Top 50 Climate VC Funds & Investors in Japan (July 2026)

Portfolio highlights

• Caguuu — Caguuu offers high-quality designer furniture at affordable prices, through e-commerce, eliminating middlemen and store operating costs.
• Diggle — DIGGLE is a service that provides fundamental management accounting management on the cloud called fraud management. It is possible to reduce the mistakes and man-hours of the fraud management task and easily carry out the fraud management task even if it is not an expert in finance or accounting.DIGGLE covers budget creation work and budgetrecord comparison work, especially in the foreman management work. In the budget creation work, the KPI and the budget are automatically created by inputting the target numerical value to the preset parameters utilizing the budget generator function, while the forecast contrasting work is made up of the financial information, non-financial information It is easy to calculate by simply entering the numerical value, and it is possible to carry out calculation of the forecast contrast.
• Instalimb — Instalimb is the world's first 3D printing prosthesis business.

Portfolio highlights

• Fermelanta — Fermelanta produces rare plant-based ingredients through microbial fermentation. It engineers a cell to build a biosynthetic pathway of target molecules with gene transfer and disruption.
• Atom — Atom is a humanoid robot built platform. Its bipedal, dual-armed robots are designed not just as industrial tools but as collaborators that expand human capability. By combining advanced Physical AI—environmental perception, judgment, and action planning—with robust robotic hardware, Atom is creating adaptive agents capable of working acrossdiverse settings to augment or, where appropriate, replace human labor. The company positions these robots as a next step in societal evolution: a new class of machines that learn and behave in human-like ways to advance productivity, safety, and quality of life.
• Link Therapeutics — Link Therapeutics specializes in developing therapeutic methods for targeting autoantibodies and identifying pathogenic autoantibodies.

Portfolio highlights

• CaTe —
• FunPep — FunPep is an Industry-university collaboration bioventure company.
• NEXT NEW WORLD — NEXT NEW WORLD develops and manufactures natural products with low impact on the environment. It uses sustainable Japanese silk to manufacture apparel and cosmetic products.

Portfolio highlights

• Akari Hosho — Akari Hosho provides a group of trusted professionals, including lawyers and judicial scriveners. Akari Hosho provides a guarantee service.
• Black Cat Carnival — Black Cat Carnival Inc. is a communication service development company.
• Carbon CryoCapture — Carbon CryoCapture specializes in the carbon dioxide separation systems aimed at creating economically viable, energy-efficient, and genuinely sustainable CO2 separation and recovery technologies. The company is dedicated to deploying cost-effective, efficient systems for CO2 capture that integrate smoothly with current infrastructures, all whileenhancing energy consumption and production. This enables clients to attain zero emissions throughout the development and application of resources.

Portfolio highlights

• Moi — Moi Corporation was founded to deliver on the promise of the Twitcasting social live streaming platform. We developed Twitcasting to enable people to stream and share live video anytime, anywhere - connecting the world in real-time. TwitCasting provides a live streaming social platform that enables real-time chat between broacasters andviewers, through apps or desktop. Users can follow their favorite broadcasters and receive notifications when new a new live stream is about to start. Broadcasters can save and publish their live streams for later viewing.In early 2014 we added "Collabo" to Twitcasting, enabling as many as 6 users to broadcast together, in a single display. Viewers can join a broadcast that is already streaming live and broadcast together. It is the first app to support multi-device broadcasting in a single stream on mobile and PC. Our user base has doubled every year, and hit 7.5 million in September, 2014. While the largest part of our base is in Asia, users in US, Brazil, Mexico and other Latin American countries are now growing rapidly. About 70% of our users are under 25 years old, & approximately 95% of broadcasters shoot on mobile. 
• Wonderplanet — Wonderplanet designs and develops native language applications and games for smart phones and tablets. The company was founded in 2012 and is based in Nagoya, Japan.
• EneCoat Technologies — EneCoat Technologies is working on materials development for perovskite solar cells and the commercialization of modules.EneCoat Technologies will create the future of energy through thin-film solar cells with the aims of protecting the environment and effectively utilizing natural energy sources.

