# Daijiro Shirai

> Daijiro Shirai is a Series A investor at Fukuda Electronics Corporation backing Fashion. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Fukuda Electronics Corporation](https://shizune.co/investors/profile/fukuda-electronics-corporation)
- Location: Tokyo, Japan
- Total investments: 1
- Last investment: May 2023
- Lead investor: 100%
- Last updated: Aug 2026

Daijiro Shirai is a Series A investor at Fukuda Electronics Corporation in Tokyo focused on Fashion and Medical. Daijiro Shirai is the President and CEO at FUKUDA DENSHI

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Fashion | 1 | 100% |
| Medical | 1 | 100% |
| Software | 1 | 100% |
| Health Care | 1 | 100% |
| Artificial Intelligence | 1 | 100% |

6 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| AI Silk | AI Silk are innovative conductive fibers produced with a dyeing technique. By using natural silk and giving conductivity to the fiber itself, They have succeeded in producing electrodes that reduce some of the risks and challenges of conventional medical electrodes, which can cause discomfort,skin and in vivo inflammation, and measurement failuredue to sweat or other elements. Their brand, AI Silk, is a new material that has strong and diverse application potential, even beyond the health / medical field. | $2.4M | Series A | May 15, 2023 |  |

1 of 1 investments shown.

## Co-investors
- [EPSON X Investment](https://shizune.co/investors/profile/epson-x-investment) — VC Fund, 1 deal together
- [Global Brain Corporation](https://shizune.co/investors/profile/global-brain-corporation) — VC Fund, 1 deal together
- [Mizuho Capital](https://shizune.co/investors/profile/mizuho-capital) — VC Fund, 1 deal together
- [Tohoku University Venture Partners](https://shizune.co/investors/profile/tohoku-university-venture-partners) — VC Fund, 1 deal together

## About Fukuda Electronics Corporation

VC Fund · Tokyo, Japan

Fukuda Electronics Corporation is a manufacturing company that produces medical care devices and provides advanced home care treatment.

1 contacts available at Fukuda Electronics Corporation.

| Name | Title | Profile |
| --- | --- | --- |
| Daijiro Shirai | President and CEO | https://shizune.co/investors/profile/daijiro-shirai |

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## FAQ

### What does Daijiro Shirai invest in?

Daijiro Shirai invests primarily in Fashion, Medical and Software startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Daijiro Shirai last invest?

The most recent investment recorded for Daijiro Shirai closed in May 2023. Shizune tracks 1 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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