Top 50 Artificial Intelligence Angel Investors in Japan (August 2026)

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

• Kaimak — Kaymak is a recruitment platform that focuses on creating a recruitment website, planning a recruitment strategy, and managing candidates.
• D-Chain — D-Chain offers services related to IT development and production in the Web3 and Web2 fields.
• Rayout — Rayout is a business consulting company that provides creative content development, recruitment videos, and web production services.

Portfolio highlights

• Grafto — Grafto operates “Mylo Magazine,” a platform dedicated to sharing and promoting trend culture, where readers can explore the latest developments in lifestyle, fashion, art, and emerging cultural movements through engaging and curated content.
• FLASH — FLASH is an entertainment and technology startup.
• OPERA TECH — OPERA Lead is a sales-focused AI web chatbot service from Opera Technology that turns websites into 24/7 "exhibit booths" for lead generation.It deploys AI sales assistants on existing sites (via simple tag embedding, no redesign needed) to engage the 99% of visitors who don't convert via inbound methods alone. Key capabilitiesinclude direct booking of meetings, guiding users to whitepapers/webinars, and targeted lead qualification for efficient deal progression.

Portfolio highlights

• MI-6 — MI-6 is a research, development, consulting, and project management for material development using IT. We will promote materials informatics in the field of material development with our technological capabilities and a wealth of project knowledge that challenge the world's most advanced technologies .
• ELESTYLE — ELESTYLE are promoting mobile payments and providing high value-added services for users to realize a cashless society.
• Luup — Luup is Japan's #1 e-scooter and e-bike sharing service provider. Luup currently operates in Tokyo, Osaka, Kyoto, and Yokohama, while planning to expand to other cities all over Japan. The service is based on a high-density port network, where anyone can rent and return to their original fleets.

Portfolio highlights

• Illusil — Illusil is a service that makes it easier for anyone to generate slide materials and reduces the amount of time needed to do it. Additionally, presentations can be automatically generated from text input by AI, and over 1,000 design templates can be used to build original slides.
• Alyaum — Aryaum supports "regional revitalization through NFT" by offering local governments all around the nation hometown tax and tourism NFT solutions.
• Driver Technologies — Driver Technologies is a cloud logistics platform provider. It provides a solution for driver matching and cargo vehicle demands.

Portfolio highlights

• Shiftus — Shiftus is a communication application that can be used in various part-time job sites such as cafes, izakayas, hotels, supermarkets
• 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
• Giver Take All — Gibber Take All is a Planning, development and management of business sharing platform

Portfolio highlights

• ookami — Ookami provides Player, a sport media application. It is a startup that creates new value of sports by harmonizing individuals and IT technology. The company offers technology solutions, with a particular focus in financial services software, application and communication software, software as a service, and online social networking services.
• Mign — Mign offers a generative AI-related SaaS solutions for the construction and real estate fields.
• CAREER BIJIN — Career bijin is a total support company.

Portfolio highlights

• Fuku — fuku specializes in software development and sales services.
• Ai-Dounyu.com — Ai-Dounyu.com is a platform that helps organizations looking to integrate AI choose their ideal AI implementation partner for free.
• OPERA TECH — OPERA Lead is a sales-focused AI web chatbot service from Opera Technology that turns websites into 24/7 "exhibit booths" for lead generation.It deploys AI sales assistants on existing sites (via simple tag embedding, no redesign needed) to engage the 99% of visitors who don't convert via inbound methods alone. Key capabilitiesinclude direct booking of meetings, guiding users to whitepapers/webinars, and targeted lead qualification for efficient deal progression.

Portfolio highlights

• ADiXi — Adixi is a tech-driven business that supports the idea that people and technology may work together. It strives to open doors by utilizing cutting-edge technology, such as artificial intelligence, to promote long-term, sustainable corporate and societal progress.
• 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.

Portfolio highlights

• AIONA — AIONA uses AI to produce high-quality products and provides everyone with access to knowledge.
• nat — Driven by the vision of "IMPACT THE SOCIETY", we are dedicated to creating innovative products that transform everyday life and work. By bringing these solutions to life and integrating them into society, we aspire to make our products and services become an indispensable part of people's daily lives.

