Top 5 Oil and Gas VC Funds & Investors in Japan (September 2026)
For AI agents: Short investor table (Markdown), Detailed investor list (Markdown)
| Investor | Relevant Deals | Geography | Stage | Focus | Round Size |
|---|---|---|---|---|---|
|
Kyoto Capital Partners
VC Fund
|
2 | Japan | Seed, Series A, Series B | Health Care, Manufacturing, Medical | $102k–$29M |
|
Energy & Environment Investment
VC Fund
|
2 | Japan, United States, Canada | Series A, Venture - Series Unknown, Series B | Energy, Software, Internet of Things | $915k–$96M |
|
Chushin Venture Capital
VC Fund
|
1 | Japan | Series A, Seed, Series B | Biotechnology, Health Care, Manufacturing | $955k–$28M |
|
Coral Capital
VC Fund
|
1 | Japan, United States, Denmark | Seed, Series A, Series B | Software, Information Technology, SaaS | $468k–$184M |
|
Future Creation Capital
VC Fund
|
1 | Japan | Seed, Series A, Series B | Apps, Medical Device, Health Care | $1.8M–$12M |
| Access all 65 VC funds in Japan Oil and Gas startups. | |||||
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Investor list
Kyoto Capital Partners is an investment company affiliated with the Bank of Kyoto.
Show more...Investment focus
- Industry: Health Care, Manufacturing, Medical
- Stage:Seed, Series A, Series B
- Geography: Japan
Investor stats
- Total investments: 40
- Round size: Seed $102k–$2.9M; Series A $955k–$29M; Series B $1.2M–$16M
- Lead/follow: 8% lead, 92% follow
Portfolio highlights
- Akari Hosho — Akari Hosho provides a group of trusted professionals, including lawyers and judicial scriveners. Akari Hosho provides a guarantee service.
- Kyoto Fusioneering — Kyoto Fusioneering is a research & development, design, and manufacture of parts related to fusion reactors.
- Serendip Consulting — Serendip Consulting refers to business portfolio optimization and provision of effective solutions.The Serendip Group operates not only strategic and financial consulting, but also a business company with a focus on manufacturing. Aiming for further growth of the entire group by restructuring the "business portfolio" based on the know-howof nurturing small and medium-sized businesses cultivated over 10 years since its foundation and investment experience, and "modernizing management" by dispatching professional managers You.
Energy & Environment Investment, Inc. (EEI) is Japan’s first venture capital specialized in the clean technology sector. With core members who have rich hands on experience in founding and managing venture companies, we aim to provide risk money and various strategic values to promising venture companies and businesses.
Show more...Investment focus
- Industry: Energy, Software, Internet of Things
- Stage:Series A, Venture - Series Unknown, Series B
- Geography: Japan, United States, Canada
Investor stats
- Total investments: 133
- Round size: Series A $2.2M–$14M; Series B $3.7M–$96M; Venture - Series Unknown $915k–$10M
- Lead/follow: 18% lead, 82% follow
- Last fund: May invest from a new fund soon — raised $9.1M in 2019
Portfolio highlights
- TWO — TWO is a health and wellness company that offers innovative lifestyle solutions 2foods, a line of healthy and delicious food products.
- ElleThermo — elleThermo aims to implement Semiconductor-Sensitised Thermal Cells (STCs), an energy conversion technology that can generate electricity from unused waste heat above room temperature.
- Advance Composite — Advance Composite is a manufacturing company that develops composite materials and molten metal forging-based products.
Chushin Venture Capital is a venture capital fund established by Kyoto Chuo Shinkin Bank.
Show more...Investment focus
- Industry: Biotechnology, Health Care, Manufacturing
- Stage:Series A, Seed, Series B
- Geography: Japan
Investor stats
- Total investments: 17
- Round size: Seed $1.5M–$2M; Series A $955k–$28M; Series B $1.5M–$15M
- Lead/follow: 0% lead, 100% follow
- Last fund: May invest from a new fund soon — raised $2.7M in 2018
Portfolio highlights
- Nexta — Nexta manufactures site, issues such as analog management, personalization of operations & labor shortages are becoming more serious.
- OOYOO — OOYOO Co., Ltd. is a DeepTech venture that combines international entrepreneurial spirit, and a 'Made In Japan' excellence, to bring the latest innovations in clean technology to society for a smarter, cleaner, and more mobile world.
- Toregem BioPharma — Toregem BioPharma is a startup from Kyoto University that develops a treatment for congenital adentia. Toregem BioPharma is headquartered in Kyoto, Japan.
Coral Capital is a seed stage venture capital firm in Japan.
Show more...Investment focus
- Industry: Software, Information Technology, SaaS
- Stage:Seed, Series A, Series B
- Geography: Japan, United States, Denmark
Investor stats
- Total investments: 107
- Round size: Seed $468k–$8.5M; Series A $3.2M–$41M; Series B $7.6M–$184M
- Lead/follow: 29% lead, 71% follow
- Last fund: Likely actively investing — fresh fund, raised $6M in 2026
Portfolio highlights
- Henry — Henry develops and provides a cloud-based electronic medical record and receipt system for small and medium-sized hospitals.
- Ruten — Ruten is a brain-machine interface company that specializes in reconstructive treatments for infeasible and ineffective conditions.
- Tokenz — Tokenz is a global payment platform designed to help digital content creators and businesses scale their revenue seamlessly. Supporting payment methods worldwide, Tokenz enables brands to build customizable web stores, optimize conversions, and expand direct-to-consumer sales. As a Merchant of Record (MoR), Tokenz ensures global tax compliance,fraud protection, and multi-currency transactions—allowing businesses to sell with confidence across international markets.
Mirai Sozo Capital is the venture capital arm of Mizuho Leasing Company.
Show more...Investment focus
- Industry: Apps, Medical Device, Health Care
- Stage:Seed, Series A, Series B
- Geography: Japan
Investor stats
- Total investments: 9
- Round size: Seed $1.8M–$2M; Series A $2.4M–$8.9M; Series B $11M–$12M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- CaTe — CaTe is based in Tokyo. CaTe develops and manufactures a Digital Therapeutic (DTx) for remote cardiac rehabilitation. Their invention allows heart disease patients to safely and successfully complete cardiac rehabilitation utilizing standing exercise in a confined space, such as at home, without the use of ergometers or similar instruments.
- OOYOO — OOYOO Co., Ltd. is a DeepTech venture that combines international entrepreneurial spirit, and a 'Made In Japan' excellence, to bring the latest innovations in clean technology to society for a smarter, cleaner, and more mobile world.
- KG Motors — KG Motors is an automotive firm that manufactures electric vehicles that can be moved comfortably and safely by one person.
Oil and Gas VC funding in Japan at a glance
Stats across 26 deals from 65 investors.
Access all 65 VC funds in Japan Oil and Gas startups.
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