Best Artificial Intelligence Companies in Tokyo, Japan
The 110 best Artificial Intelligence companies in Tokyo, Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Sakana.
Our analysis of 151 Artificial Intelligence companies
$81.0b in tracked funding; 96% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Artificial Intelligence companies in Tokyo
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Sakana 🦄 Provider of AI research laboratory services | $344M | 2 mo ago | Series B | — | Alex Yu Co-Founder & COO | VarnishGitHub Pagescore-js+6 | — | 2 job openings · 2 launchs |
| 2 | Preferred Infrastructure 🦄 Developer of AI infrastructure, foundation models, and product solutions | $125M | 13 mo ago | Series D | 205 | Daisuke Okanohara Co-Founder | WordPressMySQLPHP+19 | — | — |
| 3 | AI Medical Service AI-powered endoscopic software to detect early-stage gastrointestinal cancers | $122M | 49 mo ago | Series C | 40 | 智裕 多田 CEO and Representative Director | Apple iCloud MailGoogle WorkspacePHP+25 | 38 patents AI-powered analysis and assistance for endoscopic and diagnostic medical imaging | — |
| 4 | ThinkCyte Developer of cell sorting and single cell profiling platforms | $83M | 21 mo ago | Series C | 33 | Ryoichi Horisaki Co-Founder | WordPressMySQLPHP+28 | 95 patents Advanced flow cytometry and AI-driven cellular sample analysis technologies. | 3 launchs |
| 5 | LayerX Provider of AI, SaaS, and Fintech digital solutions and services | $59M | 9 mo ago | Series B | 107 | — | WordPressApple iCloud MailGoogle Workspace+19 | — | 2 job openings · 1 launch |
| 6 | Stockmark Developer of AI solutions for text data analysis and utilization | $59M | 20 mo ago | Series D | 54 | Kosuke Arima Co-Founder Cto | WordPressApple iCloud MailGoogle Workspace+29 | — | — |
| 7 | Metaps App Monetization Platform using AI & Big Data | $52M | 136 mo ago | Public | 199 | — | WordPressApple iCloud MailGoogle Workspace+28 | 3 patents Ad serving and distribution platforms for targeted online advertising. | — |
| 8 | LeapMind Provider of deep learning and compression solution | $46M | 80 mo ago | Series C | 46 | — | — | 43 patents Hardware-accelerated neural network inference and training for edge AI image processing | — |
| 9 | ABEJA Provider of digital platforms, AI solutions, and DX support services | $46M | 90 mo ago | Public | 81 | Yousuke Okada Founder & CEO | Apple iCloud MailGoogle WorkspaceNode.js+28 | 9 patents Patents concentrated in computing, sensing & instrumentation | — |
| 10 | Midokura Open source edge platform providing network virtualization solution | $45M | 120 mo ago | Acquired | 80 | — | WordPressMySQLPHP+27 | — | 1 partnership |
| 11 | Cinnamon Provider of AI-powered intelligent document processing solutions | $36M | 47 mo ago | Series C | 122 | Hajime Hotta Co-Founder | WordPressMySQLPHP+20 | — | — |
| 12 | Cogent Developer of artificial intelligence solutions for data extraction and document processing | $36M | 32 mo ago | Series D | 47 | Eric Whiteway Founder & CEO | WordPressMySQLPHP+26 | — | 1 launch |
| 13 | Turing Generative AI-based automated driving | $29M | 7 mo ago | Series A | — | Shunsuke Aoki Co-Founder | WordPressMySQLPHP+16 | — | — |
| 14 | EdgeCortix Developer of energy-efficient AI processors, accelerators, modules, cards, and systems | $28M | 2 mo ago | Series B | 37 | Sakya Dasgupta Founder & CEO | HubSpot CMS HubHubSpotcore-js+16 | 5 patents Hardware acceleration for AI/ML and communications: low‑precision MAC, LDPC decoding, streaming pipelines | — |
| 15 | Autify Provider of AI-powered platform for software testing lifecycle automation | $26M | 24 mo ago | Series B | 67 | Sam Yamashita Co-Founder | WebflowSalesforceThree.js+31 | 7 patents Automated software testing and test‑automation platform for web and mobile applications | — |
| 16 | Fairy Devices Enterprise solutions for remote working and assistance for industrial field workers | $25M | 36 mo ago | Series B | 16 | — | Node.jsNext.jsReact+14 | 80 patents Real-time session management and image processing for networked communication devices | 1 award |
