Mitsubishi UFJ Capital

Mitsubishi UFJ Capital, established in 1974, is a Tokyo-based venture capital firm. It invests in early-stage companies, primarily in the Japanese market, focusing on sectors such as healthcare, biotech, information technology, and electronics. The firm also engages in investment syndication for Japanese deals. Mitsubishi UFJ Capital was previously known as Diamond Capital.

Nobuyoshi Fukumoto

Managing Director

Muneki Handa

President

Takashi Hasegawa

Managing Director and Head of Investment Group I

Masafumi Houshiyama

Deputy President

Junichi Masuda

Managing Director and Founder

Yasufumi Matsuda

Director and Executive Officer

Shinsuke Sakamoto

Deputy President

Fumio Sugasawa

Director and Executive Officer

Junichi Taguchi

Investment Director

Past deals in Electronics

Power Diamond Systems

Series A in 2025
Developer of semiconductor devices designed to contribute to realizing a sustainable energy society. The company specializes in research, development, design, manufacturing, and sales of electronic components such as diamond semiconductor elements, integrated circuits, and materials that make up them, enabling clients to commercialize ultra-compact and high-efficiency inverter modules based on diamond transistors and contribute to further energy conservation in an energy-saving society.

Nature

Series D in 2024
Nature, Inc., established in 2014 and headquartered in Tokyo, Japan, specializes in manufacturing and selling the Nature Remo, a smart device that transforms traditional room air conditioners into smart ones. The device, comprising a controller and a power plug, connects to home appliances via infrared and the internet, enabling users to control their air conditioners remotely, pre-cool spaces, and adjust temperature and humidity. It also includes sensors for temperature, humidity, motion, and illumination, and is compatible with voice control via smartphone apps and smart home devices like Google Home and Amazon Echo. By offering this simple, inexpensive, and easy-to-install device, Nature aims to improve consumer comfort and energy efficiency while reducing peak demand for utilities.

Nature

Venture Round in 2024
Nature, Inc., established in 2014 and headquartered in Tokyo, Japan, specializes in manufacturing and selling the Nature Remo, a smart device that transforms traditional room air conditioners into smart ones. The device, comprising a controller and a power plug, connects to home appliances via infrared and the internet, enabling users to control their air conditioners remotely, pre-cool spaces, and adjust temperature and humidity. It also includes sensors for temperature, humidity, motion, and illumination, and is compatible with voice control via smartphone apps and smart home devices like Google Home and Amazon Echo. By offering this simple, inexpensive, and easy-to-install device, Nature aims to improve consumer comfort and energy efficiency while reducing peak demand for utilities.

Thinker

Series A in 2023
Thinker provides sales of proximity sensors and proposed solutions using these products.

LINK-US

Series B in 2020
LINK-US, established in 2014 and headquartered in Yokohama, Japan, specializes in the design, manufacture, and contract sales of ultrasonic complex vibration bonding equipment. The company's portfolio includes devices that utilize ultrasonic combined vibration and powerful ultrasonic technology, catering to a broad spectrum of similar and dissimilar metal materials. LINK-US focuses on room temperature bonding technology, offering solutions for various industries.

Piezo Studio

Series A in 2019
Piezo Studio Inc. is a manufacturing company based in Sendai, Japan, specializing in the design, development, and pre-production of electronic devices. Founded in 2014, the company offers a range of products, including resonators, sensing devices, and material filters for low power wireless communications. In addition to its product offerings, Piezo Studio provides cut and polish services for crystals, as well as consulting and material evaluation services, enhancing its capabilities in material development. Through its comprehensive approach, the company aims to meet the diverse needs of the electronics market.

ProteanTecs

Series B in 2019
ProteanTecs Ltd. is a technology company that specializes in developing a cloud-based platform designed to enhance the performance and reliability of electronic systems. Founded in 2017 and headquartered in Haifa, Israel, with additional offices in Tel Aviv, Santa Clara, and Bridgewater, the company utilizes data from chip-embedded agents and machine learning techniques to predict faults before they manifest as failures. Its innovative solutions offer valuable insights across the entire value chain, benefiting chip vendors, system vendors, and digital service providers. ProteanTecs aims to significantly reduce defects per million (DPPM), improve yield, facilitate predictive maintenance, and optimize product introduction, thereby making electronic systems more predictable and reliable.

Photo electron Soul

Venture Round in 2019
Photo Electron Soul Inc. is a Japanese company founded in July 2015 and headquartered in Nagoya. The organization specializes in the development and management of photocathode electron beam systems, utilizing advanced semiconductor photocathode technology. Its innovative electron beam generating apparatus is designed to produce next-generation electron beams characterized by high performance and versatility, including varied pulse structures, low dispersion, and large current capacities. By enhancing the capabilities of electron beams, essential components for industrial applications such as electron microscopes, semiconductor manufacturing and inspection equipment, and metal 3D printers, Photo Electron Soul aims to facilitate fine observation and processing while improving throughput. The company's technological advancements open up new possibilities across various fields, including science, materials, and electronics.

