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

Portfolio highlights

• 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.
• 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.
• Japan Culture and Technology — Japan Culture and Technology assists artists and craftspeople in expanding their activities by providing IT support.

Portfolio highlights

• Letara — Letara operates a space technology platform with the intention to serve a logistics network covering the solar system. The company produces hybrid propulsion engines for small spacecraft, promoting groundbreaking advances in space propulsion with high thrust, safe, and inexpensive propulsion system technology.
• Pragtech — Pragtech develops and operates parking lot service software that helps to eliminate payment congestion and reduce operating costs.
• 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

• Paytner — yup is providing services to support freelance people's funding.The freelance population in Japan has been shown to continue to increase in many Chosa. While working styles are diversified, they are not able to respond to the development of the working environment, and they will develop their business to change the situation where problemssuch as funding, credit, sexual harassment, and power harassment are accumulated.
• 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.

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.
• Illumi Medical — Illumi Medical is a manufacturing company that produces medical equipment and devices for the healthcare sector.
• Reborna Biosciences — Reborna Biosciences provides research and development in the field of genetic diseases. The company develops therapeutic options for area of unmet medical needs in genetic rare disease. The company's technology enables low-molecular compounds to target ribonucleic acid. The company provides new disease-modifying drugs for patients sufferingfrom rare genetic diseases including spinal muscular atrophy.

Portfolio highlights

• Logiless — Logiless is a cloud type all-in-one software dedicated to net shop. Since both orders and stocks can be managed together in a logical manner, efficiency of operations can be realized at low cost.
• LUC — LUC is a provider of the AI ​​x experience analysis platform "TERUS," .
• Turing — Turing develops and manufactures fully autonomous vehicles.

Portfolio highlights

• Chefaa — Chefaa is a GPS-enabled pharmacy benefits platform connecting patients & pharmacies nation-wide to help patients manage all their pharmacy needs. Chefaa uses big data, data ming & machine learning
• Rest Less — Rest Less is the UK's fastest growing digital community for the over 50s. Join for free. Restless offers content, guidance and resources on a range of topics spanning Work and Careers, Volunteering, Learning, Money, Health, Lifestyle and Relationships.
• ChromaCode — ChromaCode is a molecular diagnostics company focusing on bioinformatics. It leverages patented mathematical methods and algorithmic enhancements to enrich signal processing from life science instrumentation. The company uses this to extract new information on biochemistry reactions and substantially increase the performance capabilities of today’sgold-standard biochemical assays at a very low cost.ChromaCode was founded in 2012, ChromaCode is headquartered in Carlsbad, California.

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

• MOVeLOT — MOVeLOT is an AI company that provides skeletal platform and robot planning, development, and production services.
• Chaintope — Chaintope is specializes in blockchain technology with a focus for FinTech and non-FinTech sectors.
• xCARE — xCARE specializes in the development and commercialization phases of the pharmaceutical and medical device industries.

Portfolio highlights

• Piazza — PIAZZA deploy the regional platform PIAZZA.
• FullDepth — FullDepth is a drone development company.
• Gaudi Clinical — Gaudi Clinical is a health care firm that engages in regenerative medicine outsourcing and cell processing contract establishments.

Portfolio highlights

• Linqmed — Linqmed is a pharmaceutical company that specializes in the research and development of radiopharmaceuticals for cancer treatment.
• Simple Form — Simple Form provides real-time information on all domestic corporations necessary for financial institutions. We will accelerate the time-consuming and labor-intensive research work of corporations and take on the role of new financial underpinnings.
• Japan Culture and Technology — Japan Culture and Technology assists artists and craftspeople in expanding their activities by providing IT support.

Portfolio highlights

• Menou — MENOU specializes in AI technology and sensing technology. It features a graphical image identification modeler software.
• Castee — Castee provides social collaboration services and also helps with a tool for job requests and overseas projects for creators.
• 3S — 3S is a SaaS developer platform that provides and operates 24-hour home nursing care services through technology.

Portfolio highlights

• Autify — AI software testing company aimed at solving the challenges associated with automation testing. We are passionate about making software testing faster and easier, empowering companies to release faster and keep their applications stable.
• Nekonome — Nekonome creates a game platform with global character designs, in-game updates, and regular events, providing a personalized gaming experience based on data.
• AVA Intelligence — AVA Intelligence is a Internet service development company.