Portfolio highlights

• CastBio — Castbio specializes in antibody-drug conjugate-based drug discovery research and development. Along with medications, it also creates research reagents, medical equipment, in vitro diagnostic items, and offers drug discovery consulting.
• 3DC — 3DC develops and manufactures a new carbon material, graphene meso sponge (GMS), for electrodes in next-generation batteries, capacitors, fuel cells and other energy storage and generation devices.
• Formas.AI — Formas.AI is a multi-modal, AI-powered design platform specifically built for architects, designers, and educators to generate and visualize creative architectural concepts.

Portfolio highlights

• Tacoms — CAMEL is a service that allows you to easily manage orders from multiple food delivery / takeout services on a single tablet.
• Any Style —
• Smile Robotics — Smile Robotics provides Service Robots in Japan.

Portfolio highlights

• Ashirase — Ashirase is a developer of a walking navigation system for the visually challenged. The company assists visually impaired people in walking independently. This also allows the user to have more attention to spare for audible warnings in their environment. It includes voice input and guidance via a smartphone app. A vibration interface is attachedto their shoes.
• Ken Robotec — Ken Robotec is a construction company that provides labor-saving solutions.
• MaterialGate — MaterialGate focuses on single-molecule dielectrics, developing technologies for devices with better electronic characteristics.

Portfolio highlights

• Balus — Balus provides motion capture, Unity systems, and AR live permanent venues.The company provides character content infrastructure using real-time animation, we also support the production of original content. Balus provides the necessary technology for event planning, casting, VR events, recording and creation of production images, real-timemotion capture during live events, real-time transmission, event management, and systems that allow users to participate in the production.
• Pale Blue — Water propulsion systems for sustainable space development
• OPTEMO — OPTEMO develops and supplies sales technology that allows businesses and customers to connect through a website.

Portfolio highlights

• Flosfia — FLOSFIA is a spin-off from a research of Kyoto University, specializing in film-formation by mist chemical vapor deposition (CVD). Making use of physical properties of gallium oxide (Ga2O3), FLOSFIA has devoted to development of low-loss power devices.
• Hacobell — Hacobell is a logistics company that offers services in freight servicing, dispatch, and delivery.
• Power Wave — Power Wave seeks a carbon-neutral world using wave technology for wireless power, tackling global warming and fuel depletion.

Portfolio highlights

• LQUOM — QWAVE offers cryptography communication technology.
• Direava —
• Zerodoor HD — Zerodoor HD specializes in digital transformation in constructing industry.

Portfolio highlights

• Cake.jp — Cake.jp operates "Cake.jp", a comprehensive cake delivery site.
• Flosfia — FLOSFIA is a spin-off from a research of Kyoto University, specializing in film-formation by mist chemical vapor deposition (CVD). Making use of physical properties of gallium oxide (Ga2O3), FLOSFIA has devoted to development of low-loss power devices.
• Fabric Tokyo — FABRIC TOKYO is a Japanese startup provides a direct-to-consumer custom-made apparel brand. (former-company name Lifestyle Design Co., Ltd.). It enables customers to save their sizes, idea fabrics, and favorite designs, allowing them to make their original clothing later.FABRIC TOKYO was founded in 2012 by Yuichiro Mori and is based in Tokyo,Japan.

Portfolio highlights

• CaTe —
• EISHIN — EISHIN is a technology company that specializes in pet tech business, recruitment consulting, website creation, and development services.
• Yokohama Vanilla — Yokohama Vanilla is a Company which operates Yokohama-based gift sweets brand.

Portfolio highlights

• JiMED — JiMED designs & develops AI based brain-computer interface for implant in ALS patients to improve communication.
• Grafenary — Graphenary creates unique graphene optical devices using graphene materials with a variety of remarkable features.
• Neusignal Therapeutics — Neusignal Therapeutics is a medical company that develops therapeutic medicines for dementia and psychiatric illnesses.

Portfolio highlights

• Yondemy — Yondemy is an online platform for children reading books.
• Yokohama Vanilla — Yokohama Vanilla is a Company which operates Yokohama-based gift sweets brand.
• Zeal Boxing Fitness — Zeal Boxing Fitness combines power of sports with the power of technology to provide a service that allows to enjoy fitness.

