Top 30 Publishing Startup Investors in Japan (July 2026)

Portfolio highlights

• 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.
• LUC — LUC is a provider of the AI ​​x experience analysis platform "TERUS," .
• Tohakusha — Tohakusha is a creative agency that offers design, production and sale of digital content and EC websites, and content creation services.

Portfolio highlights

• Naorai — Naorai is a food and beverage firm that manufactures wine, beer, spirits, and non-alcoholic beverages.
• Dioseve — Dioseve is providing novel possibilities for all life.
• Flosfia — FLOSFIA is a spin-off from a research of Kyoto University, specializing in film-formation by mist chemical vapor deposition (CVD). Making use of physical properties of gallium oxide (Ga2O3), FLOSFIA has devoted to development of low-loss power devices.

Portfolio highlights

• Triorb — Triorb is a technology company that specializes in robot mobility development with the help of software and hardware solutions.
• FullDepth — FullDepth is a drone development company.
• 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

• BitBiome — BitBiome is a microbiome analysis company that aims to discover and understand disease-linked microorganisms. Its, single-cell whole-genome analysis platform specifically targets microbes and can be used on uncultured, raw samples, providing unprecedented strain-level quantitative and functional insights.THe company was founded in 2018 and isbased in Japan.
• TopoLogic — TopoLogic designs and manufactures heat flow sensors, thermoelectric conversion devices, and topological and novel spintronics materials.
• Global Equipment Services — As a strategic partner to developers of multi-sector products, Averna provides innovative automated testing tool and quality assurance solutions.

Portfolio highlights

• iiba — Iiba is a geospatial platform that specializes in providing location information related to child-rearing.
• Nagaku — Nagaku is a web magazine that publishes about culture along with web development, PR, marketing, and consulting services.
• PartnerSuccess — PartnerSuccess develops and provides SaaS tools that automate the collaboration between manufacturers and distributors.

Portfolio highlights

• KAMOMEYA — Kamomeya is an island and live because of inconvenience in transportation and transportation.
• Setsuro Tech — Seturotech Co., Ltd. is a biotechnology venture company established on February 22, 2017 by Tatsuya Takemoto (PI: Principal Investigator) of the University of Tokushima as a venture from Tokushima University. In 2015, Takemoto and Masakazu Hashimoto (Osaka University) developed a simple and highly efficient method for producing genetically modified(genome-edited) mice using CRISPR / Cas9, and filed a patent application for the technology. The technology is called fertilized egg electroporation (GEEP method), a technology that introduces molecules required for genome editing by CRISPR into fertilized eggs at high throughput by the power of electricity (electroporation). Using this technology, Seturotech will start from the production and sale of genetically modified mice, and will become a fundamental company providing all genetically modified animals, anticipating the future use of genetically modified animals in industry.

Portfolio highlights

• CLAS — Class is a connection between people, the value of money, time and things.
• CAMELOVE — Cameloveis a Camera equipment rental subscription service.

Portfolio highlights

• Hagino — Hagino is a recruitment company that provides paid employment services for the hotel and lodging industries.
• SYN-ROBOTICS —
• Treasure in Stomach — Treasure in Stomach is a food manufacturing company that develops vegan, gluten-free, and Muslim-friendly products and content.

Portfolio highlights

• Nagaku — Nagaku is a web magazine that publishes about culture along with web development, PR, marketing, and consulting services.

Portfolio highlights

• Nagaku — Nagaku is a web magazine that publishes about culture along with web development, PR, marketing, and consulting services.

Portfolio highlights

• WAKA —
• Rehabilitation 3.0 — Rehabilitation 3.0 focuses on a preventive medical system that provides AI assessment and tracking on health, exercise, mood, and wellness.
• Movus Technologies — Movus Technologies Indonesia is automotive company that provides car ownership rental services.

Portfolio highlights

• CI Partners — CI Partners mission is to "eliminate the word 'disability' from this country," and with the message "Everyone is a star."
• Better Place — Better place vision is to create a world in which kind people can continue to be kind, as well as a society in which people can work in their own way without worrying about money.
• Rehabilitation 3.0 — Rehabilitation 3.0 focuses on a preventive medical system that provides AI assessment and tracking on health, exercise, mood, and wellness.

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

• Trifa — Trifa is a telecommunications service provider that provides eSIM internet access when traveling internationally.
• Mjolnir Spaceworks — Mjolnir Spaceworks desings and manufactures state-of-the-art novel space rockets with efficient engines as well as other space equipments.
• Monozukuri Business Succession Holdings (JMS) — Monozukuri Business Succession Holdings is a specialized corporate investment subsidiary. The platform modernizes mid-sized manufacturing firms facing generational leadership transitions. Strategic institutional banking partnerships protect public shareholder equity from dilution. After acquisition, the firm installs professional management andautomated factory systems. All operational yields consolidate into the parent organization to drive long-term growth.

