Mitsui & Company, a global general trading company, specializes in a wide array of businesses. It procures, supplies, and trades diverse products, including iron and steel, minerals, metals, and chemicals, both domestically and internationally. The company also invests in and develops processing, distribution, and social infrastructure projects. Additionally, Mitsui & Company provides financing, leasing, and logistics services for machinery and equipment, and engages in retail support, real estate, and healthcare businesses. Through its global network, the company contributes to the stable supply of resources, materials, and energy, while also addressing environmental issues and adapting to changing consumer needs.
1-3, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8631, Japan
Hirotatsu Fujiwara
Board Member and Executive Vice President
Hiroshi Kakiuchi
Executive Managing Officer, President of Mitsui and Co. (Thailand) Ltd and President of Mitsiam International, Limited
Shoei Utsuda
Chairman of the Board of Directors
Past deals in Japan
Ceva Santé Animale
Private Equity Round in 2025
Ceva Sante Animale S.A. engages in the research, development, production, and marketing of pharmaceutical products and vaccines for companion and farm animals. They work with welfare and social programmes around the world to bring this vision to life – anywhere their products and know-how can make a difference and with all kinds of partners. From Uganda, working with small-scale livestock owners and vets to stop sleeping sickness in its tracks, to the UK and USA, where they supply the biggest animal welfare charities with Adaptil® collars to help re-home shelter dogs.
FRD Japan
Venture Round in 2023
FRD Japan is a land-based aquaculture company founded in 2013 and headquartered in Saitama, Japan. The company focuses on promoting sustainable aquaculture practices that do not rely on natural seawater or groundwater. FRD Japan employs a unique biofiltration technology that utilizes bacteria to efficiently circulate 100% of tap water, minimizing water exchange in the aquaculture process. This innovative approach supports the cultivation of salmon and aims to provide a sustainable alternative to traditional sea-based aquaculture. By leveraging its advanced filtration system, FRD Japan is committed to revolutionizing the aquaculture industry while addressing environmental concerns.
Kyoto Fusioneering
Series C in 2023
Kyoto Fusioneering is a privately funded technology start-up established in 2019 and based in Kyoto, Japan. The company specializes in developing advanced technologies for commercial fusion reactors, including gyrotron systems, tritium fuel cycle technologies, and breeding blankets for tritium production and power generation. By providing innovative solutions such as liquid metal and molten salt systems, as well as tritium treatment and high-frequency microwave gyrotrons, Kyoto Fusioneering aims to support both public and private fusion developers globally. The company's efforts contribute to the acceleration of fusion energy as a sustainable and carbon-free power source for the future.
LayerX
Series A in 2023
LayerX Inc., founded in 2018 and based in Tokyo, Japan, specializes in blockchain consulting and planning services aimed at promoting the digitization of business processes for large corporations and government agencies. As a subsidiary of AnyPay Inc. and Gunosy Inc., LayerX offers a range of services including technical consulting, empirical research, and the development of a cryptocurrency mining platform. The company also produces reports that analyze various case studies and the latest trends in blockchain technology, enabling businesses to automate and manage diverse tasks and processes effectively.
PowerX
Series A in 2022
PowerX brings power transfer technology to life, allowing for greater usage of renewable energy sources. PowerX was founded on March 22, 2021 and is located in Tokyo, Japan.
Terra Drone
Series B in 2022
Terra Drone, based in Tokyo, is a manufacturer of drones and software that offers a variety of drone services, including civil engineering surveying, mine surveying, and facility inspections. The company provides industrial drone services such as aerial photography, data analysis, and operation management, both within Japan and internationally. Terra Drone specializes in inspecting complex job sites in sectors like construction, oil and gas extraction, and agriculture. By leveraging advanced drone technology, the company enables clients to efficiently collect, analyze, and interpret data related to significant infrastructural projects, thereby enhancing operational effectiveness and safety.