Portfolio highlights

• CFOne — CFOne is an AI-driven accounting platform engineered by an accounting firm.
• Kakutoku — Nitlon Inc. provides crowdsourcing management services. The company was founded by Seiya Mitsuda on February 02, and is headquartered in Beppu, Japan.
• AlarmBox — AlarmBox develops services that make use of professional knowledge of technology and corporate screening, and changes common sense of risk management of enterprise.

Portfolio highlights

• AI Mage —
• Umami United — Umami United is a plant-based food brand with unique focus on Japanese food technologies and traditional ingredients to make delicious and healthy food to unite people at one table. The wide lineups are designed to be vegan-friendly, buddhist friendly, and halal friendly for all.
• Albatross Technology — Albatross Technology is a technology company that develops offshore renewable energy devices and floating offshore wind turbines.

Portfolio highlights

• Naorai — Naorai is a food and beverage firm that manufactures wine, beer, spirits, and non-alcoholic beverages.
• Dioseve — Dioseve is providing novel possibilities for all life.
• Flosfia — FLOSFIA is a spin-off from a research of Kyoto University, specializing in film-formation by mist chemical vapor deposition (CVD). Making use of physical properties of gallium oxide (Ga2O3), FLOSFIA has devoted to development of low-loss power devices.

Portfolio highlights

• Ginco — Ginco's goal is to Change the relationship between individuals and assets by making full use of block chain technology. The primary focus of Ginco, its cryptocurrency wallet app, is centered around dApp and the On-Chain function, and the company plans to expand its business in a multifaceted manner while watching trends in the ecosystemdevelopment. In the future, they were told that they have the possibility of developing with DEXs (decentralized exchanges).
• Scohia Pharma — Scohia Pharma is a biotech venture that will have both substantial research and development resources and be nimble enough to make decisions quickly, will strive to improve patient quality of life by providing patients and healthcare professionals with new therapeutic medications for renal, metabolic.
• Arrowsmith — Arrowsmith is committed to unlocking the full potential of bacteriophages to revolutionize the treatment of bacterial infectious diseases. Through transformative science, Arrowsmith strive to create a world free from the pain and fear caused by antimicrobial resistance.

Portfolio highlights

• Zevero — Carbon Accounting Software and Services. With Zevero optimise your carbon footprint management effortlessly. Take charge of sustainability today!
• WAKA —
• Monochrome — Monochrome is creating a home operating system in order to power the next generation of energy-producing homes and roofs. The company is based in Chuo Ward, Tokyo.

Portfolio highlights

• Triorb — Triorb is a technology company that specializes in robot mobility development with the help of software and hardware solutions.
• Flosfia — FLOSFIA is a spin-off from a research of Kyoto University, specializing in film-formation by mist chemical vapor deposition (CVD). Making use of physical properties of gallium oxide (Ga2O3), FLOSFIA has devoted to development of low-loss power devices.
• Solaris — Solaris commercializes, manufactures, and sells soft robotics using pneumatic artificial muscles. Solaris was founded in 2017 and was headquartered in Tokyo, Japan.

Portfolio highlights

• Dwilar — Dwilar is a proptech company that provides AI-powered leasing solutions tailored for international buyers seeking property. Their platform enables users to design flexible lease agreements with the option to own, allowing for property customization and renovation during the lease period. By avoiding dollar-denominated loans, it minimizes currencyexchange risks and offers a streamlined and personalized path to property acquisition.
• Synflux — Synflux is a fashion lab comprising of fashion designers, software engineers & architects focused on fashion industry.
• EF Polymer — EF Polymer Private Limited providing 100% Organic and fully Biodegradable Super Absorbent Polymer cum Fertilizer to reduce Water and Fertilizer requirement for your plant. Let's grow organically.

Portfolio highlights

• Eco-Pork — Eco-Pork is a co-creation solution farm that supports farmers' food productivity improvement. It is connecting the pig and technology, pork ( Pork ) new business ecosystems ( Ecosystem By building a), in the pork growing demand around the world, to get the most out of the food supply capacity is finite.
• Equmenopolis — Equmenopolis is an information services company that specializes in conversational AI agent platforms and application developments.
• Surv Biopharma — Surv Biopharma develops a drug discovery platform that facilitates research and development of veterinary drugs and pharmaceutical products.

