Top 50 Climate Angel Investors in Japan (June 2026)

Portfolio highlights

• AceRNA Technologies — AceRNA contributes to regenerative medicine and drug discovery through the discovery of novel miRNA functions. It began operation in April 2018, with its headquarters in Kyoto in Japan.
• Epicbase — Epicbase is an AI-based automatic voice transcription service based on voice recognition technology.
• Flagellin — Flagellin is a pharmaceutical and medical industry.Development and sales of SaaS that supports sales and marketing of database and analysis services in the pharmaceutical and medical industries

Portfolio highlights

• Pyrenee — Pyrenee is a hardware startup that creates devices that protect people's lives.
• Antescofo — Antescofo is the mariage of world-class R&D and Business endeavours. Their technology is the result of 7+ years of R&D in the world’s largest laboratory dedicated to Music and Technology, IRCAM in Paris, and public experience with the most important musicians and orchestras around the world. The principle? Through Intelligent MachineListening, they recognize how humans perform music in real-time and use that information to synchronize content and provide an immersive experience! Antescofo was incorporated in July 2016 and based in Paris, France.
• Stake Technologies — Stake Technologies is a technology company that provides blockchain solutions to enterprises.

Portfolio highlights

• Firstcard — All-in-One Student Credit Builder. Build credit. Earn cashback. Grow your deposit.
• Toposware — From pioneering cryptographic research to engineering global-scale distributed systems technologies, Toposware is committed to solving the hardest problems to advance open internet standards.
• Life is Tech — Life is Tech is a developer of education platform intended for elementary and junior high school students.The company's platform organizes coding and IT camps, collaborating with local governments and running several schemes such as Tech for Local, Be Startup, Code Girls and Tech for Teachers, enabling students to improve their coding skillsand creativity

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.
• Cloudbase — Cloudbase is an information technology company that specializes in the fields of cloud services and management.
• Metaverse Creators — Metaverse Creators is a feature-rich virtual platform providing gamers with a wide range of games, creation tools, and avatar editing tools.

Portfolio highlights

• Kaimak — Kaymak is a recruitment platform that focuses on creating a recruitment website, planning a recruitment strategy, and managing candidates.
• Meetscare — Meetscare provides correct information and supports the self-awareness of all people involved in care. The company provides a wealth of information to ensure optimal care and create a mechanism for the realization. Users can make a telephone consultation and web diagnosis and search for free information using the system.Meetscare was founded on2016 and is headquartered in Arakawa, Tokyo.
• Driver Technologies — Driver Technologies is a cloud logistics platform provider. It provides a solution for driver matching and cargo vehicle demands.

Portfolio highlights

• Abentry — Abentry is engaged in the SNS business and media advertising business.
• SakeWiz — SakeWiz is an App to enjoy, buy and record sake located in Tokyo
• Luup — Luup is an Internet Company.

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• Grafto —
• Tsunagari AI — Tsunagari specializes in developing and providing AI-powered consultation services tailored for local governments, aiming to enhance administrative efficiency, support citizen engagement, and streamline public service delivery.
• OPERA TECH —

Portfolio highlights

• HarvestX — HarvestX manufactures fully automatic robots which contributes to the shortage of agricultural human resources and stable food production
• Appify Technologies — Appify Technologies, Inc.

Portfolio highlights

• MICOLY — MICOLY is a operator of a website aimed at publishing and selling creative video lessons. The company hosts lectures that are presented by the creators of all categories who are keen on sharing their techniques and philosophies in areas of nail art, Japanese calligraphy, flower arrangement, knitting and many more, as well as interacting with theirpassionate fans, enabling users to take creative lessons and start a new hobby.
• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.
• Overflow — OVERFLOW provides consulting and recruitment services.

Portfolio highlights

• AlgaleX — AlgaleX is a firm that utilizes discarded food waste to create ingredients such as plant-based proteins.

Portfolio highlights

• AgeWell Japan — Age Well Japan is a conference and festival aimed at understanding Japan's super-aged society and defining new values for the future. The purpose of the gathering is to bring together young people and the elderly to exchange ideas.

Portfolio highlights

• RABO — RABO is a Cat-Tech Company that "watches cat life with technology.
• nanoFreaks — nanoFreaks builds a rescue system on the sea, creating an environment where everyone can live with peace of mind.

Portfolio highlights

• YAMASTRO — YAMASTRO, a Tokyo-based startup focused on revolutionizing manufacturing with AI and software, develops software and AI solutions to replicate skilled craftsmanship in metal parts manufacturing, aiming for a "next-generation manufacturing platform" independent of human dependency.
• Beamforfusion — Beamforfusion specializes in the design and manufacture of advanced ion beam systems and related equipment, providing high-precision solutions for applications in scientific research, materials processing, semiconductor fabrication, and fusion technology.
• Ark Edge Space — Ark Edge Space provides design, manufacturing & operational services for micro-satellites along with software solutions and consulting.