Allm
Series A in 2021
Allm Inc. is a medical ICT company based in Tokyo, Japan, that focuses on enhancing healthcare communication through advanced technologies. Founded in 2001, Allm offers a variety of applications designed to facilitate communication among healthcare professionals, including Kaigo for home care workers, Kango for home care nurses, and MySOS for first-aid support and medical record management. Additionally, the company provides AcaMed, an online community aimed at advancing medical research, and FollowUP, a business intelligence system for real-time management information. Allm's solutions are utilized in over 18 countries across regions such as the US, South America, Europe, Japan, the Middle East, and Africa, contributing to improved efficiency and quality of care in community healthcare systems. The company, formerly known as SkillUpJapan Corp., rebranded to Allm Inc. in January 2015 and operates several subsidiaries globally.
Bulk Homme
Corporate Round in 2020
BULK HOMME Co., Ltd. is a Tokyo-based company specializing in men's skincare products. Established in 2013, it offers a diverse range of items, including face washes, toners, face masks, sunscreens, body washes, serums, hand gel creams, and lip balms. The brand focuses on delivering both immediate and long-term benefits through its carefully developed products, which undergo extensive research and development to ensure they cater to men's specific skincare needs. BULK HOMME sells its products through physical retail stores and online platforms, providing accessible solutions for men's daily skincare routines.
AdInte
Venture Round in 2020
AdInte provides online and o2o advertisement solution which focus on mobile internet in Japan and South Korea.
Ceva Santé Animale
Venture Round in 2020
Ceva Sante Animale S.A. engages in the research, development, production, and marketing of pharmaceutical products and vaccines for companion and farm animals. They work with welfare and social programmes around the world to bring this vision to life – anywhere their products and know-how can make a difference and with all kinds of partners. From Uganda, working with small-scale livestock owners and vets to stop sleeping sickness in its tracks, to the UK and USA, where they supply the biggest animal welfare charities with Adaptil® collars to help re-home shelter dogs.
GRID
Venture Round in 2019
GRID is a Japanese technology company which develops the AI framework "ReNom". We focus on enhancing social infrastructure under the mission "INFRASTRUCTURE + LIFE + INNOVATION". Specifically, we intend to deploy AI services using our in-house developed AI technology for "social infrastructure" such as operation optimization of plant, operational improvement of power plant, failure detection for manufacturing line in various business verticals including natural resources, traffic management, manufacture, medical and finance.
LeapMind
Series C in 2019
LeapMind Inc. is a Tokyo-based company founded in 2012 that specializes in hardware architecture and platforms for deep learning applications. The company focuses on making deep learning technology compact and accessible, particularly within the evolving Internet of Things (IoT) sector. LeapMind has developed its own algorithms and innovative chip architectures that enhance the accuracy of neural network models while reducing the computational complexity necessary for implementation in small computing environments. This approach enables the use of advanced deep learning capabilities in devices with limited power and memory, facilitating advancements in both the IoT and robotics industries.
Digital Asset Markets
Seed Round in 2019
Digital Asset Markets, Inc., founded in 2018 and headquartered in Tokyo, Japan, operates within the cryptography industry as a subsidiary of Intertrade Co., Ltd. The company focuses on modernizing capital markets through Real-World Asset (RWA) tokenization, complying with the Financial Services Agency of Japan's regulations. Digital Asset Markets facilitates the ownership, management, and trading of RWA tokens, including "Zipangcoin," a commodity asset-backed token. The firm operates as a Virtual Asset Service Provider (VASP) and collaborates with other VASPs for RWA token distribution. Additionally, it offers a data preservation service called "Digital Shelter," which incorporates quantum computer cryptanalysis resistance features. Digital Asset Markets also plans to develop new business opportunities leveraging the data structures managed by Digital Shelter. The company attracts funding from various banks and securities firms in Japan, with numerous undisclosed investors, including notable names in the financial sector.
Legoliss
Acquisition in 2019
Legoliss Inc., established in 2015 and based in Shibuya-ku, Japan, specializes in data-driven marketing services. The company assists businesses in managing and analyzing large volumes of operational data, providing data analysis and utilization support, and offering data management platforms for storage and analysis. Legoliss also delivers marketing strategies and collaborates with partners to discover innovative ad tech solutions. As of 2019, it operates as a subsidiary of Mitsui & Co., Ltd.
