Mayfield

Mayfield Fund is a California-based venture capital firm founded in 1969 and headquartered in Menlo Park, with an additional office in Mumbai. It focuses on early-stage to growth investments in technology companies across sectors including enterprise software, data infrastructure, semiconductors, communications, artificial intelligence, consumer technology, health and wellness, energy tech, and related services. The firm pursues global opportunities, with emphasis on California—especially the San Francisco and San Jose area—and cross-border investments in Europe, India and China, including companies with substantial operations in India or China. Typical investments range from about $1 million to $15 million, with follow-on rounds and the potential for debt investments around $1 million. Mayfield often leads rounds or co-invests with other investors and helps assemble syndicates to support portfolio companies.

Navin Chaddha

Managing Partner

Rishi Garg

Venture Partner

Vikram Godse

Managing Partner, Mayfield India

Nikhil Khattau

Managing Director

Paul Kohli

Vice President of Investment Operations

Tejas Maniar

Investor

Guru Pangal

Venture Partner

Ursheet Parikh

Partner

Vijay B Reddy

Investor

Patrick Salyer

Partner

Vaneeta Varma

CFO

Past deals in Semiconductor

Retym

Series D in 2025
Retym is a startup focused on semiconductor technology. It aims to revolutionize the data center and telecommunications industries through its innovative solutions. The company's team comprises experienced ASIC designers, optical communications experts, and seasoned investors.

Lumilens

Seed Round in 2024
Lumilens creates photonics products designed for high-performance computing.

Recogni

Series C in 2024
Founded in 2017, Recogni specializes in developing AI-based inference processing solutions. It offers high-performance, low-power processors for generative AI and intelligent autonomous platforms, serving automotive industries in Germany and the US.

Alif Semiconductor

Venture Round in 2022
Founded in 2019, Alif Semiconductor develops advanced embedded processors designed for efficient AI-driven computing at the edge. Their microcontrollers feature integrated AI acceleration, low-power architecture, robust security features, and scalable processing capabilities, serving industries such as IoT, automotive, and consumer electronics.

Akeana

Venture Round in 2022
Founded in early 2021 by industry leaders, Akeana specializes in semiconductor intellectual property (IP) for RISC-V architecture. Its offerings include microcontroller cores, embedded cores, laptop/server cores, coherent/non-coherent interconnects, and accelerators.

Recogni

Series B in 2021
Founded in 2017, Recogni specializes in developing AI-based inference processing solutions. It offers high-performance, low-power processors for generative AI and intelligent autonomous platforms, serving automotive industries in Germany and the US.

NUVIA

Series B in 2020
Nuvia, Inc. is a semiconductor company specializing in the design and manufacture of silicon chips and microprocessors. Founded in 2019 and headquartered in Santa Clara, California, Nuvia develops high-performance server system-on-chip processors that utilize advanced central processing unit micro-architecture tailored for data centers. The company's innovative chipsets are engineered to enhance computing performance while ensuring power efficiency and scalability, addressing the demands of compute-intensive applications. By focusing on delivering a faster, more energy-efficient, and secure processing experience, Nuvia aims to transform the capabilities of existing data center processors and support the evolving needs of the technology landscape.

NUVIA

Series A in 2019
Nuvia, Inc. is a semiconductor company specializing in the design and manufacture of silicon chips and microprocessors. Founded in 2019 and headquartered in Santa Clara, California, Nuvia develops high-performance server system-on-chip processors that utilize advanced central processing unit micro-architecture tailored for data centers. The company's innovative chipsets are engineered to enhance computing performance while ensuring power efficiency and scalability, addressing the demands of compute-intensive applications. By focusing on delivering a faster, more energy-efficient, and secure processing experience, Nuvia aims to transform the capabilities of existing data center processors and support the evolving needs of the technology landscape.

MIPS Technologies

Venture Round in 2016
MIPS Technologies develops compute processors based on RISC-V instruction set architectures. It licenses its IP to semiconductor companies and system OEMs for use in AI-oriented markets like Automotive, Data Centers, and communications. The company offers embedded processors tailored to various market segments.

Shineon

Series C in 2011
Shineon is a Chinese high-tech enterprise specializing in high-brightness LED packaging products. It develops and manufactures high brightness chips and application products, focusing on low thermal resistance, high brightness, and consistent color temperature. Shineon's SMD-LED products cater to LCD backlighting requirements, while its high brightness LED chips and integrated packaging products serve the solid-state lighting market.

