Fundraising FoxK4 Ventures
Corporate VCOsaka · Seed–Growth · 6 people tracked
Also known as 合同会社K4 Ventures
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Investment thesis
K4 Ventures is the CVC of the Kansai Electric Power Group, named after the Kurobe No. 4 (Kuroyon) hydroelectric power station and the pioneering spirit behind its construction. It follows a startup-first philosophy, prioritizing portfolio companies' long-term growth over short-term collaboration and building mid-to-long-term partnerships. Created its third investment allocation in fiscal 2024, it focuses on three themes toward a sustainable society: Zero Carbon (sustainable energy technologies and businesses), DeepTech (AI, robotics, digital twins, sensors and IoT to make services sustainable), and Regional Co-creation (supporting sustainable economic, environmental and social development in Kansai and other regions).
Source: firm website, verified Oct 1, 2026.
Team · 6 people
from the firm's websiteWhat they invest in
from 7 of 10 portfolio companiesDeep Tech ×4Energy ×3AI & Machine Learning ×2Climate Tech ×2Enterprise Software ×2Hardware ×2Advanced Manufacturing ×1AgTech ×1
HQs:Japan×6
Investments · 10 tracked
founders shown can be your intro path
Algo Artis provides technology solutions to optimize social infrastructure by combining advanced technical expertise with deep understanding of on-site constraints.
Advanced ManufacturingAI & Machine LearningDeep TechEnergyEnterprise SoftwareTokyo, JP
Kentaro Nagata(CEO)
Board永田 健太郎
Co-investorsDIMENSIONSalesforce VenturesDRONE FUNDMiyako CapitalSony Ventures CorporationUTEC
3T develops forest restoration and agroforestry projects across Africa, working with local communities to produce carbon-balanced, nature-positive outcomes.
AgTechClimate TechImpact & Social Good
Beyond Next Ventures is a venture capital firm that partners with entrepreneurs and innovators to disrupt industries and create positive global impact.
AI & Machine LearningBiotechDeep TechEnterprise SoftwareTokyo, JP
Tsuyoshi Ito(Founder CEO / Managing Partner)in
Co-investorsAozora Corporate Investment
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DG Daiwa Ventures is a venture capital firm that invests in startups across sectors such as fintech, climate tech, AI, and healthcare, including domestic lead investments.
Fintech
Energy & Environment Investments is a Japanese investment firm that backs entrepreneurs and startups.
Sector Agnostic
Energy trading platform; MGP invested in its Series A (2022) and Series B (2024) rounds.
Yuki Yabuuchiin
Co-investorsDCM VenturesMinerva Growth Partners
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)inRichard Pearson(Founder)Satoshi Konishi(Founder)Shutaro Takeda(Founder)
Co-investorsCoral CapitalDBJ CapitalGlobal BrainIn-Q-TelJERAJIC Venture Growth Investments+5 more
PowerX manufactures and sells large-scale battery energy storage systems (BESS), and also operates businesses in modular data centers, power supply, and EV charging stations.
CleantechEnergyHardwareTamano, JP
Masahiro Ito(Director, President & CEO)inToshiyuki Fujita(Corporate Executive Officer & CFO)inDeepak Raut(Engineering and Research Executive Officer & CTO)in
BoardHardy T S Kagimoto(Chairman of the Board)
Co-investorsTransLink Capital
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-investorsDevelopment Bank of JapanSHIMIZUEmerald Technology Ventures AgJR WEST INNOVATIONS
Kota Kubo(Founder)Yoshinori Abe(Founder)
Co-investorsJapan Post Capital Co. Ltd.Rakuten CapitalD4V (Design for Ventures)
Portfolio news
latest coverage across their companiesFrequently asked questions
- How many investments has K4 Ventures made?
- K4 Ventures has 10 tracked investments.
- What stage does K4 Ventures invest at?
- K4 Ventures invests at the Seed, Series A, Growth stages.
- What sectors does K4 Ventures focus on?
- K4 Ventures focuses on AI & Machine Learning, Cleantech, Climate Tech, Deep Tech, Energy, IoT, Robotics, Sector Agnostic.
- Where is K4 Ventures located?
- K4 Ventures is headquartered in Osaka, JP.
- Who does K4 Ventures co-invest with?
- K4 Ventures most often shares deals with DCM Ventures, Global Brain, In-Q-Tel, among 16 tracked co-investors.
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