Top 25 Energy Angel Investors in Japan (June 2026)

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.

Portfolio highlights

• POWERNEXT — POWERNEXT provides electric power supply & demand management, rate calculation, customer management & environmental value trading services.

Portfolio highlights

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

Portfolio highlights

• Umitron — Umitron is a data company for aquaculture. We support fish farmers to increase productivity through data analytics. One of the biggest challenges in aquaculture is increasing feeding cost. We optimize feed amount and timing by using fish behavior analytics and water quality data. Our goal is to "install Sustainable Aquaculture on Earth".
• nanoFreaks — nanoFreaks builds a rescue system on the sea, creating an environment where everyone can live with peace of mind.
• Bankers Holding — Bankers Holding controls the bankers group companies that provide financial services via internet.

Portfolio highlights

• Tokyo — Tokyo provides consistently-designed signage and projector installation, as well as maintenance company support. All customers need is “product selection” considering installation. This is a service that does not take time and effort!
• Aidemy — Aidemy is a web service where you can learn AI programming online.
• Girasol Energy — Girasol Energy is an IoT Platform provides innovative PLC technologies that enable wiser PV Plants.

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.

Portfolio highlights

• Favolist5 — Favolist5 is a software company that develops an abbreviated voice SNS based on web3 for personal media.
• Smartround — Smartround is a specialized finance management platform for startups and their investors. For start-ups, for entrepreneurs who are not familiar with finance, simply enter the necessary information according to the guide, prepare appropriate financing round, and prepare a function that can simulate and execute a capital increase. Support informationsharing and communication with shareholders even after the capital increase.
• AnotherBall — AnotherBall is a blockchain startup that combines entertainment and blockchain.

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.
• Atmoph — A smart digital window that opens to beautiful scenery from around the world. By simply putting it on your desk or hanging it on the wall, Atmoph Window will open up a whole new world before you.
• Cloudbase — Cloudbase is an information technology company that specializes in the fields of cloud services and management.

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

• Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
• Stock — Stock develops products that relieve the stress of sharing information from teams around the world.
• Overflow — OVERFLOW provides consulting and recruitment services.

Portfolio highlights

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

Portfolio highlights

• Morus — Morus is a university-based biotech startup developing functional food ingredients from silkworms to address global health and nutrition challenges.
• Epicbase — Epicbase is an AI-based automatic voice transcription service based on voice recognition technology.
• Somewhere — Somewhere is engaged in the travel and transportation business.

Portfolio highlights

• Kaimak — Kaymak is a recruitment platform that focuses on creating a recruitment website, planning a recruitment strategy, and managing candidates.
• Japan Energy Agency — The Japan Energy Agency strives to make the future of energy easier and freer. It finances and develops renewable energy installations.

Portfolio highlights

• THE RICH — THE RICH is a hair care brand that contains silk regenerating and repairing ingredients.
• Helical Fusion — Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas.
• One World Technology —

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

• 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.
• Amptalk — Amptalk is a software development firm specializing in operating automatic transcription and analysis of online business negotiations.
• PeopleX — PeopleX encourages and assists employees in their professional development.

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

• 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

• 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

• 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

• BeatFit — BeatFit is a fitness-tech startup based in Japan.
• PROGRIT — PROGRIT is an English-related media management company.
• Luup — Luup is an Internet Company.

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.
• Aidemy — Aidemy is a web service where you can learn AI programming online.
• Bizibl Technologies — Bizibl Technologies provides SaaS services for recruitment events.