Top 50 B2B Startup Investors in Japan (August 2026)

Portfolio highlights

• Eyeota — Engage your best customers with trusted audience data | enrich insights, enhance personalization and transform audience targeting.
• Moi — Moi Corporation was founded to deliver on the promise of the Twitcasting social live streaming platform. We developed Twitcasting to enable people to stream and share live video anytime, anywhere - connecting the world in real-time. TwitCasting provides a live streaming social platform that enables real-time chat between broacasters andviewers, through apps or desktop. Users can follow their favorite broadcasters and receive notifications when new a new live stream is about to start. Broadcasters can save and publish their live streams for later viewing.In early 2014 we added "Collabo" to Twitcasting, enabling as many as 6 users to broadcast together, in a single display. Viewers can join a broadcast that is already streaming live and broadcast together. It is the first app to support multi-device broadcasting in a single stream on mobile and PC. Our user base has doubled every year, and hit 7.5 million in September, 2014. While the largest part of our base is in Asia, users in US, Brazil, Mexico and other Latin American countries are now growing rapidly. About 70% of our users are under 25 years old, & approximately 95% of broadcasters shoot on mobile. 
• Deeping Source — Real-time Video Analytics based on Data Anonymization. High-accuracy computer vision for large-scale spaces: hypermarkets, shopping malls, convention centers, hospitals, logistics warehouses, construction sites, etc.

Portfolio highlights

• Yondemy — Yondemy is an online platform for children reading books.
• Yokohama Vanilla — Yokohama Vanilla is a Company which operates Yokohama-based gift sweets brand.
• Zeal Boxing Fitness — Zeal Boxing Fitness combines power of sports with the power of technology to provide a service that allows to enjoy fitness.

Portfolio highlights

• SHIFT — Shift.com of San Francisco CA serving Oakland is one of the best pre-owned dealerships in CA. Call Sales <span class='callNowClass'>855-744-3873</span>
• Uncover Truth — UNCOVER TRUTH is an analytics company that offers data visualization services through the web and mobile.
• Diligent Robotics — We build robots like Moxi that assist hospital staff with routine activities so they can focus on caring for patients.

Portfolio highlights

• Any Style — Any Style develops a messaging app from voice actors that regularly sends messages via subscription. It also engages in the planning and production of audio content and the VTuber production business.
• Chaintope — Chaintope is specializes in blockchain technology with a focus for FinTech and non-FinTech sectors.
• Smile Robotics — Smile Robotics provides Service Robots in Japan.

Portfolio highlights

• LQUOM — QWAVE offers cryptography communication technology.
• Atom — Atom is a humanoid robot built platform. Its bipedal, dual-armed robots are designed not just as industrial tools but as collaborators that expand human capability. By combining advanced Physical AI—environmental perception, judgment, and action planning—with robust robotic hardware, Atom is creating adaptive agents capable of working acrossdiverse settings to augment or, where appropriate, replace human labor. The company positions these robots as a next step in societal evolution: a new class of machines that learn and behave in human-like ways to advance productivity, safety, and quality of life.
• Link Therapeutics — Link Therapeutics specializes in developing therapeutic methods for targeting autoantibodies and identifying pathogenic autoantibodies.

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.
• RoboTruck — RoboTruck develops autonomous driving technologies for huge trucks, as well as practical applications.
• Knowledge Work — Knowledge Work specializes in the development and sales of software for companies.

Portfolio highlights

• HEAL-lll — HEAL-lll is a multifaceted firm that merges healthcare, technology, and gamification to promote individual and organizational well-being.
• Pale Blue — Water propulsion systems for sustainable space development
• Rise — Rise is a credit-led platform that enables underserved consumers to access installment-based purchasing power.

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.
• Alxtal — Alxtal is a tech company who optimize the development, design, and manufacturing processes of the manufacturing industry with IT and AI.
• Yokohama Vanilla — Yokohama Vanilla is a Company which operates Yokohama-based gift sweets brand.

