Development Bank of Japan
Government fundTokyo · Pre-Seed–Growth
Investment thesis
The Development Bank of Japan (DBJ, Nihon Seisaku Toshi Ginko) is a Japanese financial institution that provides financing and investment supporting regional revitalization, sustainability, renewable energy, and infrastructure projects.
Source: firm website, verified Aug 3, 2026.
What they invest in
from 8 of 8 portfolio companiesDeep Tech ×5AI & Machine Learning ×3Hardware ×3Cleantech ×2Climate Tech ×2Enterprise Software ×2Semiconductors ×2Data & Infrastructure ×1
HQs:Japan×6United States×2
Investments · 8 tracked
founders shown can be your intro pathBy year:2025 · 12024 · 12 dated
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 PartnersMitsubishi UFJ Asset ManagementMitsui & CoSumitomo Mitsui Trust BankTEL Venture Capital, Inc.
Qolab applies advanced semiconductor fabrication and integration to build superconducting quantum hardware, addressing scaling bottlenecks such as qubit yield and component integration.
Deep TechQuantum ComputingSemiconductorsMadison, US
Alan Ho(Executive Officer, Director, Promoter)John Martinis(CTO)Robert McDermott(Director)
BoardMichael Kim(Director)
Co-investorsOctave Ventures LlcPhoenix Venture PartnersApplied VenturesWARF
Qoly Corporation develops, manufactures, and sells microsurgery-assist robots and related products, using robotics to help surgeons perform precise and safe microsurgery for functional disorders.
HealthtechMedical DevicesRoboticsTokyo, JP
Yohei Kuroda(Representative Director & President (Co-founder))Kazuhito Wakana(Director & CTO (Co-founder))Atsushi Miyamoto(Chief People Officer (Co-founder))Naoki Kobayashi(CFO)
Co-investorsFast Track InitiativeMedVenture Partners, Inc.
Space One is a Japanese company that provides small-rocket launch services for small satellites, aiming for the shortest contract-to-launch time and highest launch frequency using its own rockets and launch site.
Deep TechHardwareSpace TechKushimoto, JP
Masakazu Toyoda(代表取締役社長 (President & CEO))
Co-investorsSHIMIZUEmerald Technology Ventures Ag
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.Mitsubishi UFJ Asset ManagementSMBC Nikko SecuritiesSoftBank GroupSumitomo Mitsui Trust BankDentsu Ventures+4 more
Cellid is a fabless company developing AR glasses displays (waveguides) and spatial recognition engines for next-generation devices.
AI & Machine LearningDeep TechHardwareRoppongi, JP
Ken Shirakami(Representative Director & CEO)SATOSHI SHIRAGA(Founder)inKen Shiragami(Representative Director & CEO)
Co-investors15th RockGlobal BrainTechstarsTEL Venture Capital, Inc.FFG Venture Business PartnersIMM Investment+2 more
Commonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.
CleantechClimate TechDeep TechEnergyCambridge, US
Brandon Sorbom(Founder)Robert Mumgaard(Executive Officer, Director)inDaniel Brunner(Executive Officer)inBob Mumgaard(Founder)in
BoardMassimiliano Pieri(Director)Katie Rae(Director)in
Co-investorsAdvection Growth CapitalArmada Investment AGBay Bridge Ventures ClimateBeni Venture CapitalBrainstorm VenturesBreakthrough Energy Ventures+38 more
estie develops AI-powered software for real estate professionals to search, analyze, and manage commercial properties in Japan.
AI & Machine LearningData & InfrastructureEnterprise SoftwarePropTechTokyo, JP
Co-investorsVertex GrowthGlobal BrainGlobis Capital PartnersUTECZENRIN FUTURE PARTNERS
Portfolio news
latest coverage across their companies
Commonwealth Fusion Systems · techcrunch.com · Jul 30, 2026
Qolab · evertiq.com · Jul 21, 2026
株式会社estie · fintechobserver.com · Nov 26, 2025
Cellid · finsmes.com · Apr 16, 2025
Frequently asked questions
- What stage does Development Bank of Japan invest at?
- Development Bank of Japan invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.
- What sectors does Development Bank of Japan focus on?
- Development Bank of Japan focuses on Cleantech, Crypto & Web3, Deep Tech, Energy, Impact & Social Good, PropTech, Sector Agnostic.
- Where is Development Bank of Japan located?
- Development Bank of Japan is headquartered in Tokyo, JP.
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