- P-Tec Corp. LEDs, LCDs
- P.A. Semi Inc. multiprocessors
• acquired by Apple Computer Inc.
- Paceleader Industrial. Co., Ltd. diodes, LEDs
- Pacific Monolithics
• acquired by Richardson Electronics, Ltd.
- Package Tech semiconductor assembly
- Paion ethernet switch chipsets
- PACT XPP Technologies processors
- Padauk Technology Co., Ltd. microcontrollers
- Palma Ceia SemiDesign Inc. [PCS] Wi-Fi HaLow chips & IP products
- Palmchip Corporation SoC platforms & IPs
- PAM-XIAMEN [Xiamen Powerway Advanced Material Co., Ltd. ] epitaxial wafers
- Panasonic Japan
• Chip Tantalum Capacitor Unit acquired by Nichicon
- Panasonic Semiconductor Solutions Co., Ltd. [PSCS]
• Diode and Transistor Business Line acquired by Rohm Semiconductor Inc.
• SOC Business Line acquired by Socionext Inc.
• Panasonic Semiconductor Solutions Co., Ltd. acquired by Nuvoton Technology Corporation
- PanelSemi Corp. displays, flexible & mini LED displays
- Panjit diodes & rectifiers
- Panstera mixed-signals, transmitter, receivers, LVDS
• acquired by Pixelworks
- Panthronics AG NFC wireless charging ICs
• acquired by Renesas Electronics Corporation
- PARA LIGHT ELECTRONICS Co., Ltd. LEDs
• check Para Light [USA] too!
- Parade Technologies Ltd. digital video & USB interfaces
- Paradigm Technology SRAMs
• acquired by IXYS
• IXYS Corp. acquired by Littlefuse Inc.
- Paragraf Ltd. graphene based sensors
- Paralan SCSI
- Paratek Microwave Inc. tunable radio frequency (RF) front ends
- ParkerVision, Inc. communications
- Parthus Technologies communications, IP
• check ParthusCeva Inc. too!
- ParthusCeva Inc. communications, IP
- Partron Co., Ltd. camera & RF modules, MEMS sensors, vibration motors
- Pasqal quantum processing units
- Patriot Scientific communications
- Pavilion Data Systems communications
- PCL Technologies Inc. optical transceivers
- PCT [Professional Computer Technology Limited] NOR-flash
- PCS [Palma Ceia SemiDesign Inc.] Wi-Fi HaLow chips & IP products
- PCtel communications
- PDI [Pixel Devices International Inc.] images sensors
• acquired by Agilent Technologies Inc.
• now Avago Technologies
• for LEDs and Dislays please check Avago Technologies Lighting too!
- Peak Audio
• acquired by Cirrus Logic
- PEAK Devices, Inc.
• acquired by TriQuint Semiconductor Inc.
• TriQuint Semiconductor Inc. merged with RF Micro Devices to form Qorvo Inc.
- Pelican Imaging Corp. image sensors
- Pelikon flexible keypads, display interfaces
- PenMount [Salt International Corp.] touch controllers
- Peraso Technologies Inc. wireless communications, mmwave transceivers
- Peratech Limited Quantum Tunnelling Composite (QTC), QTC Force Sensors
- Perceive Corporation AI processors
- Percello Ltd. baseband processors
• acquired by Broadcom Limited
- Peregrine Semiconductor Corporation wireless technology, Radio Frequency (RF) solutions
• acquired by Murata Manufacturing Co., Ltd. [Japan]
- Performance Motion Devices [PMD] Motor control ICs
- Performance Semi memories, processors
- Pericom Semiconductor Corp. interface logic ICs, networking ICs, clock ICs
• acquired by Diodes Inc.
- Pericom Technology Inc. [PTI] timing, power management and analog switch es
• acquired by Pericom Semiconductor Corp.
• Pericom Semiconductor Corp. acquired by Diodes Inc.
- PerkinElmer optoelectronics
- Perpetuum Ltd. microgenerators, energy harvesting
- Phantom Intelligence LiDAR sensors
• acquired by LeddarTech
- Pharrowtech NV broadband communications
- PhaseLink crystal oscillator drivers, frequency and timming
• now part of Micrel
• Micrel Inc. acquired by Microchip Technology Inc.