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.
• WARPSPACE — ARPSPACE is a space startup originating from the University of Tsukuba, has been launching and working on a satellite development project at the University of Tsukuba for five years until the company was established.
• Luxna Biotech — Luxana Biotech is a biotechnology firm dedicated to promoting the practical use of safe and effective nucleic acid therapies. Utilizing nucleic acid chemistry technology, the company strives to provide nucleic acid medicines to patients suffering from diseases that currently lack effective treatments.

Portfolio highlights

• Reject — Reject is an esports firm that focuses on management of its team REJECT, players, apparel business, and event management services.
• Holo-X — Holo-X provides augmented, virtual, and mixed realities services and products.
• Sisuta — Sisuta is a purpose-driven organization committed to addressing fundamental social issues by seamlessly integrating human insight with advanced technology, creating innovative solutions that empower individuals, strengthen communities, and unlock the full potential of both people and digital tools to drive sustainable social impact.

Portfolio highlights

• Noin — Noin specializes in cosmetics and delivers content that accurately captures trends like videos that solve girls worries.
• Koska — Koska is a service that automates highly accurate cost calculation without trouble in the IoT system.
• Connected Robotics — Connected Robotics is an information technology company that designs and manufactures robotic arms for enterprises. The company's product, OctoChef, provides cooking services. It caters to individual restaurants, shopping malls, stations, service areas, amusement centers, and large-scale events. The company was founded in 2014 and is basedin Koganei-shi, Japan.

Portfolio highlights

• Ababa — Ababa provides recruitment and employment solutions.
• CraftBank — CraftBank, Inc. is the start-up that operates online matching platform between constructors with having relations with 22k specialty constructors (10% coverage in the market). The company was succeeded in Management BuyOut in April 2021.
• Josh Collaboration — Josh Collaboration is a software company that provides mailing, fax transmission, and partner management services.

Portfolio highlights

• NovAccel — NovAccel operates as a deep tech company, ensure a stable supply of medical radioisotopes.
• 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.
• Sonire Therapeutics — SONIRE Therapeutics Inc. (SONIRE) is working on a next-generation high-intensity focused ultrasound (HIFU) therapy system that will employ acoustic engineering (ultrasound) technologies developed through cutting-edge academic research. SONIRE has been working on a next-generation high-intensity focused ultrasound (HIFU) treatment system as a noveltherapeutic modality with the goal of giving cancer patients and their families a new future.

Portfolio highlights

• 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.
• Carbon CryoCapture — Carbon CryoCapture specializes in the carbon dioxide separation systems aimed at creating economically viable, energy-efficient, and genuinely sustainable CO2 separation and recovery technologies. The company is dedicated to deploying cost-effective, efficient systems for CO2 capture that integrate smoothly with current infrastructures, all whileenhancing energy consumption and production. This enables clients to attain zero emissions throughout the development and application of resources.

Portfolio highlights

• Zest — ZEST is an IT firm that offers consulting and management support services to its clients. It is based in Tokyo.
• FamiOne — FamiOne is creating a society that will support the future of couples who want to receive children.
• Meetcareer — Meetcareer offers a career programme. The users can understand their strengths and make use of them. The company identifies organizational issues for clients to investigate further, as well as issues based on hidden real intentions. The services help users consult with a professional career counsellor online and offer a text programme that isconducted by email, enabling clients to solve career development problems.

Portfolio highlights

• Ukka — Ukka is a Creating the ideal form of food and agriculture.
• KAICO — KAICO is a pharmaceuticals, diagnostic drugs production company.
• Newlocal — Newlocal offers planning, development, and consulting services related to real estate, construction, and community development sectors.

Portfolio highlights

• Lingble — Jumpstart your e-commerce with Lingble: a full-service solution for companies to effortlessly sell their products globally online.
• Any — any. develops and offers knowledge sharing tool Qast.
• Vlightup — Vlightup is a technology company dedicated to enhancing security and trust in the Web3 ecosystem. Vlightup develops innovative solutions that integrate blockchain technology to create transparent and fair digital economic infrastructures. Vlightup continues to develop cutting-edge technologies that reinforce digital security, empowering users toengage in blockchain transactions.