Portfolio highlights

• KG Motors — KG Motors is an automotive firm that manufactures electric vehicles that can be moved comfortably and safely by one person.
• Lx Design — Lx Design is an application that connects schools with people who wants to work as a teacher.
• ForestFolks — ForestFolks Provider of forest management and conservation services aimed at protecting forestry and the environment.The company exploits and successfully employs the forest's CO2 absorption potential and conserves and recovers forest resources and biodiversity, allowing for regulatory compliance and supporting environmental protection.

Portfolio highlights

• F.MED — F.MED is a manufacturing company that designs and develops robotic microsurgical devices for the healthcare industry.
• Varinos — Varinos is a clinical laboratory contract analysis company that is a partner of medical institutions. Varinos provides genomic testing development and contract analysis services using the latest technology, the next-generation sequencer.
• ElevationSpace — ElevationSpace offers high quality & well equipped workspaces giving tenants a nurturing environment .

Portfolio highlights

• Ababa — Ababa provides recruitment and employment solutions.
• CraftBank — CraftBank, Inc. is the start-up that operates online matching platform between constructors with having relations with 22k specialty constructors (10% coverage in the market). The company was succeeded in Management BuyOut in April 2021.
• Josh Collaboration — Josh Collaboration is a software company that provides mailing, fax transmission, and partner management services.

Portfolio highlights

• Triorb — Triorb is a technology company that specializes in robot mobility development with the help of software and hardware solutions.
• FullDepth — FullDepth is a drone development company.
• Metro Weather — Metroweather is a venture from Kyoto University that develops a high-performance Doppler lidar that measures the direction and speed of wind several tens of kilometers away from minute movements of fine particles in the atmosphere. We aim to contribute to the safety of the sky by completing a three-dimensional wind map, which has never beenrealized,based on years of research at the Kyoto University Research Institute for Sustainable Areas.

Portfolio highlights

• Akari Hosho — Akari Hosho provides a group of trusted professionals, including lawyers and judicial scriveners. Akari Hosho provides a guarantee service.
• Serendip Consulting — Serendip Consulting refers to business portfolio optimization and provision of effective solutions.The Serendip Group operates not only strategic and financial consulting, but also a business company with a focus on manufacturing. Aiming for further growth of the entire group by restructuring the "business portfolio" based on the know-howof nurturing small and medium-sized businesses cultivated over 10 years since its foundation and investment experience, and "modernizing management" by dispatching professional managers You.
• Monozukuri Business Succession Holdings (JMS) — Monozukuri Business Succession Holdings is a specialized corporate investment subsidiary. The platform modernizes mid-sized manufacturing firms facing generational leadership transitions. Strategic institutional banking partnerships protect public shareholder equity from dilution. After acquisition, the firm installs professional management andautomated factory systems. All operational yields consolidate into the parent organization to drive long-term growth.

Portfolio highlights

• MW — MW is a smart home solution company that develops smart residential physical AI, robotics, and home design services.
• InsightX — InsightX is a technology platform focused on empowering businesses by simplifying complex processes and enabling smarter, more personalized user experiences.
• Neusignal Therapeutics — Neusignal Therapeutics is a medical company that develops therapeutic medicines for dementia and psychiatric illnesses.

Portfolio highlights

• Cykinso — Cykinso is a developer of a home-testing kit designed to tell people the state of their intestinal bacteria. The company provides a testing service to clarify the state of the intestinal environment by using a sequencer that reads a large number of DNA sequences at high speed, enabling users to investigate the relationship with lifestyle-relateddiseases and digestive diseases based on changes in intestinal bacteria.
• Stayway — Stayway is operating the world's largest hotel and vacation facility search and comparison site.
• Monochrome — Monochrome is creating a home operating system in order to power the next generation of energy-producing homes and roofs. The company is based in Chuo Ward, Tokyo.

Portfolio highlights

• 400F — 400F develops services to solve problems related to people's lives and assets. It was founded in 2017 and is headquartered in Tokyo.
• BABY JOB — BABY JOB offers nursery support and child care support businesses.
• Rocket Link Technology — Rocket Link Technology is a product development company that specializes in designing LTP rockets for space travel.