- Pervasive Displays Inc. e-paper displays
- PEZY Computing K.K. microprocessors
- Phasor Solutions Ltd. phased array antennas and radars
- Phenitec Semiconductor Corp. diodes, transistors, sensors (Japaneese only)
- Phiar Corp. RF insulators
- Philips Semiconductor wireless communications, multimedia, audio/video, microcontrollers, digital logic, discretes, wired communications
• now NXP Semiconductors
• for logic products check Philips Logic
• for WAN products check Vitesse Semiconductors
• Vitesse Semiconductor Corp. acquired by Microsemi Corp.
• for LCDs check LG.Philips-LCD
• for LEDs & Bluetooth check Philips Components
• for GaAs related products check OMMIC
• CDMA business sold to Holley Communications Group Co., Ltd.
- Philsar Semiconductor wireless communications, single-chip radio technology
• acquired by Conexant Systems Inc.
- Phison Electronics Corporation memory card, SSD, eMMC controllers
- Phoenix Microwave Corporation
• acquired by M/A-COM Technology Solutions [MACOM]
- Phoenix Silicon International Corp. wafers
- Photobit video sensors, processors
• acquired by Micron Technology Inc.
- Photon Force Limited single-photon sensors
- Photon Vision Systems, Inc. [PVS] CMOS imagers
- PhotonDelta integrated photonics
- Photonfocus AG CMOS sensors
- Photonics Industries laser diodes
- PHOTONIS Technologies SAS sensors
- Photron Semiconductor Corp rectifier, transistors, DIAC
- Photronics Inc. photomasks for semiconductor and microelectronic applications
- Physpeed Corporation communications
• acquired by MaxLinear Corporation
- Phytium Technology Co., Ltd. microprocessors, ASICs
- Phyworks Ltd. optical communications
• acquired by Maxim
• Maxim Integrated Products Inc. acquired by ADI [Analog Devices Inc.]
- PI INC. (San Bruno, California) wireless charger
- picoChip Designs Limited communications
• acquired by Mindspeed Technologies Inc.
- Picocom Technology 5G NR baseband technology
- PICOGIGA GaAs foundry
- Picolight Incorporated communications, laser
- Picor
• a subsidiary of Vicor Corporation
- Picosecond Pulse Labs Inc. high-speed ultra-wideband electronic and optoelectronic components
- Pictos Technologies Inc. digital imaging processors
• acquired by ESS Technology, Inc.
- Picvue Electronics Ltd. LCDs
- Pijnenburg communication asics
- Pingtouge Semiconductor Co. Ltd AI chips and embedded processors
• owned by Alibaba Group
- Pivotal Commware Inc. communications, Holographic Beam Forming 5G repeater
- PixArt Imaging Inc. cmos sensors
- Pixel Devices International Inc. [PDI] images sensors
• acquired by Agilent Technologies Inc.
• now Avago Technologies
• for LEDs and Dislays please check Avago Technologies Lighting too!
- Pixel Qi Corp. LCD displays
- PixelCam CMOS images sensors
• acquired by Zoran
• Zoran acquired by CSR [Cambridge Silicon Radio]
• CSR mobile business unit acquired by Samsung Electronics Co., Ltd.
- PixelFusion communications
- Pixtel Communications Inc.
• acquired by MediaTek Incorporation
- Pixelworks Inc. image processors
- Pixim Inc. digital imaging
- Pixtronix MEMS-based displays
• acquired by Qualcomm Inc.
- Pixium Vision S.A. retinal wireless ICs
- Plainview ultra broadband modulator driver amplifiers, limiting amplifiers, and clock drivers
• a subsidiary of Aeroflex Microelectronic Solutions
- Planar Energy Devices Corporation solid state and lithium-ion batteries
- PlanarMag Inc. embedded magnetics
• acquired by Tyco Electronics [now TE Connectivity]
- Planet ATE analog ICs
• acquired by Intersil Corp.