Portfolio highlights

• Pale Blue — Water propulsion systems for sustainable space development
• ZeamiCyberSecurity — ZeamiCyberSecurity develops and provides enterprise cybersecurity software as a service. The company offers Zeami Intelligence, a browser-based security intelligence platform that serves as a next-generation foundation for managing security information. Its services focus on helping organizations understand and monitor their security posture andinternal environments. ZeamiCyberSecurity targets enterprise customers that require structured security intelligence to support internal risk management and defense operations. The company delivers its offerings as SaaS, enabling deployment and use through standard web browsers.
• Oceanic Constellations, Inc — Oceanic Constellations empowers ocean visualization with a network of autonomous surface drones and advanced marine monitoring technology.

Portfolio highlights

• MW — MW is a smart home solution company that develops smart residential physical AI, robotics, and home design services.
• InsightX — InsightX is a technology platform focused on empowering businesses by simplifying complex processes and enabling smarter, more personalized user experiences.
• Neusignal Therapeutics — Neusignal Therapeutics is a medical company that develops therapeutic medicines for dementia and psychiatric illnesses.

Portfolio highlights

• Brhino — Brhino provides planning, development, and management of web services. The company's product, Monokabu, is a site where people can buy and sell sneakers and things like stock. Brhino is headquartered in Tokyo, Japan.
• LEAN BODY — Lean Body is an online platform for fitness videos.
• Stacked — Stacked is a new membership platform where fans get the most out of their support for creators.

Portfolio highlights

• Fragaria — Discover innovative farming practices and high-quality, year-round fruits in India with Fragaria's advanced agricultural technology.
• SPUN — The most reliable online visa platform in Indonesia with 24/7 dedicated assistance and money-back guarantee.
• Pruv Finance — The foundational layer for institutional-grade tokenization, bridging multichain ecosystems with DeFi-ready assets.

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.
• AI Mage — AI Mage is an IT company that provides AI solutions for anime production business industries.
• Umami United — Umami United is a plant-based food brand with unique focus on Japanese food technologies and traditional ingredients to make delicious and healthy food to unite people at one table. The wide lineups are designed to be vegan-friendly, buddhist friendly, and halal friendly for all.

Portfolio highlights

• Welyco — Welyco is an information technology company.We operate smart restaurant "solto". Utilize IT to realize efficient and diverse restaurant management.
• Toranotec — TORANOTEC CORPORATION aims to create a world where investment is familiar to everyone by realizing "from consumption to investment" through the services of asset management subsidiaries , utilizing advanced technology.
• Zeal Boxing Fitness — Zeal Boxing Fitness combines power of sports with the power of technology to provide a service that allows to enjoy fitness.

Portfolio highlights

• CoA Nexus — CoA Nexus develops and operates a skillshare matching platform for human resource research and development.
• Minnano Shashoku — Minnano Shashoku is a company cafeteria service based on restaurants and provides offices with daily and weekly menus.
• Crisp — CRISP SALAD WORKS offers a focused menu of signature salads and grains made from fresh, high-quality raw ingredients, prepared using classic cooking methods on-site.

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.
• Gojo & Company — We are enabling financial inclusion for everyone by partnering with financial service providers.
• POWERNEXT — POWERNEXT provides electric power supply & demand management, rate calculation, customer management & environmental value trading services.

Portfolio highlights

• FullDepth — FullDepth is a company that creates marine drones to aid with underwater monitoring. The company's drones work in tandem with marine navigation technology, which monitors and captures aquatic life, communicates data to connected devices, and provides infiltration information that can be freely used with a cloud service, allowing customers towitness and study marine life for educational and recreational purposes.FullDepth is a company that creates marine drones to aid with underwater monitoring. The company's drones work in tandem with marine navigation technology, which monitors and captures aquatic life, communicates data to connected devices, and provides infiltration information that can be freely used with a cloud service, allowing customers to witness and study marine life for educational and recreational purposes.
• Peco Free — Peco Free is a school meal pre-order service that is selected using a smartphone.
• Smart Craft —

Portfolio highlights

• Lisse — Lisse offers legal business innovation through the use of AI.
• Monit — Monit menggabungkan manajemen kas, pembayaran bisnis, kontrol pengeluaran, dan kartu kredit korporat dalam satu pengalaman terintegrasi
• Pickleball One — Pickleball one is to become an enabler of the pickleball industry , spreading the joy of "Fun as one" to the world.