Portfolio highlights

• Direava —
• Local Motors — Local Motors were known for their open-source motor vehicle designs, their cutting-edge expertise in 3D-printing cars, and their impressive self-driving vehicle technology.
• Nanofiber Quantum Technologies — Discover how NanoQT builds the foundation for scalable quantum computing with nanofiber cavity-QED technology and high-fidelity quantum connectivity.

Portfolio highlights

• Ababa — Ababa provides recruitment and employment solutions.
• PlaceHolder — Placeholder is a space value creation company that provides people with inspiring and exciting experiences by fusing digital technology and real space.
• RICOS — RICOS is a tech company that optimizes manufacturing processes using AI, simulation, and high-performance computing technologies.

Portfolio highlights

• CELLORB — CELLORB provides player management, sports event planning, and event management services.
• L&F — L&F is a real estate company that develops rental portals and tools for vacant houses, family trusts, and rental property management.
• Illumi Medical — Illumi Medical is a manufacturing company that produces medical equipment and devices for the healthcare sector.

Portfolio highlights

• Ikura — Ikura is a travel company that provides personalized travel experiences, connecting travelers with local communities and businesses.
• LQUOM — QWAVE offers cryptography communication technology.
• MamaWell —

Portfolio highlights

• JiMED — JiMED designs & develops AI based brain-computer interface for implant in ALS patients to improve communication.
• LQUOM — QWAVE offers cryptography communication technology.
• Toregem BioPharma — Toregem BioPharma is a startup from Kyoto University that develops a treatment for congenital adentia. Toregem BioPharma is headquartered in Kyoto, Japan.

Portfolio highlights

• Koeda — KOEDA is researching and developing medical devices that are safe, painless, and easy to use for acute cholecystitis. KOEDA will transform the management of cholecystitis. So far, endoscopic ultrasound-guided gallbladder drainage (EUS-GBD) has been a notably difficult procedure carried out by skilled doctors at specific advanced centers. Althoughinserting a tube into the gallbladder is less invasive, it is complex, and there may be concerns regarding bile leakage. By combining clinical expertise with precision engineering, KOEDA addresses a clearly defined medical need in a growing global market and is currently moving forward on schedule for regulatory clearance and commercialization.
• Scohia Pharma — Scohia Pharma is a biotech venture that will have both substantial research and development resources and be nimble enough to make decisions quickly, will strive to improve patient quality of life by providing patients and healthcare professionals with new therapeutic medications for renal, metabolic.
• Storyline — Storyline is a company that use technology and design to address social challenges while building a sustainable society.

Portfolio highlights

• TSK Corporation —
• IKOU — IKOU is an inclusive brand for babies and children that creates products valued by all users. The company's featured products include portable seats, bibs, and children's clothing products along with online services.
• Metro Weather — Metroweather is a venture from Kyoto University that develops a high-performance Doppler lidar that measures the direction and speed of wind several tens of kilometers away from minute movements of fine particles in the atmosphere. We aim to contribute to the safety of the sky by completing a three-dimensional wind map, which has never beenrealized,based on years of research at the Kyoto University Research Institute for Sustainable Areas.

Portfolio highlights

• Flosfia — FLOSFIA is a spin-off from a research of Kyoto University, specializing in film-formation by mist chemical vapor deposition (CVD). Making use of physical properties of gallium oxide (Ga2O3), FLOSFIA has devoted to development of low-loss power devices.
• TXP Medical — TXP Medical build a next-generation medical system through acute care.
• Startbahn — Startbahn develops Startrail, a sustainable and scalable blockchain infrastructure that assures the reliability, authenticity, and traceability of artworks.

Portfolio highlights

• Henry — Henry develops and provides a cloud-based electronic medical record and receipt system for small and medium-sized hospitals.
• Ruten — Ruten is a brain-machine interface company that specializes in reconstructive treatments for infeasible and ineffective conditions.
• Tokenz — Tokenz is your all-in-one platform for global digital payments, cross-border tax compliance, and seamless payouts.

Portfolio highlights

• Menou — MENOU specializes in AI technology and sensing technology. It features a graphical image identification modeler software.
• Space BD — Space BD aims to become a one-stop shop to respond to all issues related to industrialization of space, and alleviate the work of businesses that are developing new technologies.
• Neusignal Therapeutics — Neusignal Therapeutics is a medical company that develops therapeutic medicines for dementia and psychiatric illnesses.