- Planeta analog ICs
- Plastic Logic Limited plastic electronics, flexible electronic paper displays (EPD)
- Plastic Omnium automotive electronics
- PlayNitride Inc. MicroLEDs, LED displays
- PLDA Inc. interconnecting IPs
- Pleora Technologies Inc. AI & vision
- Plessey Semiconductors Ltd. LEDs, sensors
- Plextek RFI Ltd. design & development of RFICs, MMICs and microwave/mm-wave modules
- Plextronics Inc. organic semiconductors, Conductive Polymer- based Solar Cells, Transparent Electrodes for Touchscreens
- Pliant Technology Inc. Enterprise Flash Drives (EFDs)
- Pliops Ltd. storage processors
- Plurality Ltd. multiprocessor designs
- Plus Semi silicon foundry services
- PLX Technology Inc. PCI to local bus bridge ICs, clock ICs
• acquired by IDT [Integrated Device Technology, Inc.]
• IDT [Integrated Device Technology, Inc.] acquired by Renesas Technology Corp.
- PMC [Programmable Microelectronics Corporation] EEPROMs, Flash memories
- PMC-Sierra networking ICs
• acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- PMI [Precision Monolithics Inc.]
• acquired by Analog Devices
- PNI Sensor Corporation. sensors
- POET Technologies hybrid electro-optical Gallium arsenide (GaAs) devices
- PointChips Inc.
- Polar OLED Ltd. liquid crystal based polymer materials
- Polar Semiconductor, LLC analog and power semiconductor devices & sensors
- PolarFab Inc. wafers
- Polaroid Laser products
• now Boston Laser Inc.
- poLight AS optical MEMS
- Polovodice a.s. diodes, suppressors, thyristors
• semiconductor business acquired by ABB
- Polyera Corporation flexible & printed electronics
- Polyfet RF Devices MOSFETs
- PolyFuel Inc. membranes
- PolyIC GmbH & Co. KG printed electronics, RFIDs
- Polymatech Electronics Private Limited controller, memory, wireless & logic chips
- Polymer Vision Ltd. rollable displays, electronic paper displays (EPD)
- Polyn Technology Ltd. neuromorphic AI chips
- Polyus Research laser diodes
- Pony.ai, Inc. self driving technologies, LiDAR sensors
- Poro Technologies Ltd. [Porotech] MicroLEDs
- Porotech [Poro Technologies Ltd.] MicroLEDs
- Potato Semiconductor Corporation High frequency & low noise CMOS logics
- Potens Semiconductor Co., Ltd. MOSFETs, IGBTs, GaN/SiC
- Potentia Semiconductor Corporation [Potentia Canada] digital video display devices
• acquired by Power Integration, Inc.
• Power Controller Business acquired by Tundra Semiconductors
- Powency Circuit Pvt. Ltd. epi wafers, diodes, MOSFETs, power regulators
- Power-IO solid state relays
- POWER-LIGHT ELECTRONIC Co., Ltd. LEDs
- Power Down Semiconductor
- Power Innovations telecom overvoltage protection, SCRs, TRIACs, power transistors
- Power Integration, Inc. AC/DC & DC/DC circuits, diodes, rectifiers
- Power Trends switching voltage regulators
• acquired by Texas Instruments Semiconductors
- Power X Ltd.
- PowerASE Technology Inc. memory packaging and tests
- Powerchip Semiconductor Manufacturing Corp. [PSMC] DRAMs, wafer services
• DRAM business line acquired by Elpida Memory Inc.
• acquired by Micron Technology Inc.
- Powerex SCRs, TRIACs,MOSFETs, thyristors, power diodes
- Powermat Technologies Ltd. wireless charging platforms
- Powerprecise Solutions
• acquired by Texas Instruments Semiconductors
- PowerSmart Inc. battery controllers
• acquired by Microchip Technology Inc.