Portfolio highlights

• Plusmedi — Plusmedi is the developer of MyHospital, a medical care and management app offering personal health record (PHR) solutions. The app aims to help users by reducing the time they spend at the hospital or doctor's office. MyHospital also includes features like bill payment, medication management, and online paperwork.

Portfolio highlights

• Figurout — Figurout is a financial firm that provides information regarding investment, dividends, stock markets and mutual funds.

Portfolio highlights

• Oxxx — Oxxx is an e-commerce management agency that provides EC site management, planning, and sales of frozen home delivery infant food mogumo.
• Greenase — greenase is a manufacturer and seller of processed agricultural products.
• 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

• VETA — VETA strives to minimize friction caused by value differences in society through cutting-edge social science research.
• Tres Alchemix — Tres Alchemix is an AI-driven biotechnology company focused on accelerating drug discovery, predicting drug efficacy, and developing novel therapeutic compounds using advanced machine learning and data-driven approaches.
• Pestalozzi Technology — Pestalozzi Technology is a development and provision of educational products in the fields of physical education and club activities.

Portfolio highlights

• ByWill — ByWill creates and distributes environmental value while eventually becoming carbon neutral.
• Medigle — Medigle is a consulting firm that provides medical consulting and B2B services.

Portfolio highlights

• Newlocal — Newlocal offers planning, development, and consulting services related to real estate, construction, and community development sectors.

Portfolio highlights

• F.MED — F.MED is a manufacturing company that designs and develops robotic microsurgical devices for the healthcare industry.
• BioPhenoMA — BioPhenoMA develops an AI-powered platform for detecting ultra-trace proteins that helps accelerate new drug discovery phases.
• Spiral — Spiral is a game changer in providing autonomous drone solutions for indoor environments, most notably during non-GPS situations.

Portfolio highlights

• Mysa — Mysa is a unified finance and banking platform that automates bill payments, smart banking, AI-driven accounting, expense management, and treasury services for businesses.
• NOMU — NOMU provides the personalized drinking experience with its proprietary reusable cup drink machine.
• Mamy Eyewear — We offer high quality, stylish and affodable eyeglasses and sunglasses. Visit our branches in Nairobi and get your free eye-test.

Portfolio highlights

• ReFiBuy — The NC Tweener Fund, Powered by NC IDEA strategy is to build an index: smaller investments in a relatively large number of NC-based companies. At the current fund size, this translates to 10-15 investments a quarter, or 40-60 a year.
• Mirelo AI — Mirelo AI offers AI-driven tools that generate custom sound effects and music to match video content through upload or API integration. It enables users to produce synced audio from silent footage and refine or edit audio tracks with an intuitive online editor. The platform also provides APIs and model fine-tuning options that let other productsembed its video-to-sound capabilities directly into their workflows. Mirelo’s technology is based on proprietary AI models designed to interpret visual media and automatically generate corresponding audio elements. The company sources and processes input files to output audio that aligns with visual action and creative intent.
• Pensieve —

Portfolio highlights

• Lisse — Lisse offers legal business innovation through the use of AI.
• MW — MW is a smart home solution company that develops smart residential physical AI, robotics, and home design services.
• SAKANA Dream — Japanese fish and its cuisine are a treasure of Japan, On the other hand, the variety of fish consumed on a daily basis accounts for less than 1% of all fish living in Japanese waters. Although there are many underutilized fish that surpass the well-known fish, they are even discarded due to unstable catches and lack of name recognition. Aquaculture can provide a stable supply, however, it is not easy to keep fish in a small water cage and only a limited number of fish are delivered to the market. We, SAKANA Dream, select the most delicious fish from over 4,000 species in Japan, and make it possible to farm and produce them using the cutting edge technology. Our goal is to create the "world's most delicious fish" that no one has ever tasted before and deliver it to our customers.

