- I'M [Intelligent Memory Ltd.] DRAMs
- I2P [Integrated Intellectual Property, Inc.]
• check Lattice Semiconductor too!
- i-Chips [Japan] image processors
• check i-Chips [International] too!
- I-Chiun Precision Industry LEDs, leadframes
- I-Cube Inc. network ICs
• acquired by Fairchild
• LED and LED display product lines acquired by Everlight Electronic Co., Ltd.
• Fairchild Semiconductor International Inc. acquired by ON Semiconductor
- I&C Technology Co. Ltd communications
- iamba Networks Inc. GPON (Gigabit Passive Optical Networks)
- Ibeo Automotive Systems GmbH lidar sensors
- Ibis Technology Corporation SIMOX-SOI wafer
- IBM Semiconductor Division
• cellular phones division acquired by TriQuint Semiconductor
• TriQuint Semiconductor Inc. merged with RF Micro Devices to form Qorvo Inc.
- IC+ [IC PLUS Corporation] networking ICs
- iC-Haus
- IC Ensemble audio
• acquired by VIA Technology
- IC Media Corporations system-on-chip, image communicating devices
• check IC MEDIA Taiwan too!
- IC PLUS Corporation [IC+] networking ICs
- IC Works
• acquired by Cypress Semiconductor Corp.
- IC Microsystems [ICmic] AD/DA converters, mixed-signal & analog
- icana [arQana Technologies] RF semiconductor components for wireless telecommunication
• Wireless Telecommunications business acquired by FOXCONN [ Hon Hai Technology Group]
- iCatch Technology, Inc. RISC based CPUs
- ICD [Integrated Circuit Designs, Inc.]
• acquired by Texas Instruments Semiconductors
- IceMOS Technology Ltd. thick-film SOI (Silicon-on-insulator) wafers
- ICEpower [Bang & Olufsen ICEpower A/S] audio power conversion solutions
- Icera Semiconductor Inc. communications
• acquired by NVidia
- ICNexus ASICs
- iCometrue Co., Ltd. Logic Drive FPGA chips
- iCompression
• acquired by GlobespanVirata Inc.
- ICP Solar Technologies Inc. photovoltaics, Amorphous Silicon Thin Film
- Icron Technologies Corporation Chip Cores
- ICS [Integrated Circuit Systems] video/motherboard timing generator, communications, multimedia
• acquired by Integrated Device Technology, Inc. [IDT]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- ICsense NV IC & ASIC designs
- ICSI [Integrated Circuit Solution Inc.] microcontrollers, memories, ASICs, Bluetooth
- ICTOKO [TOKO Semiconductors] drivers, converters
• acquired by AKM Semiconductor
- ICube Corporation System-On-Chips (SOC)
• a subsidiary of ICube Technology Holdings Limited (Hongkong)
- Idea, Inc. LEDs, LED assembly
- Ideaflash Srl flash memories
• acquired by SK Hynix Inc.
- Ideal Power, Inc. bidirectional power switches
- iDEAL Semiconductor Devices, Inc. SuperQ power semiconductor devices
- IDENT Technology AG grip sensing and gesture control sensor technology
• acquired by Microchip Technology Inc.
- IDEX ASA fingerprint sensors
- IDI
• acquired by CML Innovative Technologies
- IDS Microchip AG
• acquired by ams AG [austriamicrosystems AG]
- IDT [Integrated Device Technology, Inc.] SRAM, microprocessors, FIFO, ATM
• for x86 compatible processors check VIA Technology
• Video Processing Business unit acquired by Qualcomm Inc.
• smart metering IC product lines and technologies acquired by Atmel Corporation
• Atmel acquired by Microchip Technology Inc.
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- IDTech [International Display Technology Inc.] LCDs
• in 2006 changed name to CMO Japan Co., Ltd.
• please contact Chi Mei Optoelectronics
- Ignion.io Virtual Antenna™ technology
- Ignis ASA fiber-optic communications
• acquired by Finisar Corporation
- iGS graphics and video accelerators
• acquired by Tvia
- II-VI Incorporated
- IPGrip Inc. Selectroplating
- IHP [Innovations for High Performance microelectronics] communications
- Ikanos Communications communications
- IKIN, Inc. 3D holograms
- IKKA Holdings (Cayman) automotive parts & modules
- Ikon Semiconductor LED drivers
- ILI Technology Corporation [Ilitek] mobile & CE display drivers
• acquired by MStar Semiconductor Inc. a company owned by MediaTek Inc.