Pixim

Venture Round in 2008
Pixim is a hardware company specializing in the development of advanced chipsets for video cameras. Its proprietary Digital Pixel System® technology transforms traditional imaging by allowing each pixel to function as an individual camera, continuously adjusting to varying highlights and lowlights within the same scene. This innovative approach enables Pixim's cameras to capture images with superior resolution, natural colors, and clarity, while effectively reducing visual noise such as glare and reflections. The company’s products include digital image sensors, processors, and software that cater to a wide range of applications, including security and video surveillance, network cameras, machine vision, and automotive systems. By providing high-quality imaging solutions, Pixim delivers accurate and actionable information, enhancing users' confidence in their visual data.

Kickfire Analytics

Series B in 2008
Kickfire makes an analytic appliance for the MySQL data warehouse market. With 11 million active installations, MySQL is the world's most popular open source database and its adoption is accelerating. As the amount of data stored in MySQL grows, so too does the requirement to analyze this data for business decision making. However, the technologies required for data warehousing and high-performance query and reporting within the leading proprietary databases such as Oracle and SQL Server don't exist in MySQL. Kickfire has the answer. By combining hardware and software innovations with the ease-of-use of the MySQL open source database, Kickfire brings to market an analytic appliance with unheard of performance, simplicity, and economics. At the core of every Kickfire appliance is a new SQL chip that radically alters the economics of query processing by packing the power of 10s of CPUs into a single chip. Just as NVIDIA moved graphics processing from software to hardware, Kickfire has done the same for database operations. This disruptive innovation facilitates tremendous improvements in speed and reductions in cost and power. With Kickfire, the MySQL data warehouse market now has a fully functional, load-and-go analytic appliance that rivals any of the proprietary database appliances or specialized analytic databases in the world. And there is no expensive hardware buildout or complex tuning required. Kickfire was founded in 2006 by Raj Cherabuddi and Joseph Chamdani, two proven entrepreneurs with more than 50 issued patents. Prior to Kickfire, they founded Sanera Systems, a startup that focused on mission-critical, high-performance SAN switches. Sanera was successfully acquired by McDATA, a public company with $800M in annual revenues, and is now part of Brocade. Backed by blue chip investors Accel Partners, Greylock Partners, Mayfield Fund and Pinnacle Ventures, Kickfire is headquartered in Santa Clara, California.

Pixim

Venture Round in 2007
Pixim is a hardware company specializing in the development of advanced chipsets for video cameras. Its proprietary Digital Pixel System® technology transforms traditional imaging by allowing each pixel to function as an individual camera, continuously adjusting to varying highlights and lowlights within the same scene. This innovative approach enables Pixim's cameras to capture images with superior resolution, natural colors, and clarity, while effectively reducing visual noise such as glare and reflections. The company’s products include digital image sensors, processors, and software that cater to a wide range of applications, including security and video surveillance, network cameras, machine vision, and automotive systems. By providing high-quality imaging solutions, Pixim delivers accurate and actionable information, enhancing users' confidence in their visual data.

Lattice Power Jiangxi

Series B in 2007
Lattice Power Jiangxi is a high-tech company based in Jiangxi, China, specializing in silicon-substrate epitaxy materials for GaN-based LEDs and in LED chips for general lighting, displays, LCD backlighting and industrial applications. It develops GaN-on-Si blue LEDs with silicon substrates and owns a suite of inventions and patents, including a three-pillar approach that combines sapphire, silicon carbide and silica substrates as part of its lighting technology. The company manufactures epitaxial wafers, chips, packaging and modules and provides GaN-on-Si power device materials for automotive and consumer electronics, aiming to improve performance, energy efficiency and miniaturization. It operates within the broader group led by Shunfeng International Clean Energy Limited.

Ponte Solutions

Series B in 2007
Ponte Solutions, Inc. engages in delivering design-for-manufacturability solutions. It develops and markets model-based software products and design-for-manufacturing solutions that analyze, predict, and reduce the impact of process variability during the manufacture and design of semiconductors. The company’s customers include semiconductor companies, foundries, and design houses. Ponte Solutions, Inc. was formerly known as E-Z-CAD, Inc. The company was founded in 2001 and is based in Mountain View, California with an additional office in Yerevan, Armenia. As of May 15, 2008, Ponte Solutions, Inc. operates as a subsidiary of Mentor Graphics Corp. (NasdaqNM: MENT). As of May 12, 2008, Ponte Solutions, Inc. operates as a subsidiary of Mentor Graphics Corp.