Portfolio highlights

• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.

Portfolio highlights

• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• AlgaleX — AlgaleX is a firm that utilizes discarded food waste to create ingredients such as plant-based proteins.

Portfolio highlights

• Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
• Aidemy — Aidemy is a web service where you can learn AI programming online.
• Bizibl Technologies — Bizibl Technologies provides SaaS services for recruitment events.

Portfolio highlights

• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• ExtraBold — ExtraBold specializes in the development of 3D printers.

Portfolio highlights

• Spine Chronicle — Spine chronicle is a medical device manufacturing firm that specializes in developing orthopedic medical equipment.

Portfolio highlights

• Seiwa Holdings — Seiwa Holdings is a company that specializes in the welding of large structures. It holds a significant share in the large sign industry in the Chubu region. The company also has a subsidiary, Toei Coating, which boasts one of the largest facilities in Gifu for electric zinc plating. Seiwa Holdings is also involved in the production of road signposts and bridge fall prevention devices. The company operates in the financial services industry and has a workforce of 2 employees.

Portfolio highlights

• ZUU — ZUU is a Japan-based company that supports financial advisors with related consultancies and manages monetary websites. It also supports the asset management and asset advisor business of executives with finance and IT.
• Zuu Online — ZUU online is a Tokyo-based financial media which provides original insights on financial market news,the latest business trend and personal finance advice
• Terra Motors — Terra Motors is an electric car manufacturing company that utilizes IoT and digitally connecting EV mobility. They develop the global enterprise for global warming. SEED48 is the first electronic motorcycles that have brilliant functionality such as the highest speed(40km/h)and practicality(40km/1charge) Their products are provided at thefamous electronic retail stores, do-it-yourself stores, bicycle stores, car stores, and gas stations. They achieve a dominant share of the electronic motorcycles market.In 2011, They would mainly focus on the south east Asian market.

Portfolio highlights

• AgeWell Japan — Age Well Japan is a conference and festival aimed at understanding Japan's super-aged society and defining new values for the future. The purpose of the gathering is to bring together young people and the elderly to exchange ideas.
• Towing — Towing is an agricultural company that provides farming, manufacturing, and recycling services.

Portfolio highlights

• LivCo — LivCo is a support service company that offers HR, life support, real estate rental brokerage, and media platform solutions for foreigners.
• Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
• Givearth — Givearth app enable users to make donations just by carrying out their daily shopping and consumption activities.

Portfolio highlights

• Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.

Portfolio highlights

• Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.
• Treasure in Stomach — Treasure in Stomach is a food manufacturing company that develops vegan, gluten-free, and Muslim-friendly products and content.

Portfolio highlights

• JOYCLE — JOYCLE is a waste management company that specializes in trash recycling, disposal, and environmental consulting services.
• space data — Space Data is based on an algorithm that allows the AI to recognize geospatial data from the Earth and easily assign another Earth in VR. The company is developing an algorithm to automatically generate another "Earth" in virtual space using 3DCG technology by making the AI understand the geospatial information of the Earth by learningthe vast amount of ground observation data available from satellites. They want to create an AI that can reconstruct the "world" in virtual space by learning all kinds of data from this world, such as traffic volume, pedestrian traffic, day and night, four seasons, temperature, plant distribution, and nighttime light intensity. Its goal is to build a future in which everyone has the ability to create their own world (universe) and shape their own destiny without regard for race, gender, appearance, or environment.
• Space Aviation — Space Aviation is an aerospace company that offers air taxi services, flight training, aircraft sales, and heliport development solutions.

Portfolio highlights

• Neith — Neith is a apparel manufacturer, seller and a whoelseller of water absorbing bralette, lingerie and shorts for women.
• WARC — WARC provides hands-on support for business management departments as well as mergers and acquisition advisory services.
• Vitalogue Health — Vitalogue Health offers Canvas, a home-based hormone testing service for women.

Portfolio highlights

• Kollektion — KLKTN is a curated music, manga and art NFT platform connecting creators with fans through special experiences. The platform allows fans to access special edition digital art and behind-the-scenes moments of artists' creative process. In collaboration with top creators and artists and powered by blockchain technology, KLKTN is takingartist-fan engagement and the best of creative experiential culture into the digital world. Artworks are available as a limited supply of authenticated digital products or NFTs, for purchase via credit card, with a fixed cost per item. KLKTN's co-founders are Jeff Miyahara, Chief Creative Officer and a renowned record producer and songwriter who has produced over 260 international artists; Fabiano Soriani, Chief Technology Officer and former lead blockchain engineer for Dapper Labs; and Daisuke Iwase, Chief Executive Officer, Harvard Business School graduate, former World Economic Forum Young Global Leader, and a digital pioneer known for co-founding Lifenet, a disruptive fintech venture, which he took to IPO. Built on the Flow blockchain to achieve affordable and environmentally-sustainable minting, KLKTN leaves more for artists, fans, and the planet.
• Sustech — Sustech is a technology company that develops platforms for decarbonization support and distributed power generation services.
• Ispace Technologies — ispace is a private lunar robotic exploration company that is developing micro-robotic technology to provide a low-cost and frequent transportation service to and on the Moon, conduct lunar surface exploration to map, process and deliver resources to our customers in cislunar space.

