# Top 10 Oil and Gas Startup Investors in Japan in June 2026

## Kyoto Capital Partners
- Type: VC Fund
- Location: Kyoto, Kyoto, Japan
- Relevant deals: 2
- Stages: Seed, Series A, Series B
- Focus: Manufacturing, Health Care, Medical

Kyoto Capital Partners is an investment company affiliated with the Bank of Kyoto.

## Chushin Venture Capital
- Type: VC Fund
- Location: Kyoto, Kyoto, Japan
- Relevant deals: 1
- Stages: Series A, Seed, Series B
- Focus: Biotechnology, Health Care, Manufacturing

Chushin Venture Capital is a venture capital fund established by Kyoto Chuo Shinkin Bank.

## Future Creation Capital
- Type: VC Fund
- Relevant deals: 1
- Stages: Seed, Series A, Series B
- Focus: Apps, Medical Device, Health Care

Mirai Sozo Capital is the venture capital arm of Mizuho Leasing Company.

## Mitsubishi UFJ Capital
- Type: VC Fund
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Series A, Series B
- Focus: Information Technology, Software, Health Care

Mitsubishi UFJ Capital is a venture capital firm focusing on life science, ICT, and high technology investments.

## Mizuho Capital
- Type: VC Fund
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Series A, Series B
- Focus: Information Technology, Software, Internet

Mizuho is the venture capital firm affiliated to Mizuho Bank, the second-largest Japanese bank in terms of assets. The firm has headquarters in Tokyo.The firm has ¥49.6 billion JPY under management, focusing on information technology and biotechnology investments. Over 600 Mizuho companies have gone public. According to Nikkei, Mizuho is thefifth-largest venture capital firm in Japan.Mizuho Capital was formed in 2002 by the merger of Fujigin Capital, Tokyo Venture Capital and IBJ Investment. Three firms were subsidiaries of Fuji Bank, Dai-Ichi Kangyo Bank and the Industrial Bank of Japan respectively.

## Yoshinori Fukushima
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Angel, Series A
- Focus: Internet, Software, Marketing

Yoshinori Fukushima - CEO @ LayerX

## Seio Nagami
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Series A, Angel
- Focus: Task Management, SaaS, Legal

Seio Nagami

## Naoki Aoyagi
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 1
- Stages: Seed, Angel, Series A
- Focus: Fashion, Internet, Software

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.

## Coral Capital
- Type: VC Fund
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Series A, Series B
- Focus: Software, Information Technology, SaaS

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

## Energy & Environment Investment
- Type: VC Fund
- Location: Higashi-shinagawa, Tokyo, Japan
- Relevant deals: 1
- Stages: Series A, Series B
- Focus: Energy, Internet of Things, Software

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.

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