Portfolio highlights

• NovAccel — NovAccel operates as a deep tech company, ensure a stable supply of medical radioisotopes.
• AstroX — AstroX is a private space startup company that develops satellite launch vehicles for space development. It utilizes the rockoon method for developing launch vehicles and small rockets to help clients easily use space.
• Sonire Therapeutics — SONIRE Therapeutics Inc. (SONIRE) is working on a next-generation high-intensity focused ultrasound (HIFU) therapy system that will employ acoustic engineering (ultrasound) technologies developed through cutting-edge academic research. SONIRE has been working on a next-generation high-intensity focused ultrasound (HIFU) treatment system as a noveltherapeutic modality with the goal of giving cancer patients and their families a new future.

Portfolio highlights

• WOTA — Human history is the history of our relationship with water. Water gave rise to our civilizations. Water has nourished people's livelihoods. This means that humans need water supplies, such as rivers and lakes, to survive. At WOTA, we desire to remove every limitation we have in relation to water. By integrating small water systems into the“big water infrastructure” of the past, we can achieve a more creative and sustainable way of life. That is our belief. In cities and deserts, remote islands, and outer space. We imagine a future where water is freely available to all people. Our work will always continue.
• Piazza — PIAZZA deploy the regional platform PIAZZA.
• NEXT NEW WORLD — NEXT NEW WORLD develops and manufactures natural products with low impact on the environment. It uses sustainable Japanese silk to manufacture apparel and cosmetic products.

Portfolio highlights

• WAKA —
• Rehabilitation 3.0 — Rehabilitation 3.0 focuses on a preventive medical system that provides AI assessment and tracking on health, exercise, mood, and wellness.
• Movus Technologies — Movus Technologies Indonesia is automotive company that provides car ownership rental services.

Portfolio highlights

• Clouted — Clout Kitchen is THE Virality Engine for brands and creators, designing data-driven viral campaigns with distribution marketing.
• ElevationSpace — ElevationSpace offers high quality & well equipped workspaces giving tenants a nurturing environment .
• Mjolnir Spaceworks — Mjolnir Spaceworks desings and manufactures state-of-the-art novel space rockets with efficient engines as well as other space equipments.

Portfolio highlights

• Cloudian — Cloudian provides exabyte-scale storage for your capacity-intensive workloads: S3-compatible storage for on-prem, hybrid cloud, and multi-cloud.
• Seajacks — Cadeler is a global leader in offshore wind farm construction, maintenance, and decommissioning.
• Vehicle Energy Japan — Vehicle Energy Japan specializes in development, manufacturing and sales of automotive lithium-ion batteries.

Portfolio highlights

• AirKamuy — AirKamuy is an aviation company that designs and manufactures fixed-wing VTOL aircraft and drones with the help of modern technology.
• Haul — Haul is a human resources company that provides recruitment consulting and marketing SaaS development services.
• Sorabito — SORABITO is an eCommerce marketplace for used construction equipment and machinery.

Portfolio highlights

• KG Motors — KG Motors is an automotive firm that manufactures electric vehicles that can be moved comfortably and safely by one person.
• SoVa — SoVa operates an accounting firm that combines technology and experts.
• Pixie Dust Technologies — Pixie Dust Technologies is a developer of computational technologies, including its ultrasonic phased array system with which one can generate force in mid-air; transport things in mid-air without touching anything; target and deliver different sounds from person to person in a crowd; direct guide-dogs; and even apply this in agricultural farming.

Portfolio highlights

• REVORN — REVORN is a fragrance AI and DX research and development company. They develop products such as odor sensors that can respond to odor issues and needs. They provide consultation at a range of levels, from identifying issues to developing solutions.
• Helical Fusion — Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas.
• Illumi Medical — Illumi Medical is a manufacturing company that produces medical equipment and devices for the healthcare sector.

Portfolio highlights

• SolaNika — SolaNika mission is to shackle energy with laser wireless power transfer and accelerate human progress.
• Vena Energy — Vena Group delivers renewable energy, battery, and hydrogen solutions across Asia-Pacific. Explore our green innovations driving the low-carbon transition today
• Mercuria — A world leading independent energy and commodity group