| 17 | Fronteo Provider of AI solutions for legal, life science, and business | $22M | 114 mo ago | Public | 297 | — | WordPressApple iCloud MailMicrosoft 365+35 | 117 patents Computational biology platforms for pathway analysis, target search, and similarity indexing | — |
| 18 | Fast Label Provider of an AI-based annotation platform | $22M | 14 mo ago | Series B | 13 | — | STUDIOApple iCloud MailGoogle Workspace+16 | — | — |
| 19 | OPEN8 Developer of cloud software for automated video production and distribution | $21M | 28 mo ago | Series D | 104 | Yuko Takamatsu CEO | WordPressApple iCloud MailGoogle Workspace+19 | 7 patents Server-side multimedia content creation, processing, editing, and recommendation systems | — |
| 20 | Ubitus Provider of cloud gaming, metaverse streaming, and artificial intelligence solutions | $17M | 15 mo ago | Series D | 117 | — | WordPressMySQLPHP+15 | 12 patents Patents concentrated in computing, sensing & instrumentation | — |
| 21 | Kotoba Technologies Platform that provides translation and speech-to-text solutions | $12M | 11 mo ago | Seed | — | Noriyuki Kojima CO-Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+15 | — | 3 job openings · 2 partnerships |
| 22 | Molcure Provider of AI-based platform for drug discovery and design | $12M | 58 mo ago | Series C | 33 | Yutaro Kyono Co-Founder & CTO | — | 10 patents Protein‑binding assay technologies and bubble‑generation systems for drug delivery | — |
| 23 | Notta AI-powered transcription and meeting notetaker platform | $10M | 6 mo ago | Series B | 7 | James Jason Founder & CEO | SentryUnbounceApple Sign-in+34 | — | — |
| 24 | EDGEMATRIX Developer of edge AI-based video surveillance solutions for smart cities | $9M | 81 mo ago | Series A | 14 | — | NginxAmazon Web Servicescore-js+8 | — | 1 job opening |
| 25 | Vegetalia Provider of agricultural IoT solutions and plant disease diagnostic services | $8M | 105 mo ago | Series B | 4 | — | VideoJSGSAPAmazon Web Services+7 | — | — |
| 26 | CoeFont AI voice platform that provides voice modulation for training voices | $7M | 12 mo ago | Series A | — | Shogo Hayakawa Founder & CEO | SentryNode.jsApple Sign-in+21 | — | — |
| 27 | Aww Developer of virtual human technologies, AI solutions, and virtual fashion brands | $6M | 48 mo ago | Seed | 21 | — | WordPressMySQLPHP+11 | — | 2 launchs |
| 28 | Cacco Remittance fraud detection, settlement consulting and statistical analysis | $5M | 120 mo ago | Public | 49 | Hiroyuki Iwai Founder & CEO | WordPressMySQLPHP+24 | — | — |
| 29 | SOUNDRAW Provider of AI enabled music creation software | $5M | 27 mo ago | Series A | — | Daigo Kusunoki CEO | SentryRubyElement UI+26 | — | 1 launch |
| 30 | Citadel AI Software products and services to test, and monitor the quality and reliability of AI systems | $5M | 35 mo ago | Series A | — | Kenny Song Co-Founder | WordPressMySQLPHP+20 | 6 patents AI-driven data processing and machine learning inference acceleration hardware/software | — |
| 31 | PGV Provider of wearable brainwave measurement technology and AI-powered brainwave analysis | $4M | 57 mo ago | Series A | 49 | Osamu Oshirasawa CEO & President | HubSpot CMS HubHubSpotcore-js+10 | 2 patents Neurocognitive therapeutic compositions and sensory evaluation systems for itch/pain assessment | — |
| 32 | First Accounting Provider of AI solutions automating and streamlining accounting processes and workflows | $3M | 53 mo ago | Public | 65 | — | WordPressMySQLPHP+29 | — | — |
| 33 | Ecumenopolis Developer of general-purpose conversational AI agent | $3M | 15 mo ago | Seed | — | Keita Miyamura Co-Founder | — | — | — |
| 34 | Studio Ousia Platform to improve customer targeting and recommendation using natural language processing | $3M | 112 mo ago | Series B | 9 | — | — | — | — |
