Top 50 Energy Startup 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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.
• Auba — Auba is engaged in open innovation program, consulting specialized in Ol, and media outreach activities.
• SDP Japan — SDP Japan is a provider of super Doctor Produce Business and procurement and sales of surgical components, pharmaceuticals, and consumables.

Portfolio highlights

• Hokan — hokan is developing an InsurTech service called "hokan"​ which is CRM/SFA SaaS service for insurance agents.
• AssetHub — AssetHub is an AI-powered 3D modeling tool that enables game developers to create and edit 3D assets 100 times faster, enabling mass production of content and combining AI with manual work, enabling faster prototyping and editing.
• Power Wave — Power Wave seeks a carbon-neutral world using wave technology for wireless power, tackling global warming and fuel depletion.

Portfolio highlights

• Taian — Taian, which specializes in bridal industry services and software. They also provide ''Concept Marry,'' which allows couples to design invites and seating charts that match their wedding theme, as well as display guest information on Oiwaii.
• LocationMind — LocationMind is an IT company that provides human flow analysis, IoT solutions, and security for positioning signals. Through AI analysis of location information and big data, they provide end-to-end services to customers in a variety of fields. A position critical to the advancement of next-generation technology. They have independently developedmultiple AI models that specialize in people flow to make predictions for the near future, in addition to analyzing people flow in the past.
• Umee Technologies — Umee Technologies is an IT firm that offers full-stack development, conversational AI, and psychological analysis engine services.

Portfolio highlights

• Opt Fit — Opt Fit is a fitness industry that provides fitness, wellness and health-care services.
• Gaxi — Gaxie is an IT firm that provides a cloud management system and manages scholarship sites for business.
• Helical Fusion — Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas.

Portfolio highlights

• JPYC — JPYC is a financial institution that issues the community stablecoin JPYC, which is pegged to the yen of Japanese. They want to create a society where everyone can develop by fusing the real world with the world of cryptocurrencies and increasing the liquidity of capital to achieve their goal of overcoming the social conundrum. It will promotecapital's liquidity and create an environment that helps in development for all.
• 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.
• 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

• Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
• Ms.Engineer — Ms.Engineer is an education platform that helps to study coding and get placed in companies for women.
• Sharing Energy — Sharing Energy is providing energy supply and energy management services.

Portfolio highlights

• CirclePe — Backed by India's Top Investors, connect us with your new Landlord & get a Zero Deposit move-in for the 1st time ever.
• Receptionist — Delighted develops an application for reception services. The company was founded in 2016 and is based in Tokyo, Japan.
• Zeelab Pharmacy — Zeelab Pharmacy brings to you a high quality affordable generic medicines delivered to your doorstep with ecommerce & network of over 200+ stores in India.

Portfolio highlights

• PXP — PXP is a green tech development firm that develops clean energy using next-generation photoelectric conversion elements.
• SPACECOOL — Spacecool offers zero-energy cooling materials that radiate heat to space, reducing temperatures and mitigating global warming.
• Prediction — Prediction is an advertising company that provides video advertising media and AI-powered potential customer estimation services.

Portfolio highlights

• Archeda — Archeda is an IT firm that analysis of natural environments using remote sensing data.
• Things — Things offer product development and various information such as CAD, drawings, parts configuration, and price information.
• Linea Innovations — Linea Innovations is an energy production company that develops commercial fusion reactors with advanced fuel technology.

Portfolio highlights

• JOYCLE — JOYCLE is a waste management company that specializes in trash recycling, disposal, and environmental consulting services.
• Ecommit — Ecommit is a venture company that creates new environmental businesses with reuse and recycling as the main axis
• NewGreen — NewGreen is an agricultural service firm that provide services that contribute to improving farmers' incomes in the green market.

Portfolio highlights

• Kinish — Kinish is a company leading a revolution in dairy products. To achieve environmentally friendly and delicious dairy products, we are developing a special rice variety that produces milk proteins.
• Kwahuu Ocean — Kwahuu Ocean develops sustainable squid farming systems.
• Spine Chronicle — Spine chronicle is a medical device manufacturing firm that specializes in developing orthopedic medical equipment.

Portfolio highlights

• Rege Nephro — Rege Nephro is a biotech company that specialized in R&D, production and marketing of renal disease therapeutics.
• Luxna Biotech — Luxana Biotech is established to contribute to medical treatment for suffering patients, .
• Hakko Holdings — Hakko Holdings is a food-tech company that specializes in producing and manufacturing fermented plant-based food with unique fermentation technology for healthy and sustainable lives.