Rei-Frontier
Corporate Round in 2019
Rei-Frontier, established in 2008 and headquartered in Taito-ku, Tokyo, specializes in developing mobile applications that leverage augmented reality technology. Their flagship product, Lalacolle, is an augmented reality location-based social network with integrated gaming elements.
Owndays
Private Equity Round in 2018
Owndays, established in 1989, is a Japanese eyewear company specializing in the design, manufacture, and marketing of fashion glasses and sunglasses. Headquartered in Shinagawa, Tokyo, the company operates a Single Point Account (SPA) system, managing all aspects of the process in-house.
AGRIGATE
Venture Round in 2018
Agrigate Co., Ltd., established in 2010 and headquartered in Tokyo, Japan, is engaged in the production, sales, and distribution of agricultural products, primarily fruits and vegetables. The company operates its stores within Japan and offers a range of business services to the agriculture industry, including purchasing, distribution, manufacturing, and sales. Additionally, Agrigate provides human resource services, leveraging IT to enhance labor productivity by digitally tracking operations from purchasing to sales in the production area.
Organ Technologies
Venture Round in 2018
Organ Technologies Inc. specializes in the manufacture, sale, import, and export of pharmaceuticals and materials for regenerative medicine. The company also offers contract manufacturing services for therapeutic cells, tissues, and organs, as well as medical and industrial equipment. Its research and development efforts focus on transplantation and regenerative medicine technologies. Key projects include the development of three-dimensional human artificial skin, hair regeneration treatments, dental regenerative medicine, and a three-dimensional organ culture system. Founded in 2008 and based in Tokyo, Japan, Organ Technologies aims to advance global health and welfare through innovative bio-engineering technologies that replicate the functionality of natural organs.
Medcare
Series A in 2018
MEDCARE, Inc. is a healthcare technology company based in Tokyo, Japan, that specializes in telemedicine services aimed at health insurance associations. The company's platform, DoctorsCrowd, focuses on addressing lifestyle-related diseases by providing patients with access to a variety of digital health tools. These services include online medical consultations, meal guidance, motion monitoring, mental health support, and risk score reports. By leveraging smartphones and wearable devices, MEDCARE enables patients to engage in preventive care and optimize their health management, ultimately aiming to transform the traditional healthcare model into a more proactive system.
Plaid
Venture Round in 2018
Plaid, Inc. is a Tokyo-based company that develops and operates KARTE, a cloud-based customer experience platform designed to enhance customer interactions on websites and applications. Founded in 2011, the platform analyzes user behavior to facilitate personalized communication with customers. In addition to its primary offering, Plaid engages in the planning and management of specialized media, including EC-focused media called Shopping Tribe and customer experience-oriented media known as XD. The company's services cater to a diverse range of industries, including finance, insurance, human resources, retail, real estate, IT, media, travel, manufacturing, healthcare, and education. By leveraging data analysis, Plaid aims to optimize customer engagement and streamline communication strategies for its clients.
Connectec Japan
Corporate Round in 2018
Connectec Japan Corporation specializes in the development and provision of semiconductor and electrical products. Founded in 2009 and headquartered in Myoko, Japan, the company offers foundry services for semiconductor packaging, along with technical support for surface-mount technology (SMT). Additionally, it provides evaluation, analysis, and reliability testing services. Connectec Japan is recognized for its expertise in semiconductor chip bonding and low-temperature MEMS chips, as well as small desktop semiconductor assembly equipment. The company also supports device bonding on low-heat-resistant substrates and facilitates prototype development. With a satellite office in Kyoto and sales offices in Seoul, Korea, and Suzhou, China, Connectec Japan serves a diverse clientele across various industrial applications.