Portfolio highlights

• Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.

Portfolio highlights

• Kids Snack Lab — Kids Snack Lab is a food manufacturing firm that produces and sells nutritional sweets for children.
• Best Beer Japan — Best Beer Japan provides a barrel tracking software for craft beer and barrel sharing. The company was founded in 2018.

Portfolio highlights

• Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.

Portfolio highlights

• Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.

Portfolio highlights

• AgeWell Japan — Age Well Japan is a conference and festival aimed at understanding Japan's super-aged society and defining new values for the future. The purpose of the gathering is to bring together young people and the elderly to exchange ideas.

Portfolio highlights

• AgeWell Japan — Age Well Japan is a conference and festival aimed at understanding Japan's super-aged society and defining new values for the future. The purpose of the gathering is to bring together young people and the elderly to exchange ideas.

Portfolio highlights

• 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.

Portfolio highlights

• Spine Chronicle — Spine chronicle is a medical device manufacturing firm that specializes in developing orthopedic medical equipment.

Portfolio highlights

• Morght — Morght is an information technology service company.
• Cocoach — Cocoach provides online education service.
• Kisui Tech — Kisui Tech is an agricultural AI robotics company that help farmers for farming.

Portfolio highlights

• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• Helpfeel — Our vision is to make saving, sharing, and exploring ideas as natural as breathing. On this journey we're humbled to be helping millions around the world from solo makers to university research labs, from gamers to pro designers, and large to small teams like ours.
• HACARUS — We make AI work, where common Big Data aproaches fail. Get explainable results, even from small data amounts. Available on the cloud or as embedded devices.

Portfolio highlights

• Jizai — Jizai is a provider of artificial intelligence technology, offering AI solutions, software-as-a-service products powered by AI, and robots that utilize AI capabilities for businesses across various industries. The company focuses on generative AI, large language models (LLMs), and robotics, offering customizable AI platforms and automation tools.It also engages in AI consulting and research collaborations.
• MemoriaPet — Memoria Pet operated by Next Paradigm 2 Co., Ltd. Creates full-color 3D-printed pet figurines from a single uploaded photo. Uses AI to generate 3D models, followed by full-color 3D printing.
• Tsunagari AI — Tsunagari specializes in developing and providing AI-powered consultation services tailored for local governments, aiming to enhance administrative efficiency, support citizen engagement, and streamline public service delivery.

Portfolio highlights

• Manabie — Manabie is an Education Technology start-up company on a mission to provide a new style of online & offline merged learning around the world. We provide students with everything they need for efficient learning; high-quality learning materials, great learning environments, personal coaches and more! We believe that our new method of learning,integrating online and offline will dramatically innovate the way students learn.
• Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
• Media Aid — Media Aid is an advertising agency that provides recruitment, marketing, web creation, and SNS management services

Portfolio highlights

• Synflux — Synflux is a fashion lab comprising of fashion designers, software engineers & architects focused on fashion industry.
• AGRI SMILE — AGRI SMILE is a platform that focuses on sharing agricultural technology.
• 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

• GPx — GPx is a biotech company that revolutionizes remote chronic disease management with bloodless blood tests. It is dedicated to transforming the standard of care of cardiorenal diseases and enabling patients to better understand their condition, much like the continuous glucose monitor has transformed diabetes care.The company was founded in 2020and is based in Boston, Massachusetts.
• Epistra — Epistra accelerates research and development in life sciences.
• Activaid — Activaid owns and operates a social data platform for patients with inflammatory bowel disease. It allows patients to support and exchange information within the patient community with the same disease; provide information necessary for new drug development and matching to clinical trials that suits them; and improve medical treatment. YasuakiHasebe founded Activaid in 2018. It has its headquarters in Tokyo in Japan.

Portfolio highlights

• Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
• Parallel — Parallel is the hangout app where you can enjoy games, videos, music, and more with friends.
• Holmes — Holmesis a cloud contract system to consistently carry out the creation, conclusion and management of contracts in the cloud.

Portfolio highlights

• Zeigo — Zeigo by Schneider Electric provides sustainability software for efficient carbon reduction and supply chain decarbonization, aiming for a carbon-free future.
• RootWave — RootWave is an electronics company that develops tools that kill weeds it enables farmers to control weeds on their farm. Its technology is an alternative substitute for herbicides and other weed control chemicals. The company was founded in 2012 and headquartered in Warwickshire, United Kingdom.
• CoCooking — CoCooking uses food and cooking to create ample opportunity for dialogue and thought, fostering creativity, diversity, and well-being of individuals and communities.