Portfolio highlights

• GooPass — GooPass is a subscription-based camera equipment rental platform that offers users cameras, interchangeable lenses, and drones. It also allows users to buy or rent photography equipment by reserving it online.
• Tenchijin — Tenchijin is optimiz human civilization using space big data.
• ORENDA WORLD — ORENDA focuses on developing high-definition 3D simulation systems that apply gamification and real-time rendering technology.

Portfolio highlights

• TradeWaltz — TradeWaltz is an information platform that maintains the integrity of electronic trade documents.
• Aurora Labs — Aurora Labs is pioneering the use of Software Intelligence to solve the challenge of automotive software development. Created using Aurora Labs' Line-Of-Code Intelligence™, the Automotive Software Intelligence (ASI) solution collects granular and actionable data from complex automotive systems, applying AI to enable software transparency andmanagement. Aurora Labs' ASI solution detects and validates changes in the software lines-of-code for OTA updates, and analyses dependencies and software behaviour to enable predictive software maintenance throughout the vehicle lifecycle. Aurora Labs provides automotive development teams unique tools to roll out new technologies and services on time and on budget.Aurora Labs, founded in 2016, has raised $34m and has been granted dozens of patents. Aurora Labs has customers around the world and is headquartered in Tel Aviv, Israel, with offices in Germany, North Macedonia, and the US.
• Electra — Electra is decarbonizing ironmaking for green steel production using intermittent renewable energy and low-grade iron ores.

Portfolio highlights

• LiLz — LiLz is an IT technology network for businesses looking to use AI and IoT to offer new services and value.
• Tech Doctor — Tech Doctor is a health monitoring service which provides analysis and insights for self care reducing the need for health care workers.
• NABLA Mobility — Solving the complexities involved in the "Operation of Fleets" of Mobility and support its evolution and decarbonization

Portfolio highlights

• Ecommit — Ecommit is a venture company that creates new environmental businesses with reuse and recycling as the main axis
• Yadokari — Yadokari provides various types of Construction & Real Estate related other services.

Portfolio highlights

• TBM — TBM is a company that develops, manufactures and sells paper and plastic alternative products made from a limestone-based material known as “LIMEX”.
• FIREBUG — FIREBUG enables comedians, actresses, models, artists, managers, and creators to develop their skills. They arrange production plans for numerous talents and create IP and advertising items based on the social networking sites of the talents. Additionally, they offer marketing solutions built around a range of talent-focused content. They offerbasic marketing assistance and advertising for businesses.
• IDN Media — IDN Media is the leading media platform company for Millennials and Gen Z in Indonesia.

Portfolio highlights

• 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.
• Neusignal Therapeutics — Neusignal Therapeutics is a medical company that develops therapeutic medicines for dementia and psychiatric illnesses.

Portfolio highlights

• enpay — enpay is a SaaS platform that offers cashless collection services.
• YESOD — YESOD is a cloud-type service for management departments
• Zehitomo — Zehitomo is an Japanese online platform that enables user to hire local service professionals, from photographers to personal trainers.

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.

Portfolio highlights

• Thermalytica — Thermalytica is engaged in research, development, and consulting services for heat insulating materials and heat shielding materials. It also offers electron beam physical vapor deposition equipment and thermal barrier coating equipment. They serve construction materials, plants, and home appliances.

Portfolio highlights

• Nehan — Nehan is a software firm that offers AI bidding information and a media outlet that delivers to local government businesses.
• FUNDiT — FUNDiT is an IT-focused M&A and business consolidation company that specializes in acquiring, managing, and scaling IT companies.
• Ageless — Ageless is a staffing agency that provides human resources-related services primarily to middle-aged and senior citizens.

Portfolio highlights

• Ayumo — Ayumo is a research and development company that provides deep learning services with medical insights and AI technology.
• 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.
• Celaid Therapeutics — Celaid Therapeutics specializes in manufacturing and sales of regenerative medicine products utilizing human hematopoietic stem cells.

Portfolio highlights

• Koloma — Koloma is revolutionizing clean energy by harnessing naturally occurring hydrogen from deep within the Earth.
• Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
• SPACECOOL — Spacecool offers zero-energy cooling materials that radiate heat to space, reducing temperatures and mitigating global warming.