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 CleanTech

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.

Mjolnir Spaceworks

Series A in 2025
Manufacturer of hybrid rocket engines and propellant tanks designed for mass production of rockets. The company's platform uses solid plastic fuel and a liquid oxidizer, which is extremely safe and simple, enabling significant cost reduction and mass production, enabling consumers to experience the wonders of space travel and creating an era in which anyone can go to space.

Green Carbon

Venture Round in 2024
Green Carbon is an environmental technology company that specializes in reducing greenhouse gas emissions. It operates a carbon credit trading platform, facilitating the creation, registration, and sale of carbon credits derived from nature-based projects worldwide. The company's portfolio spans various sectors, including CO2 and methane gas reduction, agriculture-related, and environmental projects. Additionally, Green Carbon provides environmental research and development, as well as ESG consulting services, helping industries minimize their environmental impact and promote sustainable development.

Emulsion Flow Technologies

Series B in 2024
Emulsion Flow Technologies is an environmental management company focused on rare metal recycling and the separation and purification of substances. The company has developed a solvent extraction method that aims to enhance the efficiency of these processes. By offering advanced technology tailored for the rare metal recycling industry, Emulsion Flow Technologies enables businesses to improve productivity, enhance the working environment, and increase both separation and purification capacities. Additionally, their innovations contribute to reducing the environmental impact associated with these operations.

Albatross Technology

Series A in 2023
Albatross Technology is a technology company focused on the development and manufacturing of offshore renewable energy devices. The company specializes in floating vertical axis wind turbines, tidal and ocean current turbines, and wave turbines. Its innovative floating vertical axis wind turbine is designed to be a large and efficient solution, aimed at significantly lowering both equipment and maintenance costs. The technology is engineered to withstand severe environmental conditions such as typhoons, earthquakes, and tsunamis, thereby enhancing its reliability. By industrializing ocean renewable energy resources, Albatross Technology enables companies to reduce power generation costs and contribute to a more sustainable energy future.

EX-Fusion

Seed Round in 2023
EX-Fusion is focused on developing and operating the world's first laser-powered commercial nuclear fusion reactor, aiming to provide sustainable energy solutions. The company specializes in manufacturing continuous plasma generators and offers technology for fusion systems, alongside conducting laser-plasma research. This initiative addresses the limitations of traditional government-funded fusion research, which often faces delays due to political and budgetary constraints. By pursuing an independent approach to fusion technology, EX-Fusion seeks to advance the practical application of laser fusion reactors, potentially revolutionizing the energy sector.

Emulsion Flow Technologies

Series A in 2022
Emulsion Flow Technologies is an environmental management company focused on rare metal recycling and the separation and purification of substances. The company has developed a solvent extraction method that aims to enhance the efficiency of these processes. By offering advanced technology tailored for the rare metal recycling industry, Emulsion Flow Technologies enables businesses to improve productivity, enhance the working environment, and increase both separation and purification capacities. Additionally, their innovations contribute to reducing the environmental impact associated with these operations.

Regional Fish

Series B in 2022
Regional Fish Inc., founded in 2019 and based in Kyoto, Japan, specializes in the development of advanced breeding technologies for fish using genome editing and artificial intelligence. The company focuses on creating sustainable land-based aquaculture systems that minimize environmental impact, utilizing clean energy and organic waste nitrogen. By leveraging high-speed breeding techniques, Regional Fish aims to enhance the efficiency of the fisheries industry while promoting natural evolution. Through its innovative approach, the company seeks to transform the aquatic industry and provide consumers with genome-edited food options.

Tsubame BHB

Funding Round in 2020
Tsubame BHB Co., Ltd., founded in 2017 and based in Tokyo, Japan, specializes in the research, development, and manufacturing of on-site ammonia production systems and catalysts. The company aims to commercialize ammonia production using an innovative electride catalyst in small-scale plants. This technology addresses critical environmental and food-related issues while promoting sustainability. By enabling on-site ammonia synthesis under flexible conditions, Tsubame BHB helps clients lower their transportation and storage costs, contributing to a more efficient and sustainable ammonia supply chain.