FOLIO
Venture Round in 2018
FOLIO Co., Ltd., based in Tokyo, Japan, operates a web-based asset management platform that simplifies the investment process through the use of artificial intelligence. The platform allows users to diversify their investments by selecting specific themes and provides tools for both active and passive stock traders to manage their personal trading securities. By enabling investors to engage with multiple companies, FOLIO helps users mitigate risks associated with stock price fluctuations, making asset management more accessible and efficient.
Preferred Networks
Venture Round in 2017
Preferred Networks, Inc. is a software development company based in Tokyo, Japan, founded in 2014. It specializes in real-time machine learning technologies and develops applications for the Internet of Things, focusing on deep learning, robotics, and data analytics. The company serves various sectors, including transportation systems, manufacturing, bio-healthcare, retail, automobile, healthcare, advertising, life sciences, public safety, network security, and public transportation. Preferred Networks integrates data from the physical and digital worlds to create advanced solutions for autonomous driving, machine tools, robotics, and medical diagnosis. Additionally, the company has a subsidiary in Burlingame, California, which supports its international operations.
AZAPA
Venture Round in 2017
AZAPA Engineering, founded in 2008 and based in Nagoya, Aichi Prefecture, Japan, specializes in the automotive industry, offering advanced engineering services and strategic process methods tailored for automobile development. The company focuses on enhancing system performance architecture through model-based automotive technology, which connects various subsystems to improve energy and motion performance. In addition to its automotive initiatives, AZAPA engages in diverse sectors including energy, information technology, and communication, aiming to optimize renewable energy and explore new communication technologies via mobility management. The firm is committed to leveraging advanced technology and innovative ideas to foster peace and abundance, particularly targeting the base of the pyramid market.
FRD Japan
Venture Round in 2017
FRD Japan is a land-based aquaculture company founded in 2013 and headquartered in Saitama, Japan. The company focuses on promoting sustainable aquaculture practices that do not rely on natural seawater or groundwater. FRD Japan employs a unique biofiltration technology that utilizes bacteria to efficiently circulate 100% of tap water, minimizing water exchange in the aquaculture process. This innovative approach supports the cultivation of salmon and aims to provide a sustainable alternative to traditional sea-based aquaculture. By leveraging its advanced filtration system, FRD Japan is committed to revolutionizing the aquaculture industry while addressing environmental concerns.
FRD Japan
Acquisition in 2017
FRD Japan is a land-based aquaculture company founded in 2013 and headquartered in Saitama, Japan. The company focuses on promoting sustainable aquaculture practices that do not rely on natural seawater or groundwater. FRD Japan employs a unique biofiltration technology that utilizes bacteria to efficiently circulate 100% of tap water, minimizing water exchange in the aquaculture process. This innovative approach supports the cultivation of salmon and aims to provide a sustainable alternative to traditional sea-based aquaculture. By leveraging its advanced filtration system, FRD Japan is committed to revolutionizing the aquaculture industry while addressing environmental concerns.
GRID
Corporate Round in 2017
GRID is a Japanese technology company which develops the AI framework "ReNom". We focus on enhancing social infrastructure under the mission "INFRASTRUCTURE + LIFE + INNOVATION". Specifically, we intend to deploy AI services using our in-house developed AI technology for "social infrastructure" such as operation optimization of plant, operational improvement of power plant, failure detection for manufacturing line in various business verticals including natural resources, traffic management, manufacture, medical and finance.
Renoveru
Venture Round in 2017
Renoveru is a Japanese real estate startup established in 2010 and based in Tokyo. The company specializes in assisting consumers with the purchase of existing homes or second-hand flats by offering both online and offline renovation plans. Renoveru provides an online tool that facilitates the sharing of renovation plans and images among homebuilders, carpenters, construction supervisors, and architects. Additionally, through its subsidiary, Renoveru offers a distribution service for construction materials and equipment. The company's services encompass project planning, design, and construction, aiming to deliver refurbished houses at lower costs compared to new homes.