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

• 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 is a hormone testing service intended to provide access to hormones and medical care. They allow users to self-check the physical condition for pregnancy and how hormones affect it, whether the symptoms are related to menopause, and provide personalized test results, commented on by physicians.

Portfolio highlights

• Tooon — Tooon Inc. is a technology company that deals with development and operations of business management tools .
• Ecbo cloak — Ecbo cloak is a sharing service that connects "persons who want to store luggage with shops with space to store luggage. Instead of coin lockers, you can pre-order places online online and store your luggage in the open space of stores of various types of business.
• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• Kokopelli — Kokopelli is a Fintech start-up company that develops the management support platform "SHARES" for small and medium-sized businesses and the AI ​​loan screening engine "FAI" (* 2) that enhances credit for financial institutions.

Portfolio highlights

• KAUCHE — KAUCHE is a discovery-based e-commerce model where friends and family can “discover” and purchase daily sale items together. They provide services for online retail shops. KAUCHE is committed in creating an exciting shopping experience for both customers and partners who want to sell products.
• Now Do — Now Do provides online growth revolution platform.
• KAUCHE — X Asia creates enjoyable shopping experience.

Portfolio highlights

• Jinba — Helping regulated enterprises build and ship production-level AI agents as fast as startups.
• Didit — Website: https://didit.me/ Whitepaper: https://whitepaper.didit.me/ Technical docs: https://docs.didit.me/ Didit App: https://didit.me/download Business console: https://business.didit.me How can we offer free KYC:https://didit.me/blog/how-we-are-able-to-provide-free-kyc-forever Didit vs Worldcoin: https://didit.me/blog/didit-vs-worldcoin
• Wayco — Wayco offers AI software that automates client intake and case workflows for law firms using voice and referral intelligence processing.

Portfolio highlights

• Sustainable Lab — SusLab is a data bank that uses AI technology to support SDG and ESG development goals and investments.
• SOUNDRAW — Your personal AI music generator.
• Persistent Energy Partners — Africa's Climate Venture Builder - We believe in the power of climate-positive economic development in Africa. For the last decade, we have been working hand in hand with exceptional entrepreneurs, investing both financial and human capital to build successful climate ventures on the continent. Our companies offer competitive financial returns required to drive lasting impact.

Portfolio highlights

• Mobcast Group — mobcast is a sports entertainment company that operates a mobile entertainment platform for smartphones and feature phones. It supports customers with social game and social media services. The company was founded in 2009 and is based in Tokyo, Japan. Currently, it operates as a subsidiary of mobcast Inc.
• SmartApp Japan — Smart Apps is a developer of a blockchain services application designed for smartphones. The company's application uses cryptocurrency technology to offer token issuance, initial coin offering and dApps design support, providing a launchpad for start-up blockchain-related businesses.

Portfolio highlights

• On the Trip — On The Trip is an iOS app that turns your iPhone into an GPS-enabled audio travel guide. It was launched last week and is now available on the iTunes AppStore.
• Amateras Space — Amateras Space is a startup driven by the mission to “expand the realm of human activity,” aiming to establish a next-generation spacesuit business by developing advanced, practical technologies that enable humans to work, explore, and thrive in space and other extreme environments.
• RIMM Sustainability — RIMM Sustainability provides a SaaS platform that enables companies of all sizes to optimise their sustainability management effort. It builds tools for sustainability management, reporting and optimisation.

Portfolio highlights

• Monogusa — Monoxer is a Information Technology.
• Ai-Dounyu.com — Ai-Dounyu.com is a platform that helps organizations looking to integrate AI choose their ideal AI implementation partner for free.
• OPERA TECH — OPERA Lead is a sales-focused AI web chatbot service from Opera Technology that turns websites into 24/7 "exhibit booths" for lead generation.It deploys AI sales assistants on existing sites (via simple tag embedding, no redesign needed) to engage the 99% of visitors who don't convert via inbound methods alone. Key capabilitiesinclude direct booking of meetings, guiding users to whitepapers/webinars, and targeted lead qualification for efficient deal progression.

