# Hiroaki Ohta

> Hiroaki Ohta is a seed investor at Blue Laser Fusion backing Quantum Computing. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Blue Laser Fusion](https://shizune.co/investors/profile/blue-laser-fusion)
- Total investments: 4
- Last investment: Nov 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/hiroaki-ohta-b7463433/
- Facebook: https://www.facebook.com/hiroaki.ohta.77

Hiroaki Ohta is a seed investor at Blue Laser Fusion focused on Quantum Computing and Information Technology. Hiroaki Ohta is the Chief Technology Officer, Co-Founder and Board Member of Blue Laser Fusion. He previously worked at ACSL Ltd. as a Representative Director, President, CEO, Chiarman, Board Member. Hiroaki Ohta attended Kyoto University.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $4.5M–$5M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Quantum Computing | 2 | 50% |
| Information Technology | 2 | 50% |
| Energy | 1 | 25% |
| Big Data | 1 | 25% |
| Automotive | 1 | 25% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 50% |
| Series A | 1 | 25% |
| Convertible Note | 1 | 25% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 3 | 75% |
| Kenya | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Power Diamond Systems | Power Diamond Systems is a research and development firm that focuses on diamond semiconductor devices. | $4.5M | Seed | Nov 21, 2024 |  |
| Quanmatic | Quanmatic is an information and technology company that provides algorithms development and solutions to bridge quantum technologies. | $3.7M | Series A | Sep 30, 2024 |  |
| Nanofiber Quantum Technologies | Nanofiber Quantum Technologies is a research and manufacturing company that develops hardware for quantum communications. Its technologies provide quantum computers using nanofibers and advanced engineering, specializing in quantum cryptography, quantum communications, and other technologies related to quantum science for social implementation. | $8.5M | Convertible Note | Sep 15, 2023 |  |
| Peach Cars | Peach Cars building a solution for those looking to buy and sell vehicles whole information on vehicles and hassle-free transactions. | $5M | Seed | Jun 15, 2023 |  |

4 of 4 investments shown.

## Co-investors
- [UTEC - The University of Tokyo Edge Capital Partners](https://shizune.co/investors/profile/utec) — VC Fund, 2 deals together
- [JAFCO Group](https://shizune.co/investors/profile/jafco-group) — VC Fund, 1 deal together
- [Japan Post Bank Asset Management](https://shizune.co/investors/profile/japan-post-investment) — VC Fund, 1 deal together
- [JIC Venture Growth Investments](https://shizune.co/investors/profile/jic-venture-growth-investments) — VC Fund, 1 deal together
- [Keio Innovation Initiative](https://shizune.co/investors/profile/keio-innovations-initiative) — VC Fund, 1 deal together
- [Mizuho Capital](https://shizune.co/investors/profile/mizuho-capital) — VC Fund, 1 deal together

## About Blue Laser Fusion

VC Fund · California, United States

Blue Laser Fusion is a commercial fusion company. Blue Laser Fusion is a laser startup to commercialize laser fusion by inventing its own laser and fusion reactor.

3 contacts available at Blue Laser Fusion.

| Name | Title | Profile |
| --- | --- | --- |
| Hiroaki Ohta | Chief Technology Officer, Co-Founder and Board Member | https://shizune.co/investors/profile/hiroaki-ohta |
| Richard T. Ogawa | Co-Founder, General Counsel and Board Member | https://shizune.co/investors/profile/richard-t-ogawa |
| Shuji Nakamura | Founder | https://shizune.co/investors/profile/shuji-nakamura |

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## FAQ

### What does Hiroaki Ohta invest in?

Hiroaki Ohta invests primarily in Quantum Computing, Information Technology and Energy startups, most often at Seed and Series A stage. Most of the 4 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Hiroaki Ohta's check size?

Hiroaki Ohta typically joins rounds of $4.5M–$5M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Hiroaki Ohta participates in.

### When did Hiroaki Ohta last invest?

The most recent investment recorded for Hiroaki Ohta closed in Nov 2024. Shizune tracks 4 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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