| 35 | Poetics Provider of solutions to create conversational AI with algorithms and machine learning | $3M | 20 mo ago | Series A | 15 | Hazumu Yamazaki Co-Founder & Co-CEO | WebflowApple iCloud MailGoogle Workspace+24 | — | — |
| 36 | empath Provides emotion analysis platform | $3M | 94 mo ago | Seed | — | Takaaki Shimoji CEO | — | — | — |
| 37 | MENOU Provider of an AI-based solution for automated visual inspection | $2M | 53 mo ago | Series A | 13 | — | STUDIOFirebaseNode.js+15 | — | — |
| 38 | Ovomind Provider of a wearable device to manage neurological disorders | $2M | 44 mo ago | Seed | 2 | Yann Frachi Founder | Cart FunctionalityWooCommerceWordPress+29 | 17 patents Affective computing with electrodermal sensors for emotion detection and game experience prediction | — |
| 39 | Impute AI-based app providing personalized therapy for students with autism | $1M | 53 mo ago | Series A | 17 | — | — | 4 patents AI-powered autism therapy and diagnostic assistance devices for personalized treatment. | — |
| 40 | Interactive Solutions Content management solution for sales floor interaction | $1M | 139 mo ago | Seed | 50 | Kiyoshi Sekine CEO & President | Apple iCloud MailAmazon Web ServicesCloudflare+8 | 148 patents Real-time presentation and meeting collaboration software with keyword-driven slide control | — |
| 41 | GAZAI Platform offering AI-powered tools to analyze, generate, and automate insights from visual and multimedia… | $697K | 21 mo ago | Seed | — | Takuya Kanda Co-Founder | STUDIOApple iCloud MailGoogle Workspace+11 | — | — |
| 42 | VAAK Cloud-based theft prevention solutions for offline retailers | $450K | 98 mo ago | Seed | 30 | Ryo Tanaka Founder & CEO | — | — | — |
| 43 | VisionAI Developer of AI solutions for retail automation and operational efficiency | $334K | 18 mo ago | Seed | — | Yoshinobu Hirakawa Founder & CEO | WordPressMySQLPHP+10 | — | — |
Top 12 Artificial Intelligence companies in Tokyo
#1
Sakana 🦄Series B · Tokyo, Tokyo · founded 2023$344Mraised▾
Sakana AI is a Tokyo-based R&D company founded by former Google AI engineers, David Ha and Llion Jones. Inspired by nature, Sakana AI aims to design collective artificial intelligence models.
- Mar 2026Series B—
- Feb 2026Series B—
- Jan 2026Series B—
- Nov 2025Series B$135M
#2
Series B · Chuo, Tokyo · founded 2019 · 37 employees$28Mraised▾
Developer of energy-efficient AI processors, accelerators, modules, cards, and systems. The company offers a software platform facilitating AI inference across heterogeneous systems. Its technology includes a reconfigurable, highly-parallelized architecture. The company's products handle vision tasks and large language models in low-power environments.
- Apr 2026Series B—
- Nov 2025Series B$110M
- Aug 2025Series B—
- Jun 2025Grant (prize money)$21M
#3
Series A · Shinagawa, Tokyo · founded 2021$28.7Mraised▾
Generative AI-based automated driving. The platforms technology provides end cars perform driving operations to end driving instructions directly from camera images. It leverages sensors or precision maps to provide instructions.
- Nov 2025Conventional Debt$35.6M
- Nov 2025Series A$63.2M
- Dec 2024Conventional Debt$1.3M
- Dec 2024Seed$5.2M
#4
Series D · Tokyo, Tokyo · founded 2014 · 205 employees$124.9Mraised▾
Developer of AI infrastructure, foundation models, and product solutions. The company develops AI semiconductors, computing infrastructure, generative AI models, and AI product solutions. It researches and develops new technologies, applying them across industries. The company provides AI products and solutions for various sectors.
- Apr 2025Conventional Debt—
- Apr 2025Series D$35.1M
- Dec 2024Conventional Debt—
- Dec 2024Series D$120.8M
#5
Series B · Chuo City, Tokyo · founded 2018 · 107 employees$59Mraised▾
Provider of AI, SaaS, and Fintech digital solutions and services. The company researches advanced AI and data technologies to develop related products. It offers solutions for digital transformation and financial technology. The company aims to digitize economic activities and create user-friendly products.