Portfolio highlights

• TranSe — TranSe is a company that creates the future with videos through YusukeOkawa, TranSe Salon, OneSe Personal, & your school.
• Ai-Dounyu.com — Ai-Dounyu.com is a platform that helps organizations looking to integrate AI choose their ideal AI implementation partner for free.
• OPERA TECH — OPERA Lead is a sales-focused AI web chatbot service from Opera Technology that turns websites into 24/7 "exhibit booths" for lead generation.It deploys AI sales assistants on existing sites (via simple tag embedding, no redesign needed) to engage the 99% of visitors who don't convert via inbound methods alone. Key capabilitiesinclude direct booking of meetings, guiding users to whitepapers/webinars, and targeted lead qualification for efficient deal progression.

Portfolio highlights

• Mepple — Mepple is planning, developing, and operating internet services.
• For you — For you is a comprehensive Advertising agency business specializing in SNS.
• SPORTS CROWN — SPORTS CROWN engages in the development and operation of fantasy sports.

Portfolio highlights

• PoliPoli — PoliPoli is a next-generation politics co-creation platform where you can participate like a game. Politicians from all over Japan post their policies in an easy-to-understand manner, and those who sympathize can enjoy working on the "missions" necessary to realize the policies.
• Astroscale — Astroscale is one of the few companies in the world proposing to aid in the removal of orbital debris through the provision of End of Life (EOL) and Active Debris Removal (ADR) services. In addition to providing a technical solution, Astroscale is helping to define the business case for this service and are working with national space agencies,international institutions, non-profit organizations, insurance companies and satellite operators to develop norms, regulations and incentives that contribute to the responsible use of space.
• TECHFUND — TechFund is a venture capital firm specializing in incubation and seed stage investments. The company is headquartered in Tokyo, Japan.

Portfolio highlights

• Ai-Dounyu.com — Ai-Dounyu.com is a platform that helps organizations looking to integrate AI choose their ideal AI implementation partner for free.
• OPERA TECH — OPERA Lead is a sales-focused AI web chatbot service from Opera Technology that turns websites into 24/7 "exhibit booths" for lead generation.It deploys AI sales assistants on existing sites (via simple tag embedding, no redesign needed) to engage the 99% of visitors who don't convert via inbound methods alone. Key capabilitiesinclude direct booking of meetings, guiding users to whitepapers/webinars, and targeted lead qualification for efficient deal progression.

Portfolio highlights

• Illusil — Illusil is a service that makes it easier for anyone to generate slide materials and reduces the amount of time needed to do it. Additionally, presentations can be automatically generated from text input by AI, and over 1,000 design templates can be used to build original slides.

Portfolio highlights

• 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.

Portfolio highlights

• ABEJA — ABEJA develops AI business solutions utilizing deep learning.

Portfolio highlights

• Chai — Chai empowers small businesses centered on EC. It provides end-to-end e-commerce services that everyone can enjoy and continue to use in order to unlock the great potential of Japan's many small businesses.
• AGRI SMILE — AGRI SMILE is a platform that focuses on sharing agricultural technology.
• Ai-Dounyu.com — Ai-Dounyu.com is a platform that helps organizations looking to integrate AI choose their ideal AI implementation partner for free.

Portfolio highlights

• Babel — Babel is creating meaningful media for users and expanding globally.
• AppBrew — AppBrew develops LIPS, a mobile application for users to share and read real reviews on cosmetics, nail care, personal care, hair care, and other related products of different brands. The company was founded in 2016 and is based in Tokyo, Japan.
• Neural Pocket — Neural Pocket provides Smart City related services for commercial buildings and urban spaces utilizing AI enabled image recognition technology. The company focuses on business development and co-creation serve its clients. Other applications include solutions for digitalization of factories, warehouses, parking lots and retail stores.

Portfolio highlights

• Cargo — Ara Screens is a digital out of home network solution provider, DOOH smart signage operator, and the world's leading car-top and in-car advertising placement provider for Rideshare & Taxi.
• SOUNDRAW — Your personal AI music generator.
• Sound — Sound connects artists and listeners to take ownership over the culture they create together.

