Top 20 B2B Angel Investors in Japan (October 2026)

Portfolio highlights

• Sunblaze — sunblaze is a android-based smartphone users begin to experience stability issues after one to two years of use. For example, their device may get slower or they encounter unexpected app crashes. These stability issues also lead to security vulnerabilities.SUNBLAZE OS features essential functions only, meaning it does not have any unnecessaryfunctions. This allows the system to be more stable and secure, and users are able to use it for a longer period of time.
• IVA — IVA ensures the safety of the market towards the threat of counterfeit goods.
• Spider Labs — Spider AF is an ad fraud detection tool that detects, blocks, and protects web advertisements from fraudulent clicks and conversions. Advertisers can easily detect fraudulent activity across published ads using centralized fraud management and advanced automation. Spider AF provides complete transparency in digital advertising, allowing advertisersto track ad placement, identify fraudulent behaviors, and analyze clean - fraud-free data.The company was founded in 2011 and is based in Tokyo, Japan.

Portfolio highlights

• Roominate — Playing with the W77 online game site can certainly produce crazy jackpots to riches
• Soldsie — Soldsie (formerly Centrally) is a payment system enabling merchants to monetize their Facebook page by allowing customers to purchase through comments.Customers register their payment information with Soldsie, and then comment on stores’ pages, channels and feeds to activate a charge to their account, and initiate the shipping process.Merchants use the Soldsie administrative dashboard track and manage inventory and shipping, and experience increased user comments, views and viral shares.
• Tokyo Otaku Mode — The ultimate online destination for fans of Japanese pop culture.

Portfolio highlights

• Minnano Shashoku — Minnano Shashoku is a company cafeteria service based on restaurants and provides offices with daily and weekly menus.

Portfolio highlights

• Skimlinks — Skimlinks is the leading commerce content monetization platform. Its technology automatically monetizes product links in commerce-related content
• MV.Health — MysteryVibe offers the most advanced & award winning smart sex toys for men, women & couples that elevates their sexual health and wellbeing.
• HCVC — HCVC is an early-stage Venture Capital firm backing hardtech companies worldwide. Beyond its fund, HCVC supports hardtech founders through Hardware Club, a selective global community of 500+ startups with dedicated resources, partnerships and events.

Portfolio highlights

• Farel — Run your airline on one platform. Farel unifies PSS, IBE, DCS, and B2B with a built-in AI assistant to grow direct sales and automate ops. Get a personalized demo and pricing.
• Maslo — We make companions that care about people.
• Sloika — The only contemporary photo art market. Genuine art by amazing photographers.

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

• Minnano Shashoku — Minnano Shashoku is a company cafeteria service based on restaurants and provides offices with daily and weekly menus.

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

• ReDelta — Redelta provides a technology‑enabled platform and advisory services for cross‑border mergers and acquisitions between Japan and Southeast Asia. The service operates an In‑Out marketplace that connects corporate buyers, business owners, and investors pursuing expansion or divestiture. Engagements include deal sourcing, preliminary screening,valuation viewpoints, and coordination with local professionals throughout the transaction process. Sector and country reports, market briefs, and knowledge articles support planning and investment theses. The platform centralizes mandates and opportunities and facilitates communication between counterparties to accelerate initial discussions. Consulting support also addresses partner introductions and market entry considerations linked to post‑transaction growth.
• Saola — Saola is an online Japanese language learning platform.

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

• Minnano Shashoku — Minnano Shashoku is a company cafeteria service based on restaurants and provides offices with daily and weekly menus.

Portfolio highlights

• Minnano Shashoku — Minnano Shashoku is a company cafeteria service based on restaurants and provides offices with daily and weekly menus.

Portfolio highlights

• Minnano Shashoku — Minnano Shashoku is a company cafeteria service based on restaurants and provides offices with daily and weekly menus.

Portfolio highlights

• Torihada — Torihada is a creative firm specializing in influencer marketing, creating content, and digital marketing.
• Mechano Cross — Mechano Cross is a mechanical company that offers mechanochemical organic synthesis technology for solution reactions.
• Minnano Shashoku — Minnano Shashoku is a company cafeteria service based on restaurants and provides offices with daily and weekly menus.

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!
• 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.
• Driver Technologies — Driver Technologies is a cloud logistics platform provider. It provides a solution for driver matching and cargo vehicle demands.

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

• Villio — Villio provides talent experience SaaS which helps companies with human resource development and recruitment of talented engineers.
• Back Dooor — Back Dooor is an app that provides 1on1 chatting services with favorite player of the users.
• SPeak — SPeak is an IT services firm that operates web content and matching platforms for global talents. It operates JPort Match, which is involved in direct recruiting services. It is a global career platform for budding new talents.

Portfolio highlights

• Manifest — Manifest is a product ads platform that helps retailers realize the potential of their catalogs by determining which products to promote across Facebook, Google and others. Customers have used Manifest to optimize over 14 million products in 4 billion ads and have generated over $70 million in ROI-positive revenue. Beyond retargeting,Manifest's Matching Engine helps retailers prospect for new customers as well as activate and re-engage existing customers by exposing them to products they have not yet discovered. Top retailers including Neiman Marcus, Gilt, One Kings Lane and LivingSocial use Manifest, which is backed by investment from First Round Capital, Softtech VC, Cowboy Ventures, and others.
• SocialThreader — SocialThreader increases effectiveness of digital marketing via social integration of brand and consumer voices across their ads and websiteSocialThreader helps marketers increase brand awareness, social engagement and conversions. It seamlessly aggregates all of brand’s social touch points, analyzes campaign performance linked to these touchpoints and optimizes content based on campaign goals. SocialThreader directly improves the effectiveness of Search and Display campaigns. Businesses stand to gain significant ROI on their campaigns and better measures on relevant KPIs.
• Tokyo Otaku Mode — The ultimate online destination for fans of Japanese pop culture.

Portfolio highlights

• Minnano Shashoku — Minnano Shashoku is a company cafeteria service based on restaurants and provides offices with daily and weekly menus.

Portfolio highlights

• Minnano Shashoku — Minnano Shashoku is a company cafeteria service based on restaurants and provides offices with daily and weekly menus.