Portfolio highlights

• Mokable — MOKABLE is a startup introducing a new concept called "eating coffee," aiming to let consumers fully enjoy the flavor of carefully grown coffee beans. Their product uses finely ground whole coffee beans to enhance and maximize the rich aroma and taste of the coffee.
• Syukatsu Labo — Syukatsu Labo is a leading company that solves various problems in an aging society.
• Tensor Energy — Creating the operating system of our zero-carbon, distributed energy future

Portfolio highlights

• Beff — Beff is a company that focuses on Global AI and battery development. It intends to reduce material waste and CO2 emissions during battery production and secure resources in a sustainable manner.
• Fager — Fager is an agriculture firm specializing in promoting decarbonization projects, agricultural carbon production, and sales.
• Nature — Nature offers a product that enables its users to save money by controlling the use of their air conditioners.The product that the company offers is an air conditioner controller that transforms any window-mounted or through-wall AC into a smart one, equipped with infrared, power control, and sensors that, along with a mobile app for voicesensors, enabling users to operate household appliances with just one smartphone to control their ACs. It transforms the operation of room air conditioners (ACs) to improve comfort and efficiency for consumers while reducing energy demand peaks for utilities with simple, inexpensive, and easy-to-install device.The Boston, Massachusetts-based company was incorporated by Mash Ohtsuka and Haruumi Shiode in 2014.

Portfolio highlights

• LQUOM — QWAVE offers cryptography communication technology.
• Captain Fresh — Captain Fresh is a freshwater fish and seafood supply chain platform. Captain Fresh is a B2B marketplace leveraging technology to deliver the fastest harvest-to-retail in the industry. The company focuses on aggregating the fragmented retail demand across the country and linking them to the small fishermen and farmers throughout the Indian coast.The company was founded in 2019 and is based in Bengaluru, India.
• Sonire Therapeutics — Sonire Therapeutics provides High-Intensity Focused Ultrasound treatment for cancer.

Portfolio highlights

• ElleThermo — elleThermo aims to implement Semiconductor-Sensitised Thermal Cells (STCs), an energy conversion technology that can generate electricity from unused waste heat above room temperature.
• Aeterlink — Aeterlink is a wireless device maker and developer. They applied their technology to fields such as FA, robots, smart houses, and medicine and developed practical level technologies such as elemental technology that can wirelessly supply power.
• Metagen Therapeutics — Metagen Therapeutics is a Drug discovery and medical business company which utilizes microbiome science.

Portfolio highlights

• Plott — Plott producing youtube animation platform under Vision “Become a Content holder from YouTube”. In August 2019, the company name was changed from Fabo to Plott. Plott, the new company name, is derived from the plot that you make before writing novels, etc., and the idea that “I want to make content all the time” is put in the company name.
• Sharing Energy — Sharing Energy is providing energy supply and energy management services.
• The Chain Museum — The Chain Museum creates a platform for connecting individuals .

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

• Yadokari — Yadokari provides various types of Construction & Real Estate related other services.
• FullDepth — FullDepth is a drone development company.
• Peco Free — Peco Free is a school meal pre-order service that is selected using a smartphone.

Portfolio highlights

• Mechano Cross — Mechano Cross is a mechanical company that offers mechanochemical organic synthesis technology for solution reactions.
• Surv Biopharma — Surv Biopharma develops a drug discovery platform that facilitates research and development of veterinary drugs and pharmaceutical products.
• Zip Infrastructure — Inquiry : https://docs.google.com/forms/d/e/1FAIpQLSfDmxd1TpPP331TY4VoRsvn0yWX3Ca5Jd-bfBiuPwvpD2SKtA/viewform

Portfolio highlights

• Nexta — Nexta manufactures site, issues such as analog management, personalization of operations & labor shortages are becoming more serious.
• Logo Labo — Logo Labo provides branding and marketing services, including brand development, formulation, IT-based branding and marketing support.
• MUSE — MUSE is a robotics company that provides robotic solutions for retail stores to support in-store operations.

Portfolio highlights

• F.MED — F.MED is a manufacturing company that designs and develops robotic microsurgical devices for the healthcare industry.
• Triorb — Triorb is a technology company that specializes in robot mobility development with the help of software and hardware solutions.
• ElevationSpace — ElevationSpace offers high quality & well equipped workspaces giving tenants a nurturing environment .

Portfolio highlights

• HQ — HQ offers next-generation employee benefits platform.
• bellFace — bellFace is an InsideSales System specialized targetted for Business to business sales customer support.No log in, no installation required. No matter where you are, it connects in 5 seconds becacuse it operates in the browser (patented). The audio system is connected through the telephone lines, there is no interruption like with Web meetingsystems. bellFace which is specific to sales, comes with document sharing and script function, so your experience is just like face to face communication . It is also suited for inside sales.
• WAKA —

Portfolio highlights

• OptQC — OptQC commercializes cutting-edge optical quantum computing technologies developed by the Furusawa-Endo Laboratory. Because optical quantum computers are more scalable than superconducting and other quantum computing implementations, OptQC's optical quantum computers should reach this scale. They also have benefits like faster processing andreduced power consumption, which makes optical quantum computers a possible long-term pinnacle of quantum technology.
• 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.