Connectec Japan
Venture Round in 2017
Connectec Japan Corporation specializes in the development and provision of semiconductor and electrical products. Founded in 2009 and headquartered in Myoko, Japan, the company offers foundry services for semiconductor packaging, along with technical support for surface-mount technology (SMT). Additionally, it provides evaluation, analysis, and reliability testing services. Connectec Japan is recognized for its expertise in semiconductor chip bonding and low-temperature MEMS chips, as well as small desktop semiconductor assembly equipment. The company also supports device bonding on low-heat-resistant substrates and facilitates prototype development. With a satellite office in Kyoto and sales offices in Seoul, Korea, and Suzhou, China, Connectec Japan serves a diverse clientele across various industrial applications.
SORACOM
Series B in 2016
SORACOM is a Tokyo-based company that specializes in providing an Internet of Things (IoT) platform designed to facilitate data communication for IoT and M2M (machine-to-machine) devices. The platform leverages scalable cloud technologies running on Amazon Web Services, enabling IoT solution developers to efficiently deploy and enhance their services while accommodating a variety of needs through flexible and customizable options. SORACOM enhances the security and reliability of data transfer across numerous devices and custom protocols, significantly reducing both time-to-market and costs associated with IoT services. Key offerings include SORACOM Air, which provides mobile data communication for IoT devices through its "Air SIM," allowing users to manage settings and monitor data traffic via a web console or API. Additionally, SORACOM Beam enables secure offloading of data from IoT devices to the cloud, ensuring high encryption and remote management capabilities without direct Internet exposure. Since its official launch in September 2015, SORACOM has positioned itself as a comprehensive provider of IoT solutions.
Mercari
Series D in 2016
Mercari, Inc. is a leading marketplace application operating in Japan, the United States, and the United Kingdom. Founded in 2013 and based in Tokyo, the company facilitates the buying and selling of new and used items, including electronics, clothing, and books, through its user-friendly mobile platform. Mercari has gained significant traction, with over 100 million downloads and a strong presence as one of the largest peer-to-peer selling platforms globally. In Japan, it dominates the consumer-to-consumer (C2C) marketplace, holding over 70% of the market share and reporting more than 22 million monthly active users. In fiscal year 2022, the application recorded a gross merchandise value of over JPY 893 billion, with the domestic segment contributing over 95% of its total GMV. Furthermore, Mercari is involved in the development and management of internet services, enhancing its position as a comprehensive solution for consumers looking to engage in the second-hand goods market.
Tokyo Otaku Mode
Venture Round in 2015
Tokyo Otaku Mode Inc. is a platform dedicated to Japanese otaku culture, providing a wide array of content including news, event reports, and user-generated contributions related to anime, manga, and cosplay. Founded in 2011 and headquartered in Portland, Oregon, with a branch in Mitaka-shi, Japan, the company operates the website otakumode.com, which features English-language articles on otaku topics and showcases artwork and photos from fans. Tokyo Otaku Mode also supports creators by promoting their works globally, offering services such as English translation and international portfolios. In addition, the company runs an e-commerce site that facilitates access to Japanese pop culture merchandise for fans around the world, thereby bridging the gap between Japan's otaku goods and international enthusiasts. The brand enjoys a significant following, with over 10 million fans on its Facebook page, solidifying its position as a key player in the global dissemination of Japanese pop culture.
Uhuru
Corporate Round in 2015
Uhuru Corporation is a technology service company based in Tokyo, Japan, founded in 2006. It specializes in providing Internet of Things (IoT) products and solutions, alongside cloud computing and integration services. The company offers a range of services, including IoT consulting, system integration, data analytics development, and creative services. It focuses on promoting digital transformation for businesses by developing cloud systems and providing consulting for marketing activities. Uhuru collaborates with various companies to enhance their operational efficiency through integrated services, encompassing salesforce CRM solutions and support for social media operations.
RareJob
Post in 2015
RareJob is a Japan-based online platform specializing in English language learning services for individuals, corporations, and educational institutions. Operating from Shibuya, the company focuses on delivering tailored educational solutions that meet diverse client needs. Its offerings include personalized lessons and comprehensive support aimed at enhancing English proficiency. RareJob is dedicated to improving communication skills through an accessible and flexible online learning environment.
