Best High Tech Companies in Minato City, Japan
The 33 best High Tech companies in Minato City, Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Stockmark.
Our analysis of 1,127 High Tech companies
$222.2b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best High Tech companies in Minato City
| # | Company | Disclosed funding | Last round | Stage | Founder | Employees | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Stockmark Developer of AI solutions for text data analysis and utilization | $59M | 24 mo ago | Series D | Kosuke Arima Co-Founder Cto | 54 | WordPressApple iCloud MailGoogle Workspace+29 | — | — |
| 2 | Photosynth Provider of cloud-based access control systems | $53M | 63 mo ago | Public | Kawase Kodai CEO | 176 | WordPressMySQLPHP+12 | — | — |
| 3 | ABEJA Provider of digital platforms, AI solutions, and DX support services | $46M | 94 mo ago | Public | Yousuke Okada Founder & CEO | 81 | Apple iCloud MailGoogle WorkspaceNode.js+28 | 9 patents AI-driven workflow automation and machine learning infrastructure for data processing | — |
| 4 | POCKETALK Provider of AI-powered translation devices and simultaneous interpretation solutions | $39M | 24 mo ago | Seed | Noriyuki Matsuda Founder & CEO | — | Shogun Page BuilderCart FunctionalityShopify+34 | 8 patents AI-powered real-time speech translation, multilingual text processing, and dynamic visual generation | — |
| 5 | Cinnamon Provider of AI-powered intelligent document processing solutions | $36M | 52 mo ago | Series C | Hajime Hotta Co-Founder | 122 | WordPressMySQLPHP+20 | — | — |
| 6 | Aerial Lab Industries Developer of mobility solutions including robotics, AI, and drone technologies | $21M | 83 mo ago | Deadpooled | Shohei Komatsu CEO & CTO | 11 | — | — | — |
| 7 | Polyuse Developer and provider of 3D printing technology tailored for construction applications | $17M | 11 mo ago | Series B | Wataru Ooka Co-Founder | — | WordPressMySQLPHP+9 | 9 patents Patents concentrated in construction | — |
| 8 | TechMagic Developer of AI-based food cooking robots | $17M | 31 mo ago | Series C | Yuji Shiraki Founder & CEO | 19 | WordPressApple iCloud MailGoogle Workspace+32 | 72 patents Automated food preparation, portioning, and ingredient dispensing systems for kitchen automation | — |
| 9 | QUADRAC Payment security and authentication solutions | $16M | 75 mo ago | Series C | Masayuki Takada CEO | — | WordPressMySQLPHP+12 | 50 patents Contactless electronic ticketing, fare management, and digital signature verification systems | — |
| 10 | Arithmer Provider of AI-based chatbot development solutions | $14M | 76 mo ago | Series B | Ryuichi Inui Managing Director | 30 | Cart FunctionalityWix eCommerceWix+17 | 27 patents AI-driven industrial monitoring, data analytics, model generation, and automated picking systems. | — |
| 11 | Mebiopharm Targeted nano-particle based drug delivery for cancer treatments | $8M | 234 mo ago | Series A | Masazumi Eriguchi Co-Founder | — | — | 41 patents Innovative liposome-based pharmaceutical formulations for targeted drug delivery | — |
| 12 | SpiderAF Provider of platform protecting marketing from fraud and security risks | $8M | 60 mo ago | Series B | Satoko Ohtsuki Founder & CEO | 46 | WebflowAmazon Web ServicesGoogle Ads+30 | — | — |
| 13 | Tamecco IOT based personalization solution for retailers | $4M | 130 mo ago | Deadpooled | Koichiro Tsujino Founder & CEO | — | — | — | — |
| 14 | LiveSmart Developer of connected hubs for residential buildings | $3M | 62 mo ago | Seed | Roy Asch CEO | 18 | STUDIOFirebaseNode.js+14 | — | — |
| 15 | Nurve Provider of a cloud-based distribution platform for VR experiences | $2M | 108 mo ago | Series A | Hideki Tada CEO | 4 | — | 20 patents Advanced image display hardware and control methods for consumer electronic screens | — |
| 16 | SenSprout Provider of cloud-based soil moisture sensor systems | $1M | 97 mo ago | Series A | Kazuhiro Nishioka Co-Founder | — | WordPressMySQLPHP+15 | — | — |
| 17 | Capex Developer of personal and business chatbots for multiple applications | $1M | 62 mo ago | Seed | Shuntaro Ogame Founder | 4 | — | — | — |
| 18 | Siremo Online platform to launch NFT store | $475K | 50 mo ago | Seed | Yuuki Kanada Founder & CEO | — | — | — | — |
Top 12 High Tech companies in Minato City
#1
Series B · Minato City, Tokyo · founded 2019$17.3Mraised▾
Developer and provider of 3D printing technology tailored for construction applications. It focuses on enhancing the efficiency and sustainability of building processes through innovative printing solutions. The company operates as a manufacturer, delivering specialized 3D printing technology for construction purposes.