- Sep 2025Series B$100M
- Jun 2023Series A$19.2M
- Feb 2023Series A—
- Feb 2020Series A$27.3M
#6
Series B · Tokyo, Tokyo · founded 2020 · 7 employees$10Mraised▾
AI-powered transcription and meeting notetaker platform. The platform transcribes audio and video recordings, face-to-face meetings, and presentation demos in real-time. It offers transcription, speaker identification, and integration with video conferencing platforms.
- Dec 2025Series B$15M
- May 2025Series A$6.8M
- Nov 2022Series A$10M
#7
Series C · Bunkyo, Tokyo · founded 2016 · 33 employees$83.2Mraised▾
Developer of cell sorting and single cell profiling platforms. The business provides tools for cell therapy, disease profiling, and drug discovery applications. The platforms combine fluorescence flow cytometry with morphological profiling and artificial intelligence. The business also offers related consumables and instrument services.
- Aug 2024Series C$14.9M
- Nov 2023Series C$24M
- Nov 2023Grant (prize money)—
- May 2021Series B$26M
#8
Series B · Shinagawa, Tokyo · founded 2020 · 13 employees$22Mraised▾
Provider of an AI-based annotation platform. It provides multiple annotation solutions that include images and videos, rectangles and segmentations, and key points. It also provides visualization, data analysis, collaboration, and extraction solutions. It has use cases for drones, robotics, self-driving cars, construction, sports, and medical applications.
- Mar 2025Conventional Debt$1.3M
- Sep 2024Series B$2.1M
- Sep 2024Series B$8.7M
- Nov 2023Series B$7.8M
#9
Seed · Chiyoda City, Tokyo · founded 2023$11.8Mraised▾
Platform that provides translation and speech-to-text solutions. It is a developer of speech AI technologies, including translation and speech-to-text. It offers end-to-end voice translation, dubbing, voice cloning, and speech generation. The company develops high-speed ASR models and provides bilingual versions with end-to-end bidirectional voice-to-text translation.
- Jun 2025Seed$11.8M
#10
Series D · Minato City, Tokyo · founded 2016 · 54 employees$58.8Mraised▾
Developer of AI solutions for text data analysis and utilization. The company provides tools for transforming organizational text data into actionable insights. These solutions support decision-making and aim to enhance business processes. The company offers services including AI implementation and customized AI agent development.
- Oct 2024Series D$30.1M
- Aug 2022Seed—
- Mar 2021Seed—
#11
Series D · Tokyo, Tokyo · founded 2007 · 117 employees$17Mraised▾
Provider of cloud gaming, metaverse streaming, and artificial intelligence solutions. The company offers GPU virtualization technology and a cloud streaming platform. It converts titles to cloud versions for customized cloud gaming platforms. The company provides support for AI applications, including deployment of large language models and training of drawing models.
- Feb 2025Series D—
- Mar 2024Series D—
- Mar 2021Series C—
- May 2013Series B$15M
#12
Series A · Minato, Tokyo · founded 2020$7Mraised▾
AI voice platform that provides voice modulation for training voices. It is an AI speech synthesis platform that allows individual users to record their speech libraries. It generates natural-sounding voices using AI technology, and users can add inflection, adjust pitch, and adjust volume.
- 2025Series A$7M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Artificial Intelligence coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Artificial Intelligence in Tokyo is moving
A read on the academic research around Artificial Intelligence in Tokyo — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 60 papers.
The University of Tokyo and peers lead Tokyo's AI research, optimistically advancing multimodal machine learning and genomics applications, with breakthroughs dominating and minimal concern.
- The University of Tokyo36
- Tokyo Metropolitan University7
- Tokyo Institute of Technology5
- Institute of Science Tokyo5
- University of Tokyo Hospital2
- Representation (politics)1→3
- Pattern recognition (psychology)2
- Similarity (geometry)2
- Transformer2
- Compressed sensing1
- Iterative reconstruction1
- Animacy1
- Reliability (semiconductor)1
- Applied psychology1
- Robot1
- Robotics1
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.