Pixim

Venture Round in 2007
Pixim is a hardware company specializing in the development of advanced chipsets for video cameras. Its proprietary Digital Pixel System® technology transforms traditional imaging by allowing each pixel to function as an individual camera, continuously adjusting to varying highlights and lowlights within the same scene. This innovative approach enables Pixim's cameras to capture images with superior resolution, natural colors, and clarity, while effectively reducing visual noise such as glare and reflections. The company’s products include digital image sensors, processors, and software that cater to a wide range of applications, including security and video surveillance, network cameras, machine vision, and automotive systems. By providing high-quality imaging solutions, Pixim delivers accurate and actionable information, enhancing users' confidence in their visual data.

Lattice Power Jiangxi

Series A in 2006
Lattice Power Jiangxi is a high-tech company based in Jiangxi, China, specializing in silicon-substrate epitaxy materials for GaN-based LEDs and in LED chips for general lighting, displays, LCD backlighting and industrial applications. It develops GaN-on-Si blue LEDs with silicon substrates and owns a suite of inventions and patents, including a three-pillar approach that combines sapphire, silicon carbide and silica substrates as part of its lighting technology. The company manufactures epitaxial wafers, chips, packaging and modules and provides GaN-on-Si power device materials for automotive and consumer electronics, aiming to improve performance, energy efficiency and miniaturization. It operates within the broader group led by Shunfeng International Clean Energy Limited.

Fultec Semiconductor

Series C in 2006
Fultec Semiconductor is a circuit protection semiconductor company based in Mountain View, California, founded in 2001. It specializes in producing transient blocking devices designed to safeguard telecommunication and data communication systems from over-voltage and over-current conditions. The company's products provide extensive bandwidth circuit protection against various electrical threats, including lightning strikes, power induction, power cross, and short circuit events. Fultec's offerings find applications across multiple sectors such as telecommunications, data communications, sensors, automotive, and power distribution. As of 2008, Fultec Semiconductor operates as a subsidiary of Bourns, Inc.

Inphi

Series D in 2005
Inphi Corporation is a provider of high-speed analog and mixed-signal semiconductor solutions, primarily serving the communications, data center, and computing markets in the United States. The company specializes in products that enhance data transmission capabilities, including amplifiers, encoders, multiplexers, and clock recovery devices, operating at speeds up to 100 Gbps. These solutions are integral to the functionality of servers, routers, switches, and storage systems, addressing bandwidth bottlenecks and optimizing throughput while minimizing latency. Inphi collaborates with system vendors to create proprietary simulation models that predict performance prior to semiconductor fabrication. The company's extensive product line also supports applications in test and measurement equipment and military radar systems. Inphi sells its products directly to original equipment manufacturers and indirectly through module manufacturers and original design manufacturers. Founded in 2000 and based in Sunnyvale, California, Inphi was previously known as TCom Communications, Inc. before rebranding in 2001.

Pixim

Venture Round in 2005
Pixim is a hardware company specializing in the development of advanced chipsets for video cameras. Its proprietary Digital Pixel System® technology transforms traditional imaging by allowing each pixel to function as an individual camera, continuously adjusting to varying highlights and lowlights within the same scene. This innovative approach enables Pixim's cameras to capture images with superior resolution, natural colors, and clarity, while effectively reducing visual noise such as glare and reflections. The company’s products include digital image sensors, processors, and software that cater to a wide range of applications, including security and video surveillance, network cameras, machine vision, and automotive systems. By providing high-quality imaging solutions, Pixim delivers accurate and actionable information, enhancing users' confidence in their visual data.

T-RAM Semiconductor

Series C in 2005
T-RAM Semiconductor is a fabless semiconductor company that specializes in memory products utilizing its proprietary Thin-Capacitively-Coupled-Thyristor (TCCT) technology. This innovative approach enables the production of memory cells that are significantly smaller—one-fourth to one-eighth the size—compared to traditional 6T-SRAM technology. By leveraging its TCCT technology, T-RAM Semiconductor aims to deliver higher density and lower-cost High Performance Synchronous SRAM solutions. These products are designed to meet the discrete and embedded memory requirements of high-performance computer servers, networking, and telecommunications sectors.

