Mizuho Capital
VC Fund
Tokyo, Japan
Mizuho Capital is a VC fund in Tokyo focused on Information Technology and Software. 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.
- Total investments:
- 545
- Last investment:
- Lead investor:
- 5%
- Fund size:
- $92M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Mizuho Capital invests in
Stages Mizuho Capital invests in
Countries Mizuho Capital invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
| See all 11 contacts → | |||
Round size
- Series A
- $1.4M–$32M
- Series B
- $2.4M–$47M
- Venture - Series Unknown
- $661k–$10M
Investment Focus
Industry
- Information Technology 65 (12%)
- Software 55 (10%)
- Artificial Intelligence 50 (9%)
- Internet 39 (7%)
- Marketing 38 (7%)
Stage
- Series A 132 (24%)
- Venture - Series Unknown 124 (23%)
- Series B 84 (15%)
- Seed 71 (13%)
- Funding Round 42 (8%)
Country
- Japan 417 (77%)
- United States 8 (1%)
- Singapore 2 (0%)
- China 1 (0%)
- Brazil 1 (0%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
|
Hajime Saito
President
|
President | Total investments: 1 | Find email | |
|
Atsushi Sugao
Auditor
|
Auditor | Total investments: 0 | Find email | |
|
Hiroshi Oishi
Director
|
Director | Total investments: 0 | Find email | |
Hiroshi Yamamoto
Managing Director
|
Managing Director | Total investments: 3 | Find email | |
|
Mitsumasa Matsumoto
General Manager, Investment Department
|
General Manager, Investment Department | Total investments: 3 | Find email | |
| See all 11 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| AIONA uses AI to produce high-quality products and provides everyone with access to knowledge. | $881.4K / Seed / Sep 24, 2026 | ||
| Yoom is a consulting company that offers system development services on AI, IoT, data solutions, and cloud integration. | $4.5M / Seed / Sep 15, 2026 | ||
| Power Laser is a startup company that offers a range of power laser technologies and applications. The company develops high-power laser systems, related components, and software for advanced industrial and scientific applications. Its mission, “Power lasers open the future,” reflects its focus on next-generation photonics and precision laserinnovation for manufacturing and research sectors. | $7.5M / Series A / Sep 02, 2026 | ||
| Paytner is providing services to support freelance people's funding. The freelance population in Japan has been shown to continue to increase in many Chosa. While working styles are diversified, they are not able to respond to the development of the working environment, and they will develop their business to change the situation whereproblems such as funding, credit, sexual harassment, and power harassment are accumulated. | $14.4M / Series D / Sep 01, 2026 | ||
| elleThermo aims to implement Semiconductor-Sensitised Thermal Cells (STCs), an energy conversion technology that can generate electricity from unused waste heat above room temperature. | $5.2M / Series A / Aug 26, 2026 | ||
| bestat is a developer of platforms for 3D data creation, management, and utilization using AI and offers digital twins services. | $19M / Series A / Jul 22, 2026 | ||
| Fidra Energy is a battery energy storage firm/business that aims to aid decarbonization for electrical system. | $310.7M / Debt Financing / Jul 17, 2026 | ||
| MOZU operates a construction materials procurement platform. | $8M / Series B / Jul 09, 2026 | ||
| NEXT NEW WORLD develops and manufactures natural products with low impact on the environment. It uses sustainable Japanese silk to manufacture apparel and cosmetic products. | $1.5M / Series A / Jun 22, 2026 | ||
| Triorb is a technology company that specializes in robot mobility development with the help of software and hardware solutions. | $14.4M / Series B / Jun 01, 2026 | ||
| See all 545 investments → | |||
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FAQ
What does Mizuho Capital invest in?
Mizuho Capital invests primarily in Information Technology, Software and Artificial Intelligence startups, most often at Series A and Venture - Series Unknown stage. Most of the 545 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Mizuho Capital's check size?
Mizuho Capital typically joins rounds of $1.4M–$32M at Series A, $2.4M–$47M at Series B and $661k–$10M at Venture - Series Unknown. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Mizuho Capital participates in.
How do I contact Mizuho Capital?
Public channels for Mizuho Capital include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Mizuho Capital?
The team at Mizuho Capital includes Hajime Saito (President), Atsushi Sugao (Auditor) and Hiroshi Oishi (Director), among 11 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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