Portfolio highlights

• CUSTA —
• YOUTRUST — YOUTRUST is a startup to operate YOUTRUST a referral recruitment platform for side-job change.
• Josh Collaboration — Josh Collaboration is a software company that provides mailing, fax transmission, and partner management services.

Portfolio highlights

• 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.
• Japan Wind Tunnel Manufacturing — JAPAN FUDO is a company that develops and manufactures new products related to wind, such as the world's most compact wind tunnel "Aero Optim" series and double propeller wind turbines.
• RICOS — RICOS is a tech company that optimizes manufacturing processes using AI, simulation, and high-performance computing technologies.

Portfolio highlights

• CuboRex — CuboRex realizes creative mobility using its crawler technology.
• RemitAid — RemitAid is a fintech company that operates an overseas payment platform for cross-border transactions between companies.
• FiberCraze — FiberCraze is a manufacturing company that specializes in the development and sales of thread materials.

Portfolio highlights

• QibiTech — QibiTech created HATS, a service in which a human operator remotely supplements the operation of a robot. Add-on edge calculator or software for various robots to increase robot flexibility. It also serves as a platform for connecting operation data to the business improvement system.
• SPACECOOL — Spacecool offers zero-energy cooling materials that radiate heat to space, reducing temperatures and mitigating global warming.
• Turing — Turing develops and manufactures fully autonomous vehicles.

Portfolio highlights

• Airato — Airato specializes in the development of radiation therapy using artificial intelligence technology.
• Synflux — Synflux is a fashion lab comprising of fashion designers, software engineers & architects focused on fashion industry.
• Illumi Medical — Illumi Medical is a manufacturing company that produces medical equipment and devices for the healthcare sector.

Portfolio highlights

• MamaWell —
• FastLabel — FastLabel's mission is to become an infrastructure that solves the problems and accelerate the practical application of AI.
• Sukedachi — Sukedachi had focused on the unique business habit in the Japanese construction industry that construction workers are order receivers as workmen themselves and are also orderers as small enterprises, and the firm started this service. Sukedachi allows workpeople specialized in construction works receive to notification of recruitment ofconstruction jobs which meet their pre-registered conditions including residence and occupation. With this service, construction workers who are seeking jobs can contact directly to each desired construction site, and constructors suffering from chronic manpower shortage can recruit workers on almost ideal on-demand conditions.

Portfolio highlights

• Airato — Airato specializes in the development of radiation therapy using artificial intelligence technology.
• CELLORB — CELLORB provides player management, sports event planning, and event management services.
• Illumi Medical — Illumi Medical is a manufacturing company that produces medical equipment and devices for the healthcare sector.

Portfolio highlights

• LEP —
• SecureNavi — SecureNavi offers automation tools for the information security management system. It reduces conventional analogue operations using excel and word. For inquiries, telephone numbers and physical addresses are available on their website.
• Akari Hosho — Akari Hosho provides a group of trusted professionals, including lawyers and judicial scriveners. Akari Hosho provides a guarantee service.

Portfolio highlights

• Josan-shes — Josan shes is web start up that offers nursing service to women and babies.
• ACCEL Stars — ACCEL Stars is a fitness and wellness firm that offers sleep diagnosis and examinations like sleep health, hygiene and medical devices.
• Cellid — Cellid developing the waveguide-architecture display module for AR glasses and high-performance spatial recognition software.

Portfolio highlights

• QunaSys — Quantum physics is a relatively new field built since the beginning of the 20th century, but we have used MRI (nuclear magnetic resonance equipment) and lasers used for close examinations in hospitals, and semiconductors mounted on computers. Supports the technology that supports the daily life of people.QunaSys was established to bring out thequantum physics that has been active behind the scenes to the front stage, and to make use of quantum properties to realize technologies that could not be achieved with existing technologies.
• Luxna Biotech — Luxana Biotech is established to contribute to medical treatment for suffering patients, .
• Celaid Therapeutics — Celaid Therapeutics specializes in manufacturing and sales of regenerative medicine products utilizing human hematopoietic stem cells.

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.
• AI Silk — AI Silk are innovative conductive fibers produced with a dyeing technique. By using natural silk and giving conductivity to the fiber itself, They have succeeded in producing electrodes that reduce some of the risks and challenges of conventional medical electrodes, which can cause discomfort,skin and in vivo inflammation, and measurement failuredue to sweat or other elements. Their brand, AI Silk, is a new material that has strong and diverse application potential, even beyond the health / medical field.
• ElevationSpace — ElevationSpace offers high quality & well equipped workspaces giving tenants a nurturing environment .

