Sumitomo Mitsui Trust Bank
Corporate VCSeed–Growth
Also known as 三井住友信託銀行株式会社
Investment thesis
Corporate information page for Sumitomo Mitsui Trust Bank, a Japanese trust bank, covering company overview, history, governance, and sustainability activities.
Source: firm website, verified Aug 3, 2026.
What they invest in
from 9 of 10 portfolio companiesAI & Machine Learning ×5Deep Tech ×3Climate Tech ×2Consumer ×2Enterprise Software ×2AdTech ×1Advanced Manufacturing ×1Cleantech ×1
HQs:Japan×7United States×1
Investments · 10 tracked
founders shown can be your intro pathBy year:2026 · 22025 · 12023 · 25 dated
Global Vascular develops medical devices based on its BioDiamond Technology, including antithrombotic diamond (F-DLC) coatings, drug-eluting stents, and catheters for vascular and interventional treatments.
Deep TechHealthtechMedical DevicesNew MaterialsTokyo, JP
Kenta Bito(Founder & CEO)inShunto Maegawa(Founder & CTO)Emi Matsuoka(COO)
BoardTerumitsu Hasebe(Director)
Co-investorsFast Track InitiativeTokyo University of Science Innovation CapitalMitsubishi UFJ CapitalMitsui Sumitomo Insurance Capital
Preferred Networks vertically integrates computer science technologies from semiconductors and computing infrastructure to solutions and applications, developing AI/machine learning systems including the domestically-built large language model PLaMo and the MN-Core AI processor series.
AI & Machine LearningDeep TechEnterprise SoftwareSemiconductorsTokyo, JP
西川徹(Co-founder)岡野原大輔(Co-founder)
Co-investorsTBS Innovation PartnersDevelopment Bank of JapanMitsubishi UFJ Asset ManagementMitsui & CoTEL Venture Capital, Inc.
WOTA develops small-scale decentralized water recycling systems and autonomous water treatment control systems.
CleantechClimate TechHardwareImpact & Social GoodTokyo, JP
Yosuke Maeda(代表取締役 (Representative Director))
Co-investorsDEEPCORE Inc.Development Bank of JapanMitsubishi UFJ Asset ManagementSMBC Nikko SecuritiesSoftBank GroupDentsu Ventures+4 more
Skydisc, Inc. provides AI-based digital transformation support for Japan's manufacturing industry, using technology to assist management transformation and let people focus on more creative work.
Advanced ManufacturingAI & Machine LearningEnterprise SoftwareSaaSFukuoka, JP
Asato Uchimura(代表取締役 CEO)Yasushi Kido(取締役 (Founding member))Kentaro Goto(取締役 CSO)Sho Okada(取締役 CFO)Isao Furukawa(執行役員 VPoE)
Co-investorsArchetype VenturesDG Daiwa VenturesZENRIN FUTURE PARTNERSAozora Corporate InvestmentEnergy & Environment Investment
Brave makes a privacy-focused web browser built on the open-source Chromium core that blocks third-party ads and trackers by default, along with an independent search engine, a device-wide VPN, and a built-in AI assistant.
AI & Machine LearningConsumerCybersecurity
Brendan Eich(Founder & CEO)Brian Bondy(Founder & CTO)
Co-investorsAbstract VenturesCoinbase VenturesDigital Currency GroupPage One VenturesPantera CapitalPropel Venture Partners+7 more
Brave group is a Japanese holding company operating in the VTuber and IP entertainment space, structured around IP Production, IP Platform, and IP Solution businesses.
ConsumerCreator EconomyGamingMedia & EntertainmentTokyo, JP
野口 圭登 (Keito Noguchi)(代表取締役CEO (Representative Director & CEO))野口 圭登(代表取締役CEO)
Co-investorsGlobal BrainShochiku VenturesSumitomo Mitsui Trust nvestment Co. Ltd.Tokyo University of Science Innovation CapitalCool Japan FundKirin Holdings+2 more
Cluster provides go-to-market infrastructure for AI agents, giving them access to 50+ GTM data sources, LinkedIn and email sending tools, and the ability to run many subagents in parallel for outbound prospecting.
AdTechAI & Machine LearningData & InfrastructureSales TechNew York City, US
Co-investorsTechstarsMapleblock CapitalPaper VenturesSBI InvestmentSkyland Ventures
Cluster is a virtual-space platform whose users join events and live performances from smartphones, PCs and VR headsets.
Co-investorsKDDI Open Innovation FundSkyland VenturesBaseline VenturesFirst Round CapitalFreestyle CapitalGV (Google Ventures)+3 more
Kyoto Fusioneering develops fusion energy technology and related engineering solutions to enable carbon-neutral power generation and advanced chemical processes such as hydrogen production and carbon capture.
Climate TechDeep TechEnergyKyoto, JP
Taka Nagao(Founder)inShutaro Takeda, Ph.D.(Founder)in
Co-investorsCoral CapitalDBJ CapitalGlobal BrainJIC Venture Growth InvestmentsKyoto University Innovation CapitalSumitomo Mitsui Trust nvestment Co. Ltd.+2 more
Sensyn Robotics develops SENSYN CORE, a platform using AI, IoT, and robots (such as drones) to support digital transformation of business processes for social and industrial infrastructure.
AI & Machine LearningIoTRobotics
Co-investorsDRONE FUNDEmerald Technology Ventures AgGlobis Capital PartnersJapan FinanceNabtesco Technology Ventures
Portfolio news
latest coverage across their companiesKyoto Fusioneering · forbes.com · Jul 15, 2026
Brave · bravegroup.co.jp · Apr 22, 2026
Frequently asked questions
- What stage does Sumitomo Mitsui Trust Bank invest at?
- Sumitomo Mitsui Trust Bank invests at the Seed, Series A, Series B, Series C, Growth stages.
- What sectors does Sumitomo Mitsui Trust Bank focus on?
- Sumitomo Mitsui Trust Bank focuses on Crypto & Web3, Sector Agnostic.
Media · Podcasts & interviews
from their channel三井住友信託銀行ってどんな銀行??
三井住友信託銀行・三井住友トラストグループ【公式】
【5分ダイジェスト動画】『三井住友信託銀行』新CM記者発表会
三井住友信託銀行・三井住友トラストグループ【公式】
拠出枠拡大!?iDeCo・DCの法改正を教えて!【教えて!信託さん資産形成編#31】
三井住友信託銀行 公式チャンネル
住み替え前に必見!年代別の住み替え理由と注意すべき3つのポイント【教えて!信託さん資産形成編#30】
三井住友信託銀行 公式チャンネル
【簡単解説】住み替えの2つの進め方!【教えて!信託さん資産形成編#29】
三井住友信託銀行 公式チャンネル
【独自調査】お金の不安ランキングTOP5!【教えて!信託さん資産形成編#28】
三井住友信託銀行 公式チャンネル
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