- Dec 2025Series B$17.3M
#2
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—
#3
Seed · Minato City, Tokyo · founded 2018$39Mraised▾
Provider of AI-powered translation devices and simultaneous interpretation solutions. It develops and distributes handheld translation devices, AI-powered translation applications, and simultaneous interpretation platforms. These products facilitate communication across different languages for travelers, businesses, educational institutions, and event organizers. The company offers solutions for various scenarios, including international travel, language learning, customer service, remote meetings, conferences, and multilingual events.
- Oct 2024Seed$2M
#4
Series C · Minato City, Tokyo · founded 2018 · 19 employees$16.8Mraised▾
TechMagic specializes in developing AI-based food cooking robots. Its offerings include AI cooking robot and AI automation robot. The robots have features such as ordering automation, payment automation, cooking automation, automated waiting, and much more.
- Mar 2024Series C$16.8M
- Oct 2019Seed—
#5
Series C · Minato City, Tokyo · founded 2012 · 122 employees$35.9Mraised▾
Provider of AI-powered intelligent document processing solutions. It specializing in the extraction of information from unstructured documents with high accuracy. The proprietary technology, Flax Scanner, enables efficient data extraction and knowledge management for various industries.
- Jun 2022Series C$3.7M
- Apr 2020Conventional Debt—
- Apr 2020Series C$12.1M
- Jan 2019Conventional Debt—
#6
Public · Minato City, Tokyo · founded 2014 · 176 employees$52.6Mraised▾
Provider of cloud-based access control systems. It develops smart access control and management solutions for residential and commercial buildings. Its chief offering is a retrofit lock that fits over the inside thumb-turn lock of the door, which engages the deadbolt, and is held in place with adhesive. Its business offering comes with compatibility for NFC-embedded cards. This version connects to the internet through a unit installed near the door, which allows sharing of keys via social media platforms like LINE, Facebook, or text/email. These locks integrate with the administration portal, which is a web service that grants users various access privileges, as well allows setting up and control locks remotely.
- Jul 2021Series C$15.8M
- Aug 2020Series C$33M
- May 2018Series A—
- Sep 2015Series A$3.8M
#7
Public · Minato City, Tokyo · founded 2012 · 81 employees$45.5Mraised▾
Provider of digital platforms, AI solutions, and DX support services. The company delivers digital platforms that transform core business processes for sustained revenue growth. It offers software for continuous and stable operation of DX processes. The business also provides retail analytics services based on customer behavior data. Additionally, it supports business implementation of large language models and AI ethics consultation.
- Dec 2018Series C—
- Jun 2018Series C$38.5M
- Jul 2016Series B$7M
- Dec 2014Series A—
#8
Series C · Minato City, Tokyo · founded 2009$15.8Mraised▾
QUADRAC provides payment security solutions for businesses. It offers payment authentication hardware for transaction monitoring. It offers a Q-CORE server for cloud-based digital payments, traffic payments, and authentication.
- Jul 2020Series C$11.2M
- Oct 2018Series B$8.9M
- Jul 2014Series A$6.9M
#9
Deadpooled · Minato City, Tokyo · founded 2016 · 11 employees$21.1Mraised▾
Developer of mobility solutions including robotics, AI, and drone technologies. The company focuses on creating advanced systems for various applications. These systems incorporate artificial intelligence for enhanced functionality. The company aims to provide innovative approaches within the mobility sector.
- Nov 2019Series B$21.1M
- Apr 2018Series A—
- Mar 2018Seed—
#10
Series B · Minato City, Tokyo · founded 2016 · 30 employees$13.9Mraised▾
Provider of AI-based chatbot development solutions. It provides systems for optical character recognition, industrial inspection & detection, driving support, chatbots, recommendation, measurement and 3D vision robots. The products utilise NLP and deep learning solutions.
- Jun 2020Series B$4.7M
- Sep 2019Series B$9.2M
- Mar 2018Seed—
#11
Series B · Minato City, Tokyo · founded 2011 · 46 employees$7.9Mraised▾
Provider of platform protecting marketing from fraud and security risks. It offers solutions for ad fraud protection, fake lead protection, affiliate fraud protection, and website security. The platform detects fraudulent clicks, identifies risky scripts, prevents fake leads, and safeguards affiliate campaigns. It provides tools for digital marketers and website managers to improve performance and maintain control.
- Oct 2021Series B$5M
- Nov 2019Series A$2.9M
#12
Series A · Minato City, Tokyo · founded 2002$8.1Mraised▾
Mebiopharm has developed a targeted drug delivery platform for cancer treatments. The company's nanoparticle-based platform uses transferrins (Tf) as its ligands. The Tf as ligands helps in two ways to target the tumor cells, first, passive targeting by enhanced permeability and retention (EPR) affect & active targetting through Tf receptors which are overexpressed on tumors cells. The technology can deliver drugs such as chemicals, proteins, peptides, antibodies, the plasmids (nucleic acids) and siRNAs. The company's lead product, MBP- 426 is a transferrin-conjugated nanoparticle formulation of oxaliplatin. As of April 2018, MBP-426 is in Phase II trials for the indication of the gastric and gastroesophageal junction (GEJ) cancer. Also, has other formulations of Methotrexate, Docetaxel & Gemcitabine in the preclinical stages.
- Apr 2007Series A$3M
- Mar 2007Series A$5.1M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of High Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
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.