Inphi

Series C in 2004
Inphi Corporation is a provider of high-speed analog and mixed-signal semiconductor solutions, primarily serving the communications, data center, and computing markets in the United States. The company specializes in products that enhance data transmission capabilities, including amplifiers, encoders, multiplexers, and clock recovery devices, operating at speeds up to 100 Gbps. These solutions are integral to the functionality of servers, routers, switches, and storage systems, addressing bandwidth bottlenecks and optimizing throughput while minimizing latency. Inphi collaborates with system vendors to create proprietary simulation models that predict performance prior to semiconductor fabrication. The company's extensive product line also supports applications in test and measurement equipment and military radar systems. Inphi sells its products directly to original equipment manufacturers and indirectly through module manufacturers and original design manufacturers. Founded in 2000 and based in Sunnyvale, California, Inphi was previously known as TCom Communications, Inc. before rebranding in 2001.

Pixim

Series D in 2003
Pixim is a hardware company specializing in the development of advanced chipsets for video cameras. Its proprietary Digital Pixel System® technology transforms traditional imaging by allowing each pixel to function as an individual camera, continuously adjusting to varying highlights and lowlights within the same scene. This innovative approach enables Pixim's cameras to capture images with superior resolution, natural colors, and clarity, while effectively reducing visual noise such as glare and reflections. The company’s products include digital image sensors, processors, and software that cater to a wide range of applications, including security and video surveillance, network cameras, machine vision, and automotive systems. By providing high-quality imaging solutions, Pixim delivers accurate and actionable information, enhancing users' confidence in their visual data.

Inphi

Series B in 2002
Inphi Corporation is a provider of high-speed analog and mixed-signal semiconductor solutions, primarily serving the communications, data center, and computing markets in the United States. The company specializes in products that enhance data transmission capabilities, including amplifiers, encoders, multiplexers, and clock recovery devices, operating at speeds up to 100 Gbps. These solutions are integral to the functionality of servers, routers, switches, and storage systems, addressing bandwidth bottlenecks and optimizing throughput while minimizing latency. Inphi collaborates with system vendors to create proprietary simulation models that predict performance prior to semiconductor fabrication. The company's extensive product line also supports applications in test and measurement equipment and military radar systems. Inphi sells its products directly to original equipment manufacturers and indirectly through module manufacturers and original design manufacturers. Founded in 2000 and based in Sunnyvale, California, Inphi was previously known as TCom Communications, Inc. before rebranding in 2001.

Pixim

Series C in 2001
Pixim is a hardware company specializing in the development of advanced chipsets for video cameras. Its proprietary Digital Pixel System® technology transforms traditional imaging by allowing each pixel to function as an individual camera, continuously adjusting to varying highlights and lowlights within the same scene. This innovative approach enables Pixim's cameras to capture images with superior resolution, natural colors, and clarity, while effectively reducing visual noise such as glare and reflections. The company’s products include digital image sensors, processors, and software that cater to a wide range of applications, including security and video surveillance, network cameras, machine vision, and automotive systems. By providing high-quality imaging solutions, Pixim delivers accurate and actionable information, enhancing users' confidence in their visual data.

Clearwater Networks

Series B in 2001
Clearwater Networks (formerly XStream Logic) is developing the industry’s first single-processor packet processing solution capable of performing 7-layer packet processing at 10-Gigabit data rates. XStream’s family of network processors is targeted at solving the critical bottleneck in next-generation network infrastructure equipment: layers 4-7 packet processing. Edge and core routers, content-aware web switches, network attached storage devices, and other networking appliances all require the need to implement advanced services that are beyond the capability of existing semiconductor solutions. XStream ’s products are able to solve a wide variety of applications and advanced services using a simple, single-processor architecture that reduces system complexity and improves customers’ time to market.

Inphi

Series A in 2001
Inphi Corporation is a provider of high-speed analog and mixed-signal semiconductor solutions, primarily serving the communications, data center, and computing markets in the United States. The company specializes in products that enhance data transmission capabilities, including amplifiers, encoders, multiplexers, and clock recovery devices, operating at speeds up to 100 Gbps. These solutions are integral to the functionality of servers, routers, switches, and storage systems, addressing bandwidth bottlenecks and optimizing throughput while minimizing latency. Inphi collaborates with system vendors to create proprietary simulation models that predict performance prior to semiconductor fabrication. The company's extensive product line also supports applications in test and measurement equipment and military radar systems. Inphi sells its products directly to original equipment manufacturers and indirectly through module manufacturers and original design manufacturers. Founded in 2000 and based in Sunnyvale, California, Inphi was previously known as TCom Communications, Inc. before rebranding in 2001.