Regional Fish

Series A in 2020
Regional Fish Inc., founded in 2019 and based in Kyoto, Japan, specializes in the development of advanced breeding technologies for fish using genome editing and artificial intelligence. The company focuses on creating sustainable land-based aquaculture systems that minimize environmental impact, utilizing clean energy and organic waste nitrogen. By leveraging high-speed breeding techniques, Regional Fish aims to enhance the efficiency of the fisheries industry while promoting natural evolution. Through its innovative approach, the company seeks to transform the aquatic industry and provide consumers with genome-edited food options.

Y’s Global Vision

Venture Round in 2018
Y’s Global Vision is a planning, development, manufacturing and sales of eco and environmental products.

eSep

Venture Round in 2017
eSep, Inc. specializes in the design, development, and sale of membrane-based separation technology, primarily focusing on microporous ceramic membranes, including zeolite and silica membranes. The company also offers membrane reactors and process simulation services. Based in Kyoto, Japan, eSep's technology aims to streamline processes and significantly lower energy consumption in the chemical and petroleum industries. By providing innovative inorganic membrane separation solutions and related equipment, eSep enables clients to achieve more efficient and environmentally friendly operations.

Looop

Venture Round in 2017
Looop Inc. is a renewable energy company based in Tokyo, Japan, specializing in the construction, development, and maintenance of solar power generation systems. Founded in 2011, Looop provides services that encompass the entire value chain, including the development, sales, and operation of photovoltaic power stations. By owning and managing the processes involved in solar energy production, the company aims to lower costs and promote sustainable living. Looop's offerings facilitate a seamless transition for customers looking to adopt renewable energy solutions, thereby contributing to the growth of the solar energy sector.

GLM

Venture Round in 2015
GLM Co., Ltd. is a Kyoto-based company established in 2010 that specializes in the development and manufacturing of electric vehicles. Committed to fostering a low-carbon society, GLM designs its electric cars with customizable chassis and a versatile electric vehicle system. This system integrates various components, including motors, inverters, battery modules, and vehicle control units, aiming to deliver an engaging driving experience for users.

Exergy Power Systems

Seed Round in 2013
Exergy Power Systems is focused on developing, producing, and providing energy storage systems that make use of its uniquely developed hydrogen cells, which have ultrafast charging and discharging properties, as well as enhanced durability.

GLM

Venture Round in 2013
GLM Co., Ltd. is a Kyoto-based company established in 2010 that specializes in the development and manufacturing of electric vehicles. Committed to fostering a low-carbon society, GLM designs its electric cars with customizable chassis and a versatile electric vehicle system. This system integrates various components, including motors, inverters, battery modules, and vehicle control units, aiming to deliver an engaging driving experience for users.

Micropelt

Venture Round in 2012
Micropelt is a startup that emerged from a collaborative project between Infineon Technologies AG and the Fraunhofer Institute for Physical Measurement Techniques in Germany. The company specializes in developing thin film thermoelectric components through semiconductor manufacturing processes. Micropelt focuses on creating energy-harvesting systems that integrate micro-actuators and sensors. Its product offerings include thermoelectric cooling chips and thermoelectric generators designed for various applications, such as chip spot cooling, biomedical devices, heating, ventilation, and air conditioning systems, as well as fiber optics. These innovations aim to facilitate effective temperature management in individual rooms while contributing to CO2 reduction and enhancing user comfort. The company has secured funding from several financial institutions, enabling its growth and development within the thin-film technology sector.

NABLA Mobility

NABLA Mobility specializes in developing a smart navigation system for aviation, aimed at enhancing flight trajectories and settings through an adaptive advisory tool. The company's solution addresses the uncertainties present in flight conditions by leveraging artificial intelligence and machine learning in its data platform and optimization algorithms. This innovative approach not only improves operational efficiency for airlines but also plays a significant role in decarbonizing the aviation industry. By providing advanced technical tools, NABLA Mobility enables clients to streamline their operations and reduce their environmental impact, contributing to a more sustainable future for air travel.
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