Portfolio highlights

• Atto — Atto operates in the healthcare and preventive medicine field as a technology venture. Its main business is the development, manufacturing, and sale of health inspection equipment. The core product is a capillary blood flow observation device called Kekkan Bijin. This device allows users to observe capillary blood flow simply by placing a finger onit, without any blood sampling.
• FUNDiT — FUNDiT is an IT-focused M&A and business consolidation company that specializes in acquiring, managing, and scaling IT companies.
• Novius Company — Novius, Inc. is a Japan-based medical technology startup developing advanced glass-free 3D endoscopic imaging solutions. Its flagship platform, N-Vision3D, enables real-time 2D-to-3D conversion of endoscopic and microscopic images using proprietary AI-powered depth estimation. By enhancing depth perception without requiring specialized 3Dendoscopes, Novius improves surgical accuracy, supports medical training, and expands accessibility to next-generation imaging worldwide. Developed proprietary real-time 2D-to-3D imaging technology compatible with existing Olympus endoscopy towers and monitors.Completed initial clinical adoption with early users in Japan.Expanding global commercialization in minimally invasive surgery, cancer treatment, and medical education.

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

• ZIFISH — ZIFISH promotes digital transformation in the fishing business by leveraging AI and IoT technology. Its main focus is to develop and operate smart weighing systems and distribution platforms for fish captures.
• Digireha — Digireha is an IT company that provides a tool for rehabilitation by combining digital art and sensors.
• 12 Pharmacy — 12 Pharmacy is a pharmaceutical company that specializes in manufacturing and providing medicines and services for veterinary hospitals.

Portfolio highlights

• Nagaku — Nagaku is a web magazine that publishes about culture along with web development, PR, marketing, and consulting services.

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.

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

• Amidex — Amidex is a dental care facility that treats dental problems with contemporary tools and technology.
• KUROFUNE —
• Compass — Compass is a Solve problems in the local labor market with Consultation x Technology

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.
• YStory — YStory is a digital health firm that uses AI and medical science to improve women's health during menopause.
• Sage Haven — Sage Haven develops an AI-moderated messaging and calling app designed for children in their early years online. The app issues children a dedicated Sage Haven number and routes messaging and voice calls through its platform while allowing contacts to use services like iMessage or Google Messages. Parents create and verify accounts, approve eachcontact, and supervise conversations from their own phones with alerts, recaps, and safety insights. The service uses automated content moderation to block harmful or inappropriate messages, links, images, and videos before they are sent and to guide children toward safer communication practices. It supports Wi-Fi and cellular use on iOS devices, with tools aimed at reducing exposure to online bullying, spam, and addictive usage patterns. Sage Haven operates as a public benefit corporation balancing commercial activity with a mission to improve children’s mental health and well-being.

Portfolio highlights

• CaTe —
• FunPep — FunPep is an Industry-university collaboration bioventure company.
• Triorb — Triorb is a technology company that specializes in robot mobility development with the help of software and hardware solutions.

Portfolio highlights

• Dodai — Dodai manufactures and assembles the electric motorcycles.
• Sotas — Sotas provides services to chemical trading companies and bridges the gap between raw material producers and consumers.
• Regional Fish — Regional Fish provides seed, seedlings, aquaculture methods and fisheries services.

Portfolio highlights

• ASUENE — Asuene involves in clean power retail business, retail SaaS business, etc.
• Recompound — Recompound is a financial services startup that acts as a personal investment advisor for individuals to grow their stock market portfolios.
• Testsigma — Powerful cloud-based test automation platform that lets you automate tests for web, mobile, desktop apps, and APIs in minutes. Sign up now!

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

• TAQA — TAQA is a utilities and energy company that engages in power, water, and oil and gas operations. It is an international company listed in Abu Dhabi and operates in 11 countries across four continents.The company's interests lie in conventional and alternative power generation, water desalination, oil and gas exploration and production,pipelines, and gas storage. TAQA was founded in 2005 and operates in Canada, Ghana, India, Iraq, Morocco, the Netherlands, Oman, Saudi Arabia, the United Arab Emirates, the United Kingdom, and the United States.
• PeaceTecLab — PeaceTecLab is a CtoCsharing service, as its main business.
• Mirfa International Power & Water Company — Mirfa International Power & Water Company is a renewable energy startup that delivers power and water solutions. A combined-cycle gas turbine power plant, a modular reverse osmosis plant, and three multi-stage flash desalination units comprise the company's power and water plant. It has a gross installed power capacity of 1.7 gigatonnes(GW) and a gross water desalination capacity of 53 million imperial gallons per day (MIGD). It aims to deliver a futuristic power generating plant with a net power capacity of 1600 megawatts to address the country's power issues.

Portfolio highlights

• Menou — MENOU specializes in AI technology and sensing technology. It features a graphical image identification modeler software.
• Restore Vision — Restore Vision is a startup based in Japan aiming to develop a visual restoration gene therapy.
• Movus Technologies — Movus Technologies Indonesia is automotive company that provides car ownership rental services.

Portfolio highlights

• UUUO — UUUO is a planning, development, and operation of the UUUO (fish market) connected by smartphone and fresh fish shipment from our own shipping base UUUO Base to each consumption market.
• 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.
• POWERNEXT — POWERNEXT provides electric power supply & demand management, rate calculation, customer management & environmental value trading services.

Portfolio highlights

• Tasogare — Tasogare distributes high-quality coffee.
• The ROOM4D — The ROOM4D is a contract data analysis consulting service company.
• PeaceTecLab — PeaceTecLab is a CtoCsharing service, as its main business.