Portfolio highlights

• Data Viz Lab — Data Viz Lab is a platform that offers data analysis, visualization consulting, and data human resource development support.
• Infobox — Infobox is a sales data platform that includes every detail from market research to creating a list of companies and contacting decision-makers.

Portfolio highlights

• SmarTrial — 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.
• Genomelink — Genomelink is a platform where people discover more with their DNA data and help businesses build, market and do research with it. The best founders in consumer genomics with real experience in the industry for many years, including M3, Inc. ($13B valued Meditech in Japan), a founding member of the Japanese version of 23andMe, and leadbioinformatician and software engineer at a joint-venture between Illumina and Sony. Raised $4M for Seed Round from Berkeley SkyDeck, SONY, and top-tier Japanese VCs. Supported by Illumina Accelerator, Carlos Bustamante Lab at Stanford University among others.
• MinD in a Device — MinD in a Device Co., Ltd. is a university-launched venture that aims to port human consciousness to devices (machines and computers) in the medium to long term based on long-term research results on consciousness. As the first step toward realization, we will evolve and deepen the "generation model" considered to be the source ofconsciousness, and promote the development of next-generation AI and social implementation.

Portfolio highlights

• Miletos — Miletos is the provider of AI expense scrutiny SaaS services.

Portfolio highlights

• Hireroo — HireRoo is an online coding test service that checks the skills of engineers through programming tests. It provides problems that correspond to a wide range of levels, from new graduates to mid-career tech leads, engineering managers, and various occupations. They also provide coding test planning and execution services.
• Anyplace — Find furnished accommodations to rent for a month or longer. Choose apartments catered for remote work with an equipped home office and high-speed internet.
• 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.

Portfolio highlights

• LegalForce — LegalForce is an AI that reduces the workload while improving the accuracy of contract review .

Portfolio highlights

• FLIGHTS — FLIGHTS is a multidisciplinary drone services from EC, media, pilot training, consulting, insurance and localization of foreign softwares.
• Aidemy — Aidemy is a web service where you can learn AI programming online.

Portfolio highlights

• Toku — Seamless employment, built for Web3. WorkDAO is the only Web3-native employment service that provides legal employment, token payroll, and employee benefits that make a difference, globally. We're building the infrastructure to scale DAOs and Web3 organizations so you can focus on building.
• Butlr — Butlr protects people's health and well-being during the coronavirus pandemic with a low-cost thermal imaging system that captures people’s behavior in indoor and outdoor environments. Butlr’s proprietary hardware pairs with advanced AI to gain insight into people’s movements in physical space, providing actionable intelligence to assistedliving, homes, and public spaces, all while safeguarding privacy. Butlr is a spin-off from the MIT Media Lab. Butlr’s sensor network captures human dynamics through state-of-art sensory monitoring and AI, understanding users’ needs to achieve a seamless automation experience, preventing risk, and monitoring health. Responsive architecture is a vision of a future where the built environment is as customizable as a streaming music podcast, based on simple, intelligent architectural objects. The natural world is in a constant state of flux; combinations of moisture, breeze and temperature change continuously. When we are inside our buildings, however, our environment loses its dynamism, and we’re forced to constantly tweak the conditions to achieve optimal comfort. Responsive architecture uses intelligent objects to mirror the processes of the natural world, creating environments and “microclimates” that are suited to individuals or small groups based on the heat signature of their bodies. Today the team at Butlr uses small, low-cost sensors to track the motions and body heat of Each person has a biometric heat signature as unique as a fingerprint. The Butlr sensors recognize an individual’s heat signature, and can modify room temperature and lighting for ideal comfort. Unlike cameras that track and record faces, the Butlr system relies on a heat signature, which is unique, but cannot be used to trace your identity. Starting from home applications, the future vision for responsive architecture is to empower cities with networks of heat sensors that can make cities responsive, predicting and responding to vehicle flows, pedestrian density, and weather conditions on the fly. Using thermal data provides many news layers of interaction not possible with cameras.
• Kotoba Technologies — Kotoba Technologies develops and supports technology tailored to business fields and applications. It supports the implementation of language models into corporate applications by communicating closely with companies in Japanese to accurately understand the needs and actual situation of each company, and then provide optimal technical support.++

Portfolio highlights

• Mign — Mign offers a generative AI-related SaaS solutions for the construction and real estate fields.
• HiTalent — HiTalent is a tool that provides career planning services.