- Ilitek [ILI Technology Corporation] mobile & CE display drivers
• acquired by MStar Semiconductor Inc. a company owned by MediaTek Inc.
- Illumitex LED lighting
- Iluvator Corex Inc. [Nanjing Iluvatar InfoTech Co., Ltd. ]
- IM Flash Technologies LLC. (USA) NAND Flash memories
• please check IM Flash Singapore, LLP too!
- Image Match Design Inc. [IMD] sensors, fingerprint sensors
- ImageCom Ltd video codecs
- IMAGIS Technology [Images Co., Ltd. ] haptic & touch controllers, power ICs
- Imagination Technologies Group graphics and communications IPs, MIPS processor cores
• IMGworks division acquired by Sondrel Ltd
- Imagine Designs Inc. LCD backlighting, microelectromechanical system (MEMS)
• acquired by Rambus Inc.
- Imaging Devices Inc. [IDI] image sensors
- Imagis touch controllers, videao & Key encoders, haptic drivers
- IMC [Industrial Microphotonics Company] high power laser diodes
- IMC Semiconductor communications
- IMD [Image Match Design Inc.] sensors, fingerprint sensors
- IMEC research center in nano-electronics and nano-technology
- Imedia Semiconductor Corporation communications, networking
- IMI [International Microcircuits Inc.] clocks, timing circuits, mixed signals
• acquired by Cypress
- iML [Integrated Memory Logic Inc.] analog and mixed signal integrated circuits for flat panel display and mobile systems
• acquired by Exar Corporation
• Chipone Technology (Beijing) Co., Ltd. acquired iML [Integrated Memory Logic Inc.] from Exar Corporation
• Exar Corporation acquired by MaxLinear Corporation
- IMP SCSI terminator ICs, uP supervisors, power management ICs
• acquired by Teamasia Lakhi Semiconductors Limited
- Impala Linear Corp. DC/DC converters, power management & RF technologies
• acquired by Fairchild
• Fairchild Semiconductor International Inc. acquired by ON Semiconductor
- Impinj Inc. RFID communication
• non-volatile memory (NVM) IP business acquired by Virage Logic Corp.
- Improv Systems
- imSemi [Xiamen IMSEMI Technology Co., Ltd. ] civil millimeter wave radar MMICs
- Imsys communications, Java
- IMT [Innovative Micro Technology Inc.] MEMS
- In-System Design Inc. ASICs, USB
• acquired by Cypress Semiconductor Corp.
- INCIDE S.A. RFIDs
- InComm [Interactive Communications, Inc.] prepay cards
- Incus Laboratories
• acquired by ams AG [austriamicrosystems AG]
- Indian River Silicon LLC wireless communications
• operation shut down on October 21 2008
- indie Semiconductor automotive semiconductors
- IndigoVision Ltd video communication
- Indilinx Co., Ltd. SSD Flash controllers
• acquired by OCZ Technology Group Inc.
- Industrial Control Solutions Inc. solid state relays
- Ineda Systems Inc. wireless communications
- INEX Microtechnology Ltd. semiconductor, MEMS and RF GaN devices
- Infi-Tex woven sensors
- Infineer communications
- Infineon Technologies AG communication ICs, microcontrollers, discrete & RF ICs, power ICs, opto
• image & video unit acquired by Micronas
• infrared business unit acquired by Vishay Intertechnology Inc.
• WDM business unit acquired by OpTun Inc.
• Optical Networking Product Line acquired by Exar
• Wearable-Electronics Unit acquired by Interactive Wear AG
• DRAM business unit acquired by Qimonda AG
• HDD business acquired by LSI Corporation
• Infineon's Fiber Optics business acquired by Finisar Corporation
• bulk acoustic wave (BAW) business acquired by Avago Technologies
• Polymer Optical Fiber (POF) business acquired by Avago Technologies
• Wireline Communication business acquired by Lantiq
• Wireless Solutions Business (WLS) acquired by Intel Corporation
• RF Power Business acquired by Cree Inc.
• HiRel (high reliability) DC-DC converter business acquired by Micross Components, Inc.
• GaAs business acquired by TriQuint Semiconductor
• TriQuint Semiconductor Inc. merged with RF Micro Devices to form Qorvo Inc.