- PowerTech power transistors
- Powertech Technology Inc. [PTI] IC packaging and testing
- Powervation Ltd. digital energy control
- PowerVR Technologies digital video cores
- Powerway Advanced Material Co., Ltd. [PAM-XIAMEN] epitaxial wafers
- PPC Power transistors, diodes
- PragmatIC Semiconductor Limited flexible integrated circuits (FlexICs)
- PrairieComm wireless communications
- Pre-Switch, Inc. Pre-Flex™ switch ICs
- PreAct Technologies, Inc. Software-Definable Flash LiDARs
- Precision Monolithics Inc. [PMI]
• acquired by Analog Devices
- Prelonic Technologies OG printed electronics (displays, battery modules)
- Prema Semiconductor asics
- PRFI Ltd. MMICs, RFICs & microwave/mmWave modules
- Pricer AB Electronic Shelf Labels (ESL)
- Primarion Corporation communications
• acquired by Infineon Technologies AG
- PrimeSense Inc. 3D image sensors and image processors
- Prime View International [PVI] LCDs
• changed name to E Ink Holdings electronic paper displays (EPD)
• please check E Ink too!
- PrimeSensor Technology CMOS image sensors
- PrimeStar Solar cadmium telluride (CdTe) thin film photovoltaic modules
- Princeton Optronics, Inc.
• acquired by ams AG [austriamicrosystems AG]
- Princeton Technology Corporation drivers, controllers, encoders, decoders
- Procomp Informatics Ltd. wafers
- Proes RF transceivers, RF booster co-processors, radio frequency tuner
- Professional Computer Technology Limited [PCT] NOR-flash
- Profilic USB controllers, motor drivers, voice
- Programmable Microelectronics Corporation [PMC] EEPROMs, Flash memories
- ProLight Opto Technology Corporation Automotve, UV & IR LEDs
- Prolog Semicor Ltd. wafers
- PROMAX-JOHNTON CORP. rectifiers, diodes
- Prominent Communications communications
- ProMOS Technologies Inc. memories
- Prophesee SA AI vision sensors
- proteanTecs Ltd. foundry-specific IPs
- ProTek TVS diodes
- Provigent broadband wireless communication
• acquired by Broadcom Limited
- Provino Technologies Inc interconnect platform IPs
- ProVision Communication Technologies Limited wireless multimedia
- PROWTech Inc. VCSELs
- Proxim Corporation wireless networks
- pSemi Corporation [a Murata company] RF CMOS ICs
- PSMC [Powerchip Semiconductor Manufacturing Corp.] DRAMs, wafer services
• DRAM business line acquired by Elpida Memory Inc.
• acquired by Micron Technology Inc.
- PSi Technologies Inc. power packageing services
- PsiKick Inc. self-powered sensing solutions
• rebranded to Everactive Inc.
- PST Sensors Ltd. printed silicon
- PTI [Pericom Technology Inc.] timing, power management and analog switches
• acquired by Pericom Semiconductor Corp.
- PTI [Powertech Technology Inc.] IC packaging and testing
- PTX [Pantronix Corp.] semiconductor assembly services
- PUFsecurity [subsidiary of eMemory Technology] PUF-based security IP solutions
- Pulse Microwave RF & microwave semiconductors, transistors, diodes
- PulseCore Semiconductor, Inc. electromagnetic interference (EMI) suppression chips
• acquired by Alliance Semiconductor
- Pulse~LINK, Inc. communications
- Pulsiv Limited AC to DC power electronics
- PulsiV Solar Ltd. power harvesting
• rebranded as Pulsiv Limited
- Pulsus digital audio
- Purdy LCD & LED displays
- Pure Wafer wafer services
- PureDepth™ Inc. displays
- pureLiFi Ltd. LiFi technologies & LiFi Light Antenna Modules
- PV Crystalox Solar Plc multicrystalline silicon ingots and wafers
- PVI [Prime View International] LCDs
• changed name to E Ink Holdings electronic paper displays (EPD)
• please check E Ink too!
- PVS [Photon Vision Systems, Inc.] CMOS imagers
- Pyramid Semiconductor Corporation High Performance Military Processors, SRAMs, EPROMs, EEPROMs
- Pyreos Ltd. thin film pyroelectric IR sensor
- Pythagoras Solar photovoltaics
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