Genesis Healthcare
Venture Round in 2015
Genesis Healthcare Co. is a privately-owned genetic testing and research company founded in 2004 and headquartered in Tokyo, Japan, with additional offices in Singapore and Taiwan. The company is recognized as a market leader in consumer genetics in Japan, offering its services under the brand "GeneLife." Genesis Healthcare possesses the largest genetic database in Japan and Asia, encompassing over 988,000 individuals and more than 1,500 diseases. The company utilizes advanced technologies such as PCR, Microarray, and NGS for research and clinically validated genetic testing services. In addition to its commercial offerings, Genesis Healthcare collaborates with government agencies to establish genetic testing guidelines, ensuring accuracy and the protection of individuals' genetic information. By promoting preventive healthcare through genetic testing, Genesis Healthcare aims to enhance public health outcomes across Southeast Asia.
QD Laser
Venture Round in 2009
QD Laser, Inc. specializes in the development and manufacturing of quantum dot semiconductor lasers and wafers, primarily using GaAs substrates. The company produces a variety of laser technologies, including picosecond short-pulse DFB lasers for precision processing and current injection-type lasers in green, yellow-green, and orange for biological applications. Additionally, QD Laser develops quantum dot laser arrays for silicon optical circuits and broadband gain chips for ophthalmic testing equipment. Their products are utilized in diverse sectors such as telecommunications, manufacturing, medicine, and consumer products, addressing applications in silicon photonics, sensing, and precision machining. Established in 2006 and headquartered in Kawasaki, Japan, QD Laser aims to enhance the performance of semiconductor lasers across various industries.
Frontier Silicon
Venture Round in 2007
Frontier Silicon Limited is a fabless semiconductor company that specializes in the development and supply of semiconductor, module, and software solutions tailored for digital radio and connected audio systems. The company provides a range of products, including digital audio processors, radio tuner modules, and platforms for connected audio and Internet radio. Additionally, it offers various receivers, such as DAB/FM/WiFi radios and portable devices, alongside software solutions like the Internet radio enhanced user interface. Established in 2001 and headquartered in Watford, United Kingdom, Frontier Silicon also operates in Cambridge, Dublin, Shannon, and Hong Kong, serving markets in China, Hong Kong, Japan, the United Kingdom, and the United States.
MonotaRO
Venture Round in 2001
MonotaRO Co., Ltd. is a Japanese e-commerce company that specializes in the sale of maintenance, repair, and operations (MRO) products. Established in 2000 and headquartered in Amagasaki, Japan, the company serves a wide range of industries, including manufacturing, construction, and automotive, through its online platform. MonotaRO operates not only in Japan but also in Korea, China, Indonesia, and other international markets. Originally known as Sumisho Grainger Co., Ltd., the company rebranded in February 2006 to better reflect its focus on industrial supply products.
Beenos Partners
Venture Round in 2000
Beenos Partners is a Tokyo-based venture capital firm founded in 1999, originally established as NetPrice.com, an eCommerce service provider. The company transitioned from its initial focus to a broader role in the startup ecosystem, offering incubation and support through its in-house team of experienced entrepreneurs and specialists. Beenos Partners aims to assist startups in various sectors, including information technology, online marketplaces, online payment, inbound tourism, entertainment, manufacturing, mobile, and enterprise software. The firm leverages its expertise in engineering, design, data science, and business management to help entrepreneurs develop and expand their businesses in a rapidly evolving market.
Beenos Partners
Venture Round in 2000
Beenos Partners is a Tokyo-based venture capital firm founded in 1999, originally established as NetPrice.com, an eCommerce service provider. The company transitioned from its initial focus to a broader role in the startup ecosystem, offering incubation and support through its in-house team of experienced entrepreneurs and specialists. Beenos Partners aims to assist startups in various sectors, including information technology, online marketplaces, online payment, inbound tourism, entertainment, manufacturing, mobile, and enterprise software. The firm leverages its expertise in engineering, design, data science, and business management to help entrepreneurs develop and expand their businesses in a rapidly evolving market.
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