia X X-Fab Xelerated (acquired by Marvell Technology Group in 2012) Xilinx (founded by ex-ZiLOG employee) XMOS Y Yamaha Corporation Z ZiLOG (founded by ex-Intel employees, part of Exxon 1980–89; now owned by TPG) Zoran Corporation (merged with CSR (company) PLC which was later merged to Qualcomm) References Electronics lists Lists of manufacturers