Portfolio highlights

• Dioseve — Dioseve is providing novel possibilities for all life.
• Yuimedi — Yuimedi acquires, investigate, analyze medical data and provides accurate solutions.
• Free Standard —

Portfolio highlights

• Tryeting — TRYETING provides an AI platform that integrates various types of software. One of the strengths of the company is materials informatics, a field that applies the techniques of informatics, such as AI and big data, to materials. This approach can significantly speed the development of new materials.
• HelloWorld — EdTech, International Exchange between Schools
• Japan Culture and Technology — Japan Culture and Technology assists artists and craftspeople in expanding their activities by providing IT support.

Portfolio highlights

• Mui Lab — Mui is an aesthetically-pleasing wooden IoT device connected to a cloud service. By accessing information through natural wood, we can rethink a new type of lifestyle.
• Cizucu — Cizucu is a stock photo community that helps creators and brands to create photos.
• Xperisus — Xperisus provides solutions to government agencies and local governments, such as support for the development of value-added experiences.

Portfolio highlights

• OPERe — OPERe is an IT company that specializes in the development of semi autonomous hospitalization guidance solutions.

Portfolio highlights

• Hitcard — Hitcard is a trendy card culture brand that uses technology to upgrade card-like consumer products.
• Stems Labs — community and platform for collaborative creativity
• MetaverseGo — MetaverseGo is a web 3.0 app that offers easy access to Play-and-Earn Games, Guilds, NFTs, and Decentralized Applications allowing users to own assets, connect with industry players, and use their earnings across multiple payment platforms.

Portfolio highlights

• Monogusa — Monoxer is a Information Technology.
• Monochrome — Monochrome is creating a home operating system in order to power the next generation of energy-producing homes and roofs. The company is based in Chuo Ward, Tokyo.
• Japan Legal System Institute — Japan Legal System Institute (JLSI), our primary value is to provide products that exceed user expectations.

Portfolio highlights

• YAGO — YAGO operates in the IT field and provides internet and software services.
• Nudge — Provider of financial planning platform designed to create a financial institution with new values and behaviors from scratch. The company's platform has been strengthening its team, developing the first service, and preparing for the necessary financial license acquisition, enabling users to secure their future financially.
• Hogetic Lab — Hogetic Lab specialize in DCaaS, AI development, and Data human resources training.

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

• Pick You — Pick You offers a marketplace that facilitates seamless purchase of items directly from popular Instagram users.
• CareLink — CareLink is an app that connects people looking for one-time part-time work in nursing and welfare.
• Snack Technologies — Snack Technologies specializes in the development and operation of “SnaTech,” an innovative business support application designed for snack bars, helping operators streamline daily management, improve customer engagement, optimize inventory and sales tracking, and enhance overall business efficiency through digital solutions tailored to the foodand hospitality industry.

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

• Kakutoku — Nitlon Inc. provides crowdsourcing management services. The company was founded by Seiya Mitsuda on February 02, and is headquartered in Beppu, Japan.
• AlarmBox — AlarmBox develops services that make use of professional knowledge of technology and corporate screening, and changes common sense of risk management of enterprise.
• NexusAdvisors — NexusAdvisors operates AvaCareer, an AI-powered recruitment platform that leverages intelligent AI agents to support both companies and job seekers by streamlining hiring processes, enhancing candidate matching, and improving recruitment efficiency.

Portfolio highlights

• Dioseve — Dioseve is providing novel possibilities for all life.
• LOOV — LOOV is a video platform that helps in creating professional and data-driven videos for salesmen and marketers to boost conversion metrics.
• RoboTruck — RoboTruck develops autonomous driving technologies for huge trucks, as well as practical applications.

Portfolio highlights

• Gatebox — It is a research laboratory beyond dimension" which is researching and developing to realize "a world where you can live with a character". Therefore, Gatebox Co., Ltd. refers to itself as "Gatebox Lab" and conducts research and development beyond dimension in the area of ​​Akihabara day and night. Dreaming that day,coming to meet beyond dimension.
• RemitAid — RemitAid is a fintech company that operates an overseas payment platform for cross-border transactions between companies.
• Bizibl Technologies — Bizibl Technologies provides SaaS services for recruitment events.