LINK-US

Venture Round in 2018
LINK-US, established in 2014 and headquartered in Yokohama, Japan, specializes in the design, manufacture, and contract sales of ultrasonic complex vibration bonding equipment. The company's portfolio includes devices that utilize ultrasonic combined vibration and powerful ultrasonic technology, catering to a broad spectrum of similar and dissimilar metal materials. LINK-US focuses on room temperature bonding technology, offering solutions for various industries.

Halio

Series C in 2017
Halio is a manufacturer of advanced smart-tinting glass that dynamically responds to changing light conditions, transforming architectural elements such as windows, walls, and skylights. The company's technology allows the glass to transition from clear to tinted or dark, either automatically or on command, enhancing the efficiency and aesthetics of buildings and homes. Halio's glass tints up to ten times faster than traditional electrochromic glass, providing uniform tinting without color distortion. This innovation not only offers shade and glare relief but also allows for unlimited tint level options, resulting in unprecedented comfort and control over indoor environments. Additionally, Halio's software and hardware controls seamlessly integrate with building management systems, while its manufacturing techniques ensure reliable on-time deliveries, aligning with industry standards. Overall, Halio aims to enhance the living and working experience through its cutting-edge glass solutions.

Future Ink

Venture Round in 2016
Future Ink Corporation, founded in 2016 and based in Yonezawa, Japan, specializes in the development, manufacturing, and marketing of printed electronics and related products. The company produces innovative printable film sensors that can be seamlessly integrated into various designs, offering practical solutions to everyday challenges. Future Ink focuses on creating sensor devices that facilitate communication and enhance the well-being of vulnerable populations, including the elderly, individuals with disabilities, and infants. By providing valuable information about users' health and environment, these devices aim to alleviate the invisible stresses of modern life and help users regain their vitality. In addition to its core manufacturing and sales activities, Future Ink engages in the design, prototyping, and development of medical equipment, while also assessing the performance of electronic devices and materials through its consignment services.

SoundFun

Series A in 2016
SoundFun Inc. is a Tokyo-based company established in 2013 that specializes in the manufacturing and marketing of speakers. The company aims to provide sound solutions that prioritize safety, security, and comfort for users around the world. By focusing on high-quality audio experiences, SoundFun seeks to enhance the way individuals interact with sound in various environments.

Ribbon Display Japan

Seed Round in 2015
Ribbon Display Japan Co., Ltd. is a Kyoto-based company that specializes in the planning, development, and sale of liquid-crystal display (LCD) driver products. It operates within the semiconductor manufacturing industry, focusing on revitalizing the sector through the provision of contract development services and consulting. The company also engages in the development of test programs for large structure inspection testers. By delivering high-quality products at competitive prices, Ribbon Display Japan aims to effectively compete with international rivals in the LCD driver market.

Siglead

Venture Round in 2011
Siglead Inc. is a technology company based in Yokohama, Japan, founded in 2007, focusing on the research and development of signal processing algorithms, particularly for solid-state drives (SSDs) and NAND flash memory. The company specializes in developing error correction methods and SSD controller large-scale integration (LSI) units, enhancing the reliability and performance of SSDs. Siglead also offers a range of products, including the SigNAS series of NAND flash memory testers, which incorporate advanced evaluation and error analysis technologies. By leveraging its unique architecture, Siglead enables enterprises to optimize communication speeds and support various generations of NAND flash memory, addressing the challenges posed by the short product cycles in the industry. Additionally, the company is engaged in the design and sale of intellectual property related to signal processing.

Cambrios Technologies

Series D in 2009
Cambrios Technologies Corporation is a manufacturer of innovative electronic materials specializing in silver nanowire-based electrodes. Founded in 2002 and originally named Semzyme, Inc., the company rebranded in August 2004. Headquartered in Sunnyvale, California, with additional offices in Japan and Taiwan, Cambrios develops products such as ClearOhm, which are transparent conductive coatings that can be applied to various substrates for multiple applications. These include touch screens, liquid crystal displays, e-paper, OLED devices, and lighting, as well as thin film photovoltaics like organic photovoltaics and printed organic solar cells. Cambrios's technology enables simplified manufacturing processes and enhances the performance of next-generation consumer devices.

Cswitch

Series B in 2006
Cswitch specializes in developing system-on-a-chip semiconductors tailored for networking-based platforms. Founded by a team of experienced semiconductor executives, the company leverages their extensive background in advanced processors and ASIC development to create innovative configurable solutions. In addition to semiconductors, Cswitch provides design tools for configurable switch array devices and offers development and validation boards that facilitate the design and verification of various networking applications. Their focus spans multiple markets, including networking, telecommunications, storage, and wireless base stations, enabling them to address a wide range of industry needs.
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