Portfolio highlights

• Tohakusha — Tohakusha is a creative agency that offers design, production and sale of digital content and EC websites, and content creation services.
• Ai-Dounyu.com — Ai-Dounyu.com is a platform that helps organizations looking to integrate AI choose their ideal AI implementation partner for free.
• Neighbor — Neighbor is a metaverse game developer that specializes in Fortnite.

Portfolio highlights

• Sophont — Multimodal foundation models for healthcare
• Doubleword — From research to reality
• Marimo — Marimo is an open-source reactive platform for developers working on Python.

Portfolio highlights

• Sophont — Multimodal foundation models for healthcare
• Onepot.ai — Onepot.ai offers automated synthesis of small molecules from basic building blocks using a unified, end-to-end process. It generates around fifty distinct compounds in a single workflow, eliminating the need for bespoke methods for each target. The platform employs modular couplings, deprotection, and streamlined purification steps to rapidlyassemble structurally diverse molecules. It supports chemistries that produce both sp²- and sp³-rich frameworks, enabling applications across pharmaceutical, materials, and probe development. By leveraging a catch-and-release purification protocol and iterative building-block assembly, Onepot.ai enables efficient production of complex small-molecule libraries.
• Periodic Labs — Periodic Labs develops artificial intelligence systems that simulate and predict the properties of materials using machine learning. The company applies computational models to support the discovery and design of materials used in sectors such as energy, electronics, and infrastructure. It builds tools that aim to reduce the time and costassociated with traditional research and development processes. Periodic Labs uses AI to analyze large-scale scientific data and collaborates with academic and industry partners to support material science research.

Portfolio highlights

• MI-6 — MI-6 is a research, development, consulting, and project management for material development using IT. We will promote materials informatics in the field of material development with our technological capabilities and a wealth of project knowledge that challenge the world's most advanced technologies .
• STUDIO — The easiest and quickest way to build your beautiful portfolio website, landing page or anything. No code. All creative freedom.
• STUDIO Japan — STUDIO is a development and operation of the next-generation design tool.

Portfolio highlights

• MIL — MIL is a marketing company it can be used for a wide range of video marketing such as video commerce , O2O measures , recruitment videos , and landing videos.
• Morght — Morght is an information technology service company.
• MiL Inc — Emerging products for healthcare food brands Producing food retailing and wholesale recipe development Restaurant management Catering media operation.

Portfolio highlights

• Morght — Morght is an information technology service company.
• Tagpic — Tagpic offers influencer marketing targeting services such as influencer casting, SNS branding, and talent production.
• H&H Group Japan — H&H Holdingsis a Professional Services company.

Portfolio highlights

• GoShare — Moving, hauling, and delivery help is just a tap away with GoShare's easy app. Get a truck or cargo van in less than an hour.
• Alpaca — Alpaca API allows developers and businesses to build apps, embed investing, and trade algorithms
• AlpacaJapan — Alpaca is a technology company developing financial system platforms powered by the collaboration of AI and people.

Portfolio highlights

• Flyle — Flyle provides a cloud based platform for product management helping customers to improve productivity & creativity in product development.
• Sustainable Lab — SusLab is a data bank that uses AI technology to support SDG and ESG development goals and investments.
• Paytner — Paytner 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 whereproblems such as funding, credit, sexual harassment, and power harassment are accumulated.

Portfolio highlights

• Remix — Remix is a platform combining AI and mobile gaming, designed to offer on-chain, AI-powered games.
• Proof of Play — Proof of Play helps you create high-performance, serverless apps and games that can be extended or remixed by anyone.
• Uncharted — Uncharted is a cryptocurrency-based gaming platform helps game developers and companies.

Portfolio highlights

• Anipos — Anipos is an application that allows you to easily claim pet insurance.
• Epicbase — Epicbase is an AI-based automatic voice transcription service based on voice recognition technology.

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

• Tential — With the power of AI, TENTIAL analyzes detailed purchasing behavior and attributes online and aim to deliver its customers' products based on their own information.