# Yumiko Nagatsuma

> Yumiko Nagatsuma is a seed investor at MIRAI SOUZOU backing Health Care and Medical. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [MIRAI SOUZOU](https://shizune.co/investors/profile/innovations-and-future-creation)
- Total investments: 2
- Last investment: Jan 2024
- Lead investor: 50%
- Last updated: Aug 2026

Yumiko Nagatsuma is a seed investor at MIRAI SOUZOU focused on Health Care and Medical. Yumiko Nagatsuma

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 2 | 100% |
| Medical | 1 | 50% |
| Software | 1 | 50% |
| Therapeutics | 1 | 50% |
| Biotechnology | 1 | 50% |

9 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 50% |
| Series A | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Crafton Biotechnology | Crafton Biotechnology is a biotechnology firm located in Nagoya, Aichi, Japan. The company is involved in pharmaceutical R&D, manufacturing, sales, and technology transfer. It is a privately held mRNA drug development company with a pipeline of innovative mRNA vaccines and medicines. | $679.1K | Seed | Jan 16, 2024 |  |
| Medmain | Medmain's mission is to create a world where medical services can be accessed with technology anywhere, anytime. We are tackling these challenges with our product, PidPort's, deep learning-powered pathology analysis and digital telepathology consultation platform. | $152.1M | Series A | Aug 24, 2020 |  |

2 of 2 investments shown.

## Co-investors
- [Deepcore](https://shizune.co/investors/profile/deepcore) — VC Fund, 1 deal together
- [DOGAN beta](https://shizune.co/investors/profile/dogan) — VC Fund, 1 deal together
- [Fukuoka Wajiro Hospital](https://shizune.co/investors/profile/fukuoka-wajiro-hospital) — VC Fund, 1 deal together
- [Hike Ventures](https://shizune.co/investors/profile/hike-ventures) — VC Fund, 1 deal together
- [Intercontinental Hotels Group](https://shizune.co/investors/profile/intercontinental-hotels-group) — VC Fund, 1 deal together
- [QTnet](https://shizune.co/investors/profile/qtnet) — VC Fund, 1 deal together

## About MIRAI SOUZOU

VC Fund · Tokyo, Japan

MIRAI SOUZOU operates as a venture capital firm that invests in institutional lookup and supporting projects. The Company invests in institutional research and development supporting projects, medicine, agriculture, ocean field, and other industries. Innovations and Future Creation conducts businesses in Japan.

3 contacts available at MIRAI SOUZOU.

| Name | Title | Profile |
| --- | --- | --- |
| Daisuke Kaneko | Co-Founder & Director | https://shizune.co/investors/profile/daisuke-kaneko |
| Yumiko Nagatsuma | Partner | https://shizune.co/investors/profile/yumiko-nagatsuma |
| Yuyuki Okada | President and CEO | https://shizune.co/investors/profile/yuyuki-okada |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Yumiko Nagatsuma invest in?

Yumiko Nagatsuma invests primarily in Health Care, Medical and Software startups, most often at Seed and Series A stage. Most of the 2 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Yumiko Nagatsuma last invest?

The most recent investment recorded for Yumiko Nagatsuma closed in Jan 2024. Shizune tracks 2 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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