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

• 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.
• VLP Therapeutics — VLP Therapeutics, LLC (VLP) was established in 2012 by seasoned biopharmaceutical veterans with mission to develop innovative medical treatment which transforms traditional vaccine and targeted antibody therapies to address global unmet medical needs. Its vision is to combat the 21st century global public health problems through revolutionary nextgeneration i-αVLP (inserted alpha VLP) Technology. The company is headquartered in Gaithersburg, Maryland
• XFOREST Therapeutics — xFOREST Therapeutics develops a drug discovery platform that targets RNA structures.

Portfolio highlights

• Argos — Argos provides the online insurance medical treatment service.
• Brainbuddy — Brainbuddy specializes in sales support, business growth, recruiting, consulting, and training services.
• Helical Fusion — Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas.

Portfolio highlights

• Issin — Issin manufactures bath mats that can measure weight and automatically record daily weight changes on your smartphone.
• RoboTruck — RoboTruck develops autonomous driving technologies for huge trucks, as well as practical applications.
• Leading Mark — Leading Mark, a rising human resources startup in Japan. Leading Mark is branching out into mid-career and international hiring. It currently has a one-man team in China working to bring the top Japanese-speaking Chinese students to domestic companies. He also touts his startup’s focus on the average job seeker. “We want to make sure that the usersget the info that he or she needs the most,” he says. Large scale, legacy players can sometimes prioritize the needs of the hiring company, and their commission, over the needs of applicants themselves. This leads to frustration and short-circuited careers.

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

• Metalogos — Metalogos operates a public stock information service. It provides individual investors with easy-to-understand and unambiguous information regarding public offerings.
• Kinolights — Kinolights is a movie rating and recommendation services provider.
• Vently — Discover the best nightlife events in SF.

Portfolio highlights

• xxxxnese — xxxxnese is a logistics company that focuses on import, export, domestic sales, influencer marketing, and software development businesses.
• Kiwami — Kiwami offers sales promotion assistance and labor-saving solutions through the virtual store clerk.
• Rehabilitation 3.0 — Rehabilitation 3.0 focuses on a preventive medical system that provides AI assessment and tracking on health, exercise, mood, and wellness.

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

• Gecipe — Gecipe is a video service for e-sports players.
• Issues — Issues provides development and management of web service issues that solve the problems.
• SecureNavi — SecureNavi offers automation tools for the information security management system. It reduces conventional analogue operations using excel and word. For inquiries, telephone numbers and physical addresses are available on their website.

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

• KOMPEITO — Office de Yasai is an online platform that enables users to order and get vegetables delivered to their offices. The platform’s operations are based in Tokyo, Japan.
• Towing — Towing is an agricultural company that provides farming, manufacturing, and recycling 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

• ImmunoScape — ImmuniScape discovers and develops novel TCR-based therapeutics against solid tumors
• Metcela — Cells hold endless possibilities. Through science, we will unlock these potentials and harness them to improve the lives of patients worldwide.
• Startbahn — Startbahn develops Startrail, a sustainable and scalable blockchain infrastructure that assures the reliability, authenticity, and traceability of artworks.

Portfolio highlights

• Nstock — Nstock is specialized in developing SAAS based applications for ecosystem.
• STRACT — STRACT is a web platform that provides online platform, dating app, knowledge sharing cloud platform, and casual entertainment services.
• PartnerSuccess — PartnerSuccess develops and provides SaaS tools that automate the collaboration between manufacturers and distributors.

Portfolio highlights

• Aracan — Aracan is an e-commerce business that provides online and offline car-sharing services for vehicles.
• Biophilia — Biophilia is a company specializing in pet-related, consulting business, internet service business, and consignment development business. The company was established in August 2017 and is based in Shibuya-ku, Tokyo, Japan.
• Pacific Meta — Pacific Meta is a tech startup that creates a web3 platform with the goal of offering guidance to businesses using blockchain technology. The firm platform aids in the product's localization for the Japanese market and offers community management services, enabling businesses to promote themselves on social media platforms and work withinfluencers in the cryptocurrency space.

Portfolio highlights

• AlgaleX — AlgaleX is a firm that utilizes discarded food waste to create ingredients such as plant-based proteins.
• HarvestX — HarvestX manufactures fully automatic robots which contributes to the shortage of agricultural human resources and stable food production
• Quantum Flowers & Foods — Quantum Flowers & Foods is a technology firm that develops and creates agricultural business models and technologies.