Top 5 Oil and Gas Startup Investors in Japan in May 2025

Last updated: May 2025 A list of 5 angel investors and VC (Venture Capital) funds that invest in Oil and gas startups based in Japan. We rank investors based on the number of investments they made in Oil and gas companies from Japan. We update this investor list every month.

Top 5 Oil and Gas Startup Investors in Japan in May 2025

Investor	Oil and Gas Japan investments
Coral Capital	1
Naoki Aoyagi	1
Yoshinori Fukushima	1
Seio Nagami	1
UTokyo Innovation Platform	1

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Investor list

Coral Capital is a seed stage venture capital firm in Japan.

Investment focus

Software, Information Technology, SaaS
Seed, Series A, Series B
Japan, United States

Portfolio highlights

Lens — Lens ocuses on supporting corporate activities related to governance, risk management, compliance (GRC), and security.
CoLab — CoLab is a technology company that provides robotics, artificial intelligence solutions, and business consulting services.
NutmegLabs — NutmegLabs takes care of tourism and leisure by helping with online booking and digitizing the business. It was founded in 2019 and is based in San Francisco, California, United States.

Naoki Aoyagi is a Senior Vice President at GREE, Inc. and Chief Executive Officer of GREE International, Inc. He joined GREE, Inc. in March 2006 from Deutsche Bank, where he had specialized in tech and media sector IPOs and M&A advisory work. At GREE, Aoyagi oversaw the Company's partnership with KDDI and its IPO before leading thedevelopment of GREE’s global operations, a role he continues today. Aoyagi earned a bachelor's degree in policy management from Keio University in 2002.

Investment focus

Internet, Fashion, Software
Seed, Angel, Series A
Japan

Portfolio highlights

Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
Parallel — Parallel is the hangout app where you can enjoy games, videos, music, and more with friends.
Holmes — Holmesis a cloud contract system to consistently carry out the creation, conclusion and management of contracts in the cloud.

Yoshinori Fukushima - CEO @ LayerX

Investment focus

Internet, Marketing, Media and Entertainment
Seed, Angel, Series A
Japan, Singapore

Portfolio highlights

Now Do — Now Do provides online growth revolution platform.
Amptalk — Amptalk is a software development firm specializing in operating automatic transcription and analysis of online business negotiations.
PeopleX — PeopleX encourages and assists employees in their professional development.

Seio Nagami

Investment focus

Task Management, SaaS, Information Technology
Seed, Series A, Angel
Japan

Portfolio highlights

Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
Stock — Stock develops products that relieve the stress of sharing information from teams around the world.
OVERFLOW — OVERFLOW provides consulting and recruitment services.

The University of Tokyo IPC is a company responsible for expanding the innovation ecosystem of the University of Tokyo. Accelerate global innovation from the University of Tokyo through three activities: start-up support, investment business, and corporate innovation support.It was established as a wholly-owned subsidiary of the University ofTokyo in 2016 with the enforcement of the revised law of the Industrial Competitiveness Enhancement Law, which is the basis law. The investment targets of the Todai IPC are venture companies that utilize the research results and human resources of the University of Tokyo, but they also make FOF (fund of funds) investments in funds managed by some private venture capital companies. In 2019, it started a consortium-type incubation program (University of Tokyo IPC 1stRound) to support the establishment and financing of Tokyo University-related ventures.