Pixim

Series B in 2000
Pixim is a hardware company specializing in the development of advanced chipsets for video cameras. Its proprietary Digital Pixel System® technology transforms traditional imaging by allowing each pixel to function as an individual camera, continuously adjusting to varying highlights and lowlights within the same scene. This innovative approach enables Pixim's cameras to capture images with superior resolution, natural colors, and clarity, while effectively reducing visual noise such as glare and reflections. The company’s products include digital image sensors, processors, and software that cater to a wide range of applications, including security and video surveillance, network cameras, machine vision, and automotive systems. By providing high-quality imaging solutions, Pixim delivers accurate and actionable information, enhancing users' confidence in their visual data.

T-RAM Semiconductor

Series A in 2000
T-RAM Semiconductor is a fabless semiconductor company that specializes in memory products utilizing its proprietary Thin-Capacitively-Coupled-Thyristor (TCCT) technology. This innovative approach enables the production of memory cells that are significantly smaller—one-fourth to one-eighth the size—compared to traditional 6T-SRAM technology. By leveraging its TCCT technology, T-RAM Semiconductor aims to deliver higher density and lower-cost High Performance Synchronous SRAM solutions. These products are designed to meet the discrete and embedded memory requirements of high-performance computer servers, networking, and telecommunications sectors.

Lightspeed Semiconductor

Venture Round in 2000
LightSpeed Semiconductor provides time-to-market, yield, manufacturability, and development expense advantages over cell implementation.

Excess Bandwidth

Series B in 2000
Excess Bandwidth Corp. specializes in the development of algorithms and high-performance integrated circuits designed for high-bandwidth communications. The company focuses on creating symmetrical digital subscriber line physical-layer chips and mixed signal semiconductors that facilitate the connection of Internet voice and data services across multiple devices using copper twisted-pair wires. Established in 1998, Excess Bandwidth is recognized for being the first to develop technology that complies with the G.shdsl/HDSL2 high-speed symmetric DSL specifications set by international standards bodies, allowing efficient transmission of high-speed voice and data over a single pair of wires. As a privately held entity, the company is funded through venture capital.

NewPort Communications

Series B in 2000
NewPort Communications is a supplier of mixed-signal integrated circuits for the high-speed communications market. The Company's business objective is to develop highly integrated single-chip solutions that enable economic scaling of the existing bandwidth capacity of today's fiber-based networks.

Clearwater Networks

Series A in 1999
Clearwater Networks (formerly XStream Logic) is developing the industry’s first single-processor packet processing solution capable of performing 7-layer packet processing at 10-Gigabit data rates. XStream’s family of network processors is targeted at solving the critical bottleneck in next-generation network infrastructure equipment: layers 4-7 packet processing. Edge and core routers, content-aware web switches, network attached storage devices, and other networking appliances all require the need to implement advanced services that are beyond the capability of existing semiconductor solutions. XStream ’s products are able to solve a wide variety of applications and advanced services using a simple, single-processor architecture that reduces system complexity and improves customers’ time to market.

Cypress Semiconductor

Venture Round in 1983
Cypress Semiconductor Corporation is a global leader in designing, developing, manufacturing, and marketing embedded system solutions with a focus on high-performance, mixed-signal, and programmable technologies. The company operates in two primary segments: the Microcontroller and Connectivity Division, which offers a wide range of solutions including microcontrollers, wireless connectivity, USB controllers, and capacitive sensing technologies; and the Memory Products Division, which specializes in various memory products such as NOR flash memories, SRAM, and specialty memory devices. Cypress Semiconductor serves diverse markets including automotive, industrial, consumer electronics, telecommunications, and medical applications. Its products facilitate the creation of innovative, differentiated electronic systems, helping engineers to accelerate their time to market. Cypress sells its offerings through a combination of direct sales, distributors, and manufacturing representative firms. Founded in 1982 and headquartered in San Jose, California, Cypress Semiconductor Corporation is a subsidiary of Infineon Technologies AG.

Linear Technology

Series A in 1981
Linear Technology specializes in designing and manufacturing high-performance analog semiconductors. Based in Milpitas, California, the company offers a wide range of integrated circuits for various industries, including communications, networking, industrial, automotive, computer, medical, instrumentation, military, and aerospace.

LSI Logic

Venture Round in 1981
LSI is a company that specializes in the design of software and semiconductors, focusing on enhancing storage and networking capabilities in data centers, mobile networks, and client computing environments. As a subsidiary of Avago Technologies, LSI contributes to a broad array of markets, including wireless communications and wired infrastructure. Additionally, LSI manages a venture capital fund based in San Jose, California, which invests in emerging sectors within the United States, particularly targeting areas such as software, communication, networking, and technology, media, and telecommunications. Through its diverse offerings, LSI plays a significant role in developing advanced technologies that support modern digital infrastructures.
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