- Infinera Corporation optical communications
- Infinex [owned by Flex Ltd.] capacitors, inductors, resistors, quartz crystals, oscillators, antennas, RF cables & connectors, diodes, MOSFETs, TRIACs, voltage regulators
- infiniDome, Ltd. GPS security
- InfiniLED Limited MicroLEDs (µLED™)
- Infinite Technology Corporation DSPs
- Infinite Power Solutions, Inc. [IPS] thin-film batteries, micro energy cells & micro energy storage solutions
- Information Storage Devices [ISD] voice chips
• acquired by Winbond
- InfoTMIC [Shanghai InfoTM Microelectronics Co., Ltd. ] processors
- Infovision Optoelectronics (Kunshan) Co., Ltd. [IVO] displays
- Ingenic Semiconductor Co., Ltd. microprocessors
- Ingentix memories
- InPlay Inc. IoT communications, networking
- Initio Corporation USB, bridge & host controllers
- iniVation AG dynamic vision sensor
- InkTec Transparent Electronic Conductive (TEC) Inks
- Inlustra Technologies Inc. Gallium Nitride (GaN) substrates
- InMos
• now ST Microelectronics
- Innatera Nanosystems B.V. neuromorphic processors
- Inno-Tech Co. controllers, ASICs
- InnoComm Wireless communications
• acquired by National Semiconductor Corp. • now Texas Instruments Semiconductors [TI]
- Innodisk Corporation industrial embedded flash and DRAM storage products
- Innofidei mobile TV broadcasting
- Innogration Technologies RF power semiconductors
- InnoGrit Corporation NVMe SSD controllers
- Innoluce BV laser scanning modules
• acquired by Infineon Technologies AG
- InnoLux Automotive auto displays
- InnoLux Display Corp. LCD displays
- InnoPhase Inc. wireless communication
- Innophase IoT, Inc. low power wireless radio solutions, SoCs & Modules
- Innoscience Technology Co., Ltd. 8-inch GaN-on-Si wafers
- INNOSILICON Technology Ltd. custom ASICs, GPUs, mixed signal IP cores
- Innostor Technology Corporation USB controllers & drivers
- Innotron Memory DRAMs
- Innova Card pre-certified Systems on Chip (SoC)
• acquired by Maxim
• Maxim Integrated Products Inc. acquired by ADI [Analog Devices Inc.]
- Innovaciones Microelectronicas SL [AnaFocus] CMOS image-sensors
• acquired by e2v technologies
- innovASIC Inc. customer specific IC solutions
• acquired by ADI [Analog Devices Inc.]
- Innovation and Transformation [INT] AMOLED & TFT displays
- InnovationLab GmbH printed and organic electronics, printed sensors
- Innovations for High Performance microelectronics [IHP] communications
- Innovative Design Solutions
• acquired by Texas Instruments Semiconductors
- Innovative Logic Inc. [Inno-Logic] ASICs, FPGAs
• USB IP business Unit acquired by SiFive Inc.
- Innovative Micro Technology Inc. [IMT] MEMS
- Innovative Semiconductors, Inc. intellectual property cores [IPC]
- Innovative Silicon Inc. Z-RAM memories
- Innovent Systems, Inc. RF CMOS
• acquired by Broadcom
- Innovics Wireless Inc. wireless communications
- Innovision Research & Technology Plc. short-range data communication, NFC and RFID
• acquired by Broadcom Limited
- Innovium, Inc. networking
• acquired by Marvell Technology Group Ltd.
- Innoviz Technologies Ltd high definition solid state LiDAR sensors (HD-SSL)
- Inntot Technologies Pvt Ltd. digital media receivers
- Inotera Memories Inc. memories
• acquired by Micron Technology Inc.
- Inova Semiconductors automotive multimedia transmissions, communications
- InPhase Technologies Inc. holographic data storage
- Inphi Corporation communications
• Memory Interconnect Business acquired by Rambus Inc.
• Inphi Corporation acquired by Marvell Technology Group Ltd.
- InPlay Inc. IoT communications, networking
- InProcomm
• acquired by MediaTek Incorporation
- IQRF Tech s.r.o. wireless communication
- inrevium IGBT Gate Driver, SD Card Host Controller LSI, I/O Expander
• company owned by Tokyo Electron Device Ltd. [TED]
- INSEL Rectifiers India
Pvt. Ltd. diodes, rectifiers, thyristors
- INSIDE Contactless secure microcontrollers
• now Inside Secure SA
- Inside Secure secure microcontrollers
- Insightness AG optical sensors (silicon eyes)
• acquired by Sony Semiconductor
- InsightSIP RF components and modules
- inSilicon Corp. semiconductor cores
• acquired by Synopsys, Inc.
- Insyde Software Corp. UEFI BIOS and systems management technologies
- INT [Innovation and Transformation] AMOLED & TFT displays
- Integra Technologies Inc. microwave amplifiers, transistors
- Integrant Technologies
• acquired by Analog Devices Inc. [ADI]
- InteGraphics Systems [iGS] graphics and video accelerators
• acquired by Tvia
- Integrated Circuit Designs, Inc. [ICD]
• acquired by Texas Instruments Semiconductors
- Integrated Circuit Solutions Inc [ICSI] SRAMs, DRAMs, EEPROMs, microcontroller
- Integrated Circuit Systems [ICS] video/motherboard timing generator, communications, multimedia
• acquired by Integrated Device Technology, Inc. [IDT]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- Integrated Device Technology, Inc. [IDT] SRAM, microprocessors, FIFO, ATM
• for x86 compatible processors check VIA Technology
• Video Processing Business unit acquired by Qualcomm Inc.
• smart metering IC product lines and technologies acquired by Atmel Corporation
• Atmel acquired by Microchip Technology Inc.
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- Integrated Electronic Technologies
• now Photon Vision Systems, Inc. [PVS] CMOS imagers
- Integrated Graphene Ltd. 3D graphene foam, biosensors
- Integrated Intellectual Property, Inc. [I2P]
• check Lattice Semiconductor too!
- Integrated Logic Systems [ILSI] programmable logic
• acquired by Simtek
• now Cypress Semiconductor Corp.
- Integrated Memory Logic Inc. [iML] analog and mixed signal integrated circuits for flat panel display and mobile systems
• acquired by Exar Corporation
• Chipone Technology (Beijing) Co., Ltd. acquired Integrated Memory Logic Inc. [iML] from Exar Corporation
• Exar Corporation acquired by MaxLinear Corporation
- Integrated Silicon Solutions [ISSI] memories
• EEPROMs & smart cards migrated to Giantec Semiconductor Inc.
• Integrated Silicon Solutions [ISSI] acquired by Ingenic Semiconductor Co., Ltd.
- Integrated Silicon Systems [ISS]
• now Amphion Semiconductor Ltd. speech & voice, video & imaging, signal processing
- Integrated Technology Express Inc. [ITE Tech. Inc.] controllers
• Please check Integrated Technology Express too!
- Integrated Telecom Express Inc.[ITeX] ADSL communications
- Integration Associates Inc. mixed-signal ASICs
• acquired by Silicon Laboratories Inc.
- Intel Corporation processors, flash, microcontrollers, networking
• Optical Platform Division acquired by Emcore Corporation
• Intel solar unit now SpectraWatt Inc.
• RFID Division acquired by Impinj Inc.
• smartphone modem business acquired by Apple Inc.
• Home Gateway Platform Division assets acquired by MaxLinear Corporation
• NAND flash business unit acquired by SK Hynix Inc.
• Enpirion business unit acquired by Richtek Technology Corporation a subsidiary of MediaTek Incorporation
- IntellaSys Corp. multicore processors
- Intelleflex Corporation. RFID tags, antennas & readers
- intellifusion Inc. AI technologies
- Intelligent Epitaxy Technology Inc. [IntelliEPI] epi-wafers
- Intellon wiress networking, powerline communications
• acquired by Atheros Communications Inc.
- Intelligent Memory Ltd. [I'M] DRAMs
- Intematix innovative LED lighting solutions
- Intense Photonics optical communications
- Intento Design SA analog IP
- Interactive Wear AG wearable electronics
- InterDigital wireless communications
- InterFET JFETs
- Intermetall
• check Micronas for IC's
• check General Semiconductor for transistors & diodes
• acquired by Vishay Intertechnology Inc.
- Intermolecular Inc. [member of Merck Group] memory related products
- International Microcircuits Inc. [IMI] clocks, timing circuits, mixed signals
• acquired by Cypress
- International Display Technology Inc. [IDTech] LCDs
• in 2006 changed name to CMO Japan Co., Ltd.
• please contact Chi Mei Optoelectronics
- International Rectifier Corporation [IOR] power transistors
• acquired by Infineon Technologies AG
- International Semiconductor Inc. [ISI] diodes
• the company has ceased its operation
- International Semiconductor Techniology [IST] mixed signals
• acquired by CHIPBOND Technology Corporation
- International Solar Electric Technology [ISET] CIGS thin-film solar cells
- InterSense Inc. [Thales Defense & Security, Inc.] motion tracking products
- Intersil Corp. video, multimedia, wireless communications, analog & digital signal processing, data acquisition, microprocessors, microcontrollers
• for discrete power chips check Fairchild Semiconductor
• Fairchild Semiconductor International Inc. acquired by ON Semiconductor
• Intersil Corp. acquired by Renesas Electronics Corporation
- InterWorks memories, DSP
- Intrinsic-ID NV Physical Unclonable Function (PUF)
- INTRINSIC Semiconductor Corporation wafers
- Intrinsity, Inc. communications
• acquired by Apple Computer Inc.
- Intrinsix Corp. ASIC designer
• acquired by CEVA Inc.
- Invecas Technologies ASIC design solutions
• HDMI business line acquired by Analog Devices Inc. [ADI]
- Invengo Information Technology Co., Ltd. smart card ICs
- InvenSense Inc. motion-sensing MEMS
• acquired by TDK
- InventChip Technology Co., Ltd. SiC power devices, drivers & controllers
- InVisage Inc. QuantumFilm image sensors
• acquired by Apple Inc.
- iolon optical networking
- IONAS A/S
• acquired by NKT Integration A/S
- Ionix Advanced Technologies Ltd piezoelectric materials, actuators and sensors for high temperature
- IOR [International Rectifier Corporation] power transistors
• acquired by Infineon Technologies AG
- Iowa Thin Film Technologies photovoltaics, Amorphous Silicon Thin Film
- IPDiA S.A. 3D silicon capacitors
• acquired by Murata Electronics
- IPextreme intellectual property (IP) from major semiconductor companies
- IPG Communications Inc. wireless communications
• acquired by Mindspeed Technologies Inc. a Connexant Company
- IPS [Infinite Power Solutions, Inc.] thin-film batteries, micro energy cells & micro energy storage solutions
- IPS Alpha Technology Ltd. LCD panels
- Ipsil Silicon-IP
- IPtronics A/S optical communication, ASICs
• acquired by Mellanox Technologies Inc.
- IQE plc epitaxial wafers
- Iridigm Display Corporation iMoD displays
• acquired by QUALCOMM Inc.
- Iris Optronics Co., Ltd. color e-paper displays & modules
- Irvine Sensors DRAM, SRAM, FLASH, IR
- Isabellenhütte ISA-ASICs, resistors
- Isocline
• changed name to Mythic Inc.
- ISD [Information Storage Devices] voice chips
• acquired by Winbond
- ISET [International Solar Electric Technology] CIGS thin-film solar cells
- Ishoni Networks Inc. broadband communications
- ISI [International Semiconductor Inc.] diodes
• the company has ceased its operation
- Isocom opto-couplers, solid-state-relays
- Isofotón [Isofoton] photovoltaic
- Isorg SA organic and printed electronics devices for small & large-area photonics and image sensors
- ISS [Integrated Silicon Systems]
• now Amphion Semiconductor Ltd. speech & voice, video & imaging, signal processing
- ISSC Technologies Corporation Bluetooth SoCs
• acquired by Microchip Technology Inc.
- ISSI [Integrated Silicon Solutions] memories
• EEPROMs & smart cards migrated to Giantec Semiconductor Inc.
• Integrated Silicon Solutions [ISSI] acquired by Ingenic Semiconductor Co., Ltd.
- IST [International Semiconductor Techniology] mixed signals
- ITE Tech. Inc. [Integrated Technology Express Inc.] controllers
• Please check Integrated Technology Express too!
- ITeX Inc. [Integrated Telecom Express Inc.] ADSL communications
- ITT Semiconductors
• check Micronas for IC's
• check General Semiconductor for transistors & diodes
- ITT-GTC
• now MACOM Technology Solutions Holdings, Inc.
- Ittiam Systems communication related DSP software & systems
- iVAST Inc. video compression
- iVivity Inc. communications
- iWatt Inc. AC/DC ICs, coupled inductors
• acquired by Dialog Semiconductor
• PMIC Business Unit of Dialog Semiconductor acquired by Apple Inc.
• IKOR power module division acquired by IDT [Integrated Device Technology, Inc.]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
• Dialog Semiconductor Plc acquired by Renesas Electronics Corporation
- iWave Systems Technologies Pvt. Ltd. System on Modules
- IXMICRO
- IXYS Corp. power discretes, SRAMs, solid state relais, optoMOS relais